Puls Dimension C Series User manual

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
POWER SUPPLY
3AC 380-480V Wide-range Input
2 or 3-Phase Operation Possible
Width only 62mm
Efficiency up to 92.9% Due to Synchronous Rectifier
Excellent Partial Load Efficiency
20% Output Power Reserves
Easy fuse tripping Due to High Overload Current
Input -Transient Blanking Circuit Included
Minimal Inrush Current Surge
Three Input Fuses Included
Current Sharing Feature for Parallel Use
Full Power Between -25°C and +60°C
3 Year Warranty
1/22
GENERAL DESCRIPTION
The Dimension C-Series are cost optimized power
supplies without compromising quality, reliability and
performance. The C-Series is part of the DIMENSION
power supply family. The most outstanding features of
CT10.241 are the high efficiency, electronic inrush
current limitation, active input transient filter and wide
operational temperature range. The small size is
achieved by a synchronous rectification and further
technological design details.
The CT10.241-C1 is equipped with conformal coated pc-
boards preferred for applications in harsh areas.
The C-Series includes all the essential basic functions.
The devices have a power reserve of 20% included,
which may even be used continuously at temperatures
up to +45°C. Additionally, the CT10.241 can deliver 3
times the nominal output current for 10ms which helps
to trip fuses on faulty output branches.
SHORT-FORM DATA
Output voltage DC 24V
Adjustment range 24-28V
Output current 10 – 8.6A ambient <60°C
12 – 10.3A ambient <45°C
Output power 240W ambient <60°C
288W ambient <45°C
Output ripple < 50mVpp 20Hz to 20MHz
Input voltage AC 380-480V -15%/+20%
Mains frequency 50-60Hz ±6%
AC Input current 0.7 / 0.6A at 3x400 / 480Vac
Power factor 0.53 / 0.52 at 3x400 / 480Vac
AC Inrush current typ. 4A peak
Efficiency 92.8 / 92.9% at 3x400 / 480Vac
Losses 18.6 / 18.3W at 3x400 / 480Vac
Temperature range -25°C to +70°C operational
Derating 6W/°C +60 to +70°C
Hold-up time typ. 34 / 54ms at 3x400 / 480Vac
Dimensions 62x124x117mm WxHxD
ORDER NUMBERS
Power Supply CT10.241
CT10.241-C1 With conformal coated
pc-boards
Accessory ZM1.WALL Wall mount bracket
ZM13.SIDE Side mount bracket
MARKINGS
IND. CONT. EQ.
UL 508
UL 60950-1
Marine
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone [phone] Germany

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
INDEX
Page Page
1. Intended Use .......................................................3
2. Installation Requirements...................................3
3. AC-Input...............................................................4
4. DC-Input...............................................................5
5. Input Inrush Current ...........................................5
6. DC Output............................................................6
7. Hold-up Time.......................................................7
8. Efficiency and Power Losses................................8
9. Functional Diagram.............................................9
10. Front Side and User Elements.............................9
11. Terminals and Wiring........................................10
12. Reliability...........................................................10
13. EMC....................................................................11
14. Environment......................................................12
15. Protection Features ...........................................13
16. Safety Features ..................................................13
17. Dielectric Strength ............................................13
18. Approvals...........................................................14
19. Other Fulfilled Standards ................................. 14
20. Physical Dimensions and Weight ..................... 15
21. Accessories ........................................................ 16
22. Application Notes............................................. 17
22.1. Peak Current Capability ...........................17
22.2. Back-feeding Loads ..................................17
22.3. Charging of Batteries ...............................18
22.4. Output Circuit Breakers............................18
22.5. External Input Protection.........................19
22.6. Using only 2 Legs of a 3-Phase System ....19
22.7. Inductive and Capacitive Loads................20
22.8. Parallel Use to Increase Output Power....20
22.9. Parallel Use for Redundancy ....................20
22.10. Daisy Chaining of Outputs .......................21
22.11. Series Operation .......................................21
22.12. Use in a Tightly Sealed Enclosure ............21
22.13. Mounting Orientations ............................22
The information given in this document is correct to the best of our knowledge and experience at the time of
publication. If not expressly agreed otherwise, this information does not represent a warranty in the legal sense of the
word. As the state of our knowledge and experience is constantly changing, the information in this data sheet is
subject to revision. We therefore kindly ask you to always use the latest issue of this document (available under
www.pulspower.com).
No part of this document may be reproduced or utilized in any form without our prior permission in writing.
TERMINOLOGY AND ABREVIATIONS
PE and symbol PE is the abbreviation for Protective Earth and has the same meaning as the symbol .
Earth, Ground This document uses the term “earth” which is the same as the U.S. term “ground”.
T.b.d. To be defined, value or description will follow later.
AC 400V A figure displayed with the AC or DC before the value represents a nominal voltage with
standard tolerances (usually ±15%) included.
E.g.: DC 12V describes a 12V battery disregarding whether it is full (13.7V) or flat (10V)
400Vac A figure with the unit (Vac) at the end is a momentary figure without any additional
tolerances included.
50Hz vs. 60Hz As long as not otherwise stated, AC 380V and AC 400V parameters are valid at 50Hz and AC
480V parameters are valid at 60Hz mains frequency.
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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2/22

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
1. INTENDED USE
This device is designed for installation in an enclosure and is intended for the general professional use such as in
industrial control, office, communication, and instrumentation equipment.
Do not use this power supply in equipment, where malfunction may cause severe personal injury or threaten human
life.
2. INSTALLATION REQUIREMENTS
This device may only be installed and put into operation by qualified personnel.
This device does not contain serviceable parts. The tripping of an internal fuse (if included) is caused by an internal
defect.
If damage or malfunction should occur during installation or operation, immediately turn power off and send unit to
the factory for inspection.
Mount the unit on a DIN-rail so that the output terminals are located on top and input terminal on the bottom. For
other mounting orientations see de-rating requirements in this document.
This device is designed for convection cooling and does not require an external fan. Do not obstruct airflow and do
not cover ventilation grid (e.g. cable conduits) by more than 30%!
Keep the following installation clearances: 40mm on top, 20mm on the bottom, 5mm on the left and right sides are
recommended when the device is loaded permanently with more than 50% of the rated power. Increase this clearance
to 15mm in case the adjacent device is a heat source (e.g. another power supply).
WARNING Risk of electrical shock, fire, personal injury or death.
- Do not use the power supply without proper grounding (Protective Earth). Use the terminal on the input block for
earth connection and not one of the screws on the housing.
- Turn power off before working on the device. Protect against inadvertent re-powering.
- Make sure that the wiring is correct by following all local and national codes.
- Do not modify or repair the unit.
- Do not open the unit as high voltages are present inside.
- Use caution to prevent any foreign objects from entering into the housing.
- Do not use in wet locations or in areas where moisture or condensation can be expected.
- Do not touch during power-on, and immediately after power-off. Hot surface may cause burns.
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone [phone] Germany
3/22

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
3. AC-INPUT
AC input nom. 3AC 380-480V TN, TT, IT-mains networks,
grounding of one phase is allowed except for UL508
applications
AC input range 3x 323-576Vac continuous operation
3x 576-700Vac for max. 1 second, occasional (not periodical)
3x 200-323Vac full power for 200ms, no damage between 0 and 200Vac
Allowed Voltage Phase to Earth 500Vac IEC 62103
Input frequency nom. 50–60Hz ±6%
Turn-on voltage typ. 3x 260Vac steady-state value, see Fig. 3-1
Shut-down voltage typ. 3x 185Vac steady-state value, see Fig. 3-1
3AC 400V 3AC 480V
Input current typ. 0.7A 0.6A at 24V, 10A, symmetrical phase voltage,
see Fig. 3-3
Power factor *) typ. 0.53 0.52 at 24V, 10A, see Fig. 3-4
Start-up delay typ. 90ms 90ms see Fig. 3-2
Rise time typ. 40ms 40ms 0mF, 24V, 10A, see Fig. 3-2
typ. 85ms 85ms 10mF, 24V, 10A, see Fig. 3-2
Turn-on overshoot max. 200mV 200mV see Fig. 3-2
*) The power factor is the ratio of the true (or real) power to the apparent power in an AC circuit.
Fig. 3-1 Input voltage range Fig. 3-2 Turn-on behavior, definitions
Turn-on
323V
Rated input
range
V
IN
P
OUT
185V 576V
Shut-down
260V 3x700Vac
< 1s
Start-up
delay Rise Time
Overshoot
- 5%
Output
Voltage
Input
Voltage
Fig. 3-3 Input current vs. output load at 24V Fig. 3-4 Power factor vs. output load
12A
0246810
0
0.1
0.2
0.3
0.4
0.8A
Input Current, typ.
0.5
Output Current
3x400Vac
3x480Vac
0.6
0.7
Power Factor, typ.
024681012
A
0.35
0.4
0.45
0.5
0.55
0.6
3x
400Vac
3x
480Vac
Output Current
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone [phone] Germany
4/22

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
4. DC-INPUT
Do not use the power supply with DC-input voltages.
5. INPUT INRUSH CURRENT
An active inrush limitation circuit limits the input inrush current after turn-on of the input voltage and after short
input voltage interruptions.
The charging current into EMI suppression capacitors is disregarded in the first microseconds after switch-on.
3AC 400V 3AC 480V
Inrush current max. 10Apeak 10Apeak -25°C to +70°C
typ. 4Apeak 4Apeak -25°C to +70°C
Inrush energy max. 0.5A2s 0.5A2s -25°C to +70°C
Fig. 5-1 Input inrush current, typical behavior
Output Voltage
Input Voltage
Input Current
20ms / DIV
Input: 3x 400Vac
Output: 24V, 10A
Ambient: 25°C
Upper curve: Input current 1A / DIV
Middle curve: Input voltage 500V / DIV
Lower curve: Output voltage 10V / DIV
Time basis: 20ms / DIV
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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5/22

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
6. DC OUTPUT
Output voltage nom. 24V
Adjustment range min. 24-28V guaranteed
max. 30V at clockwise end position of potentiometer
Factory setting typ. 24.1V ±0.2%, at full load, cold unit, in “single use” mode
typ. 24.1V ±0.2%, at full load, cold unit, in “parallel use” mode
typ. 25.1V at no load, cold unit, in “parallel use” mode
Line regulation max. 10mV 3x 323-576Vac
Load regulation max. 100mV in “single use” mode: static value, 0A Æ10A
typ. 1000mV in “parallel use” mode: static value, 0A Æ10A,
see Fig. 6-2
Ripple and noise voltage max. 50mVpp 20Hz to 20MHz, 50Ohm
Output capacitance typ. 6 500μF
Output current nom. 12A at 24V, ambient < 45°C, see Fig. 6-1
nom. 10A at 24V, ambient < 60°C, see Fig. 6-1
nom. 10.3A at 28V, ambient < 45°C, see Fig. 6-1
nom. 8.6A at 28V, ambient < 60°C, see Fig. 6-1
Output power nom. 288W ambient < 45°C
nom. 240W ambient < 60°C
Short-circuit current min. 19A continuous, load impedance 100mOhm, see Fig. 6-1
max. 23A continuous, load impedance 100mOhm, see Fig. 6-1
min. 28A <20ms, load impedance 100mOhm, see Fig. 6-1
max. 32A <20ms, load impedance 100mOhm, see Fig. 6-1
discharge current of output capacitors not included
Fig. 6-1 Output voltage vs. output current,
typ.
Fig. 6-2 Output voltage in “parallel use”
mode, typ.
Output Voltage (Single Use, typ.)
0
0918
4
8
12
28V
16
20
24
30
A
21123 6 15 24 27
Adjustment
Range
Output Current
Extra
current
for 20ms
Continuous
current
Factory
setting
Output Voltage (Parallel Use, typ.)
22V
048
23V
24V
25V
29V
26V
27V
28V
12A1062
Adjustment
Range
Factory
setting
Output Current
Peak current capability (up to several milliseconds)
The power supply can deliver a peak current which is higher than the specified short term current. This helps to start
current demanding loads or to safely operate subsequent circuit breakers.
The extra current is supplied by the output capacitors inside the power supply. During this event, the capacitors will be
discharged and causes a voltage dip on the output. Detailed curves can be found in chapter 22.1.
Peak current voltage dips typ. from 24V to 6V at 20A for 50ms, resistive load
typ. from 24V to 12V at 50A for 2ms, resistive load
typ. from 24V to 3V at 50A for 5ms, resistive load
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone [phone] Germany
6/22

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
7. HOLD-UP TIME
3AC 400V 3AC 480V
Hold-up Time typ. 34ms 54ms at 24V, 10A, see Fig. 7-1
typ. 68ms 108ms at 24V, 5A, see Fig. 7-1
Fig. 7-1 Hold-up time vs. input voltage Fig. 7-2 Shut-down behavior, definitions
0
20
40
60
100ms
320 360 400 440 3x480Vac
Input Voltage
Hold-up Time at 24Vdc
5A,typ.
10A,typ.
10A,min.
5A,min.
80
- 5%
Hold-up
Time
Output
Voltage
Input
Voltage
L1 L2 L3
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone [phone] Germany
7/22

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
8. EFFICIENCY AND POWER LOSSES
3AC 400V 3AC 480V
Efficiency typ. 92.8% 92.9% at 24V, 10A, 3-phase operation
typ. 92.4% 92.6% at 24V, 10A, when using only two legs of a 3-
phase system, see also chapter 22.6.
Average efficiency *) typ. 92.2% 92.0% 25% at 2.5A, 25% at 5A, 25% at 7.5A. 25% at
10A, 3-phase operation
Power losses typ. 2.3W 2.6W at 0A, 3-phase operation
typ. 18.6W 18.3W at 24V, 10A, 3-phase operation
typ. 23.5W 22.8W at 24V, 12A, 3-phase operation
*) The average efficiency is an assumption for a typical application where the power supply is loaded with 25% of the nominal load for 25%
of the time, 50% of the nominal load for another 25% of the time, 75% of the nominal load for another 25% of the time and with 100%
of the nominal load for the rest of the time.
Fig. 8-1 Efficiency vs. output current at 24V,
typ., 3-phase operation
Fig. 8-2 Losses vs. output current at 24V,
typ., 3-phase operation
Efficiency
2
90
91
92
89
93%
12A4810
Output Current
6
3x480Vac
3x400Vac
Power Losses
024 81012A
0
3
9
12
18
21
24W
Output Current
6
6
15 3x480Vac
3x400Vac
3x480Vac
3x400Vac
Fig. 8-3 Efficiency vs. input voltage at 24V,
10A, typ., 3-phase operation
Fig. 8-4 Losses vs. input voltage at 24V, 10A,
typ., 3-phase operation
Efficiency
350 400 450 500 3x550 Va
c
92.0
92.2
92.4
92.6
Input Voltage
92.8
93.0
93.2%
Power Losses
350 400 450 500 3x550 Vac
17.0
17.5
18.0
18.5
Input Voltage
19.0
19.5
20W
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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8/22

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
9. FUNCTIONAL DIAGRAM
Fig. 9-1 Functional diagram
+
+
-
-
V
OUT
Output
Over-
Voltage
Protection
PFC
Inductor
Inrush
Limiter
Transient
Filter
Input Fuses
Input Filter
Input
Rectifier
Output
Voltage
Regulator
Power
Converter Output
Filter
Output
Power
Manager
Temper-
ature
Shut-
down
DC-ok
LED
L2
L3
L1
Single /
Parallel
10. FRONT SIDE AND USER ELEMENTS
Fig. 10-1 Front side
AOutput Terminals
Screw terminals, dual terminals per pole
+ Positive output
-Negative (return) output
BInput Terminals
Screw terminals
L1, L2, L3 Phase input
PE (Protective Earth) input
COutput voltage potentiometer
Open the flap to set the output voltage. Factory set: 24.1V
D“Parallel Use” “Single Use” selector
Set jumper to “Parallel Use” when power supplies are connected in
parallel to increase the output power. In order to achieve a sharing of
the load current between the individual power supplies, the “parallel
use” regulates the output voltage in such a manner that the voltage at
no load is approx. 5% higher than at nominal load. See also Fig. 6-2.
A missing jumper is equal to a “Single Use” mode.
Factory setting is “Single Use” mode.
EDC-OK LED (green)
On when the voltage on the output terminals is > 21V
A
C
D
E
B
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone [phone] Germany
9/22

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
11. TERMINALS AND WIRING
Input Output
Type screw terminals screw terminals
Solid wire 0.5-6mm20.5-6mm2
Stranded wire 0.5-4mm20.5-4mm2
American Wire Gauge 20-10 AWG 20-10 AWG
Wire stripping length 7mm / 0.275inch 7mm / 0.275inch
Screwdriver 3.5mm slotted or
Pozidrive No 2
3.5mm slotted or
Pozidrive No 2
Recommended tightening torque 0.8Nm, 7lb.in 0.8Nm, 7lb.in
Instructions:
a) Use appropriate copper cables that are designed for an operating temperature of:
60°C for ambient up to 45°C and 75°C for ambient up to 60°C minimum.
b) Follow national installation codes and installation regulations!
c) Ensure that all strands of a stranded wire enter the terminal connection!
d) Do not use the unit without PE connection.
e) Screws of unused terminal compartments should be securely tightened.
f) Ferrules are allowed.
12. RELIABILITY
3-Phase operation 3AC 400V 3AC 480V
Lifetime expectancy *) 54 000h 62 000h at 24V, 10A and 40°C
133 000h 134 000h at 24V, 5A and 40°C
151 000h 176 000h at 24V, 10A and 25°C
MTBF **) SN 29500, IEC 61709 975 000h 985 000h at 24V, 10A and 40°C
1 706 000h 1 723 000h at 24V, 10A and 25°C
MTBF **) MIL HDBK 217F 445 000h 429 000h at 24V, 10A and 40°C; Ground Benign GB40
584 000h 427 000h at 24V, 10A and 25°C; Ground Benign GB25
Operation only on 2 legs
of a three phase system 2AC 400V 2AC 480V
Lifetime expectancy *) 48 000h 58 000h at 24V, 10A and 40°C
134 000h 145 000h at 24V, 5A and 40°C
135 000h 164 000h at 24V, 10A and 25°C
MTBF **) SN 29500, IEC 61709 925 000h 939 000h at 24V, 10A and 40°C
1 633 000h 1 656 000h at 24V, 10A and 25°C
MTBF **) MIL HDBK 217F 437 000h 423 000h at 24V, 10A and 40°C; Ground Benign GB40
573 000h 556 000h at 24V, 10A and 25°C; Ground Benign GB25
*) The Lifetime expectancy shown in the table indicates the minimum operating hours (service life) and is determined by the lifetime
expectancy of the built-in electrolytic capacitors. Lifetime expectancy is specified in operational hours and is calculated according to the
capacitor’s manufacturer specification. The prediction model allows only a calculation of up to 15 years from date of shipment.
**) MTBF stands for Mean Time Between Failure, which is calculated according to statistical device failures, and indicates reliability of a
device. It is the statistical representation of the likelihood of a unit to fail and does not necessarily represent the life of a product.
The MTBF figure is a statistical representation of the likelihood of a device to fail. A MTBF figure of e.g. 1 000 000h means that
statistically one unit will fail every 100 hours if 10 000 units are installed in the field. However, it can not be determined if the failed unit
has been running for 50 000h or only for 100h.
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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10/22

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
13. EMC
The EMC behavior of the device is designed for applications in industrial environment as well as in residential,
commercial and light industry environments.
EMC Immunity Generic standards: EN 61000-6-1 and EN 61000-6-2
Electrostatic discharge EN 61000-4-2 Contact discharge
Air discharge
8kV
15kV
Criterion A
Criterion A
Electromagnetic RF field EN 61000-4-3 80MHz-2.7GHz 10V/m Criterion A
Fast transients (Burst) EN 61000-4-4 Input lines
Output lines
4kV
2kV
Criterion A
Criterion A
Surge voltage on input EN 61000-4-5 L1 ÆL2, L2 ÆL3, L1 ÆL3
L1 / L2 / L3 ÆPE
2kV
4kV
Criterion A
Criterion A
Surge voltage on output EN 61000-4-5 + Æ-
+ / - ÆPE
500V
500V
Criterion A
Criterion A
Conducted disturbance EN 61000-4-6 0.15-80MHz 10V Criterion A
Mains voltage dips
(Dips on three phases)
EN 61000-4-11 0% of 380Vac
0% of 480Vac
0Vac, 20ms
0Vac, 20ms
Criterion A
Criterion A
Mains voltage dips
(Dips on two phases)
EN 61000-4-11 40% of 380Vac
40% of 480Vac
70% of 380Vac
70% of 480Vac
200ms
200ms
500ms
500ms
Criterion A
Criterion A
Criterion A
Criterion A
Voltage interruptions EN 61000-4-11 0Vac, 5000ms Criterion C
Voltage sags SEMI F47 0706 Dips on two phases according to section 7.2.
of the SEMI F47 standard
80% of 380Vac
70% of 380Vac
50% of 380Vac
1000ms
500ms
200ms
Criterion A
Criterion A
Criterion A
Powerful transients VDE 0160 over entire load range 1550V, 1.3ms Criterion A
Criterions:
A: Power supply shows normal operation behavior within the defined limits.
C: Temporary loss of function is possible. Power supply may shut-down and restarts by itself. No damage or hazards for the power supply
will occur.
EMC Emission Generic standards: EN 61000-6-3 and EN 61000-6-4
Conducted emission EN 55011, EN 55022, FCC Part 15, CISPR 11, CISPR 22 Class B, input lines
Radiated emission EN 55011, EN 55022 Class B
Harmonic input current EN 61000-3-2 fulfilled
Voltage fluctuations, flicker EN 61000-3-3 fulfilled
This device complies with FCC Part 15 rules.
Operation is subjected to following two conditions: (1) this device may not cause harmful interference, and (2) this
device must accept any interference received, including interference that may cause undesired operation.
Switching frequency Variable between 60kHz and 140kHz depending on load and input voltage
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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11/22

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
14. ENVIRONMENT
Operational temperature *) -25°C to +70°C (-13°F to 158°F) reduce output power according Fig. 14-1
Storage temperature -40 to +85°C (-40°F to 185°F) for storage and transportation
Output de-rating 3.2W/°C 45-60°C (113°F to 140°F)
6W/°C 60-70°C (140°F to 158°F)
Humidity **) 5 to 95% r.H. IEC 60068-2-30
Vibration sinusoidal 2-17.8Hz: ±1.6mm; 17.8-500Hz: 2g
2 hours / axis
IEC 60068-2-6
Shock 30g 6ms, 20g 11ms
3 bumps / direction, 18 bumps in total
IEC 60068-2-27
Altitude 0 to 6000m (0 to 20 000ft) reduce output power or ambient temperature
above 2000m sea level.
Altitude de-rating 15W/1000m or 5°C/1000m above 2000m (6500ft), see Fig. 14-2
Over-voltage category III IEC 62103, EN 50178, altitudes up to 2000m
II altitudes from 2000m to 6000m
Degree of pollution 2 IEC 62103, EN 50178, not conductive
LABS compatibility As a rule, only non-silicon precipitating materials are used. The unit conforms to the
LABS criteria and is suitable for use in paint shops.
Audible noise Some audible noise may be emitted from the power supply during no load, overload or
short circuit.
*) Operational temperature is the same as the ambient temperature and is defined as the air temperature 2cm below the unit.
**) Do not energize while condensation is present
Fig. 14-1 Output current vs. ambient temp. Fig. 14-2 Output current vs. altitude at 24V
0
-25 0 20 40 70°
C
2
4
6
8
10
12A
60
Ambient Temperature
continuous
short
term
Allowable Output
Current at 24V
0
0 2000 4000 6000m
2
4
6
8
10
12A
Altitude
A...Tamb<60°C
B...Tamb<50°C
C...Tamb<40°C
C
B
A
shortterm
Allowable Output
Current at 24V
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone [phone] Germany
12/22

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
15. PROTECTION FEATURES
Output protection Electronically protected against overload, no-load and short-circuits *)
Output over-voltage protection typ. 30.5Vdc
max. 32Vdc
In case of an internal power supply defect, a redundant
circuit limits the maximum output voltage. The output
shuts down and automatically attempts to restart.
Degree of protection IP 20 EN/IEC 60529
Penetration protection > 3.5mm e.g. screws, small parts
Over-temperature protection yes output shut-down with automatic restart
Input transient protection MOV
(Metal Oxide Varistor)
for protection values see chapter 13 (EMC).
Internal input fuse included not user replaceable
*) In case of a protection event, audible noise may occur.
16. SAFETY FEATURES
Input / output separation *) SELV IEC/EN 60950-1
PELV IEC/EN 60204-1, EN 50178, IEC 62103, IEC 60364-4-41
Class of protection I PE (Protective Earth) connection required
Isolation resistance > 5MOhm input to output, 500Vdc
PE resistance < 0.1Ohm
Touch current (leakage current) typ. 0.17mA 3x 400Vac, 50Hz, TN mains
typ. 0.24mA 3x 480Vac, 60Hz, TN mains
< 0.22mA 3x 440Vac, 50Hz, TN mains
< 0.31mA 3x 528Vac, 60Hz, TN mains
*) Double or reinforced insulation
17. DIELECTRIC STRENGTH
The output voltage is floating and has no ohmic connection to the ground. Type and factory tests are conducted by
the manufacturer. Field tests may be conducted in the field using the appropriate test equipment which applies the
voltage with a slow ramp (2s up and 2s down). Connect all phase-terminals together as well as all output poles before
conducting the test. When testing, set the cut-off current settings to the value in the table below.
Fig. 17-1 Dielectric strength
A B C
Type test 60s 2500Vac 3000Vac 500Vac
Factory test 5s 2500Vac 2500Vac 500Vac
Field test 5s 2000Vac 2000Vac 500Vac
Cut-off current setting
for field test > 10mA > 10mA > 30mA
A
C
B
L1
Input
Earth
Output
-
+
L3
L2
To fulfill the PELV requirements according to EN60204-1 § 6.4.1, we
recommend that either the + pole, the – pole or any other part of
the output circuit shall be connected to the protective earth
system. This helps to avoid situations in which a load starts
unexpectedly or can not be switched off when unnoticed earth
faults occur.
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone [phone] Germany
13/22

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
18. APPROVALS
EC Declaration of Conformity
The CE mark indicates conformance with the
- EMC directive,
- Low-voltage directive (LVD) and the
IEC 60950-1
CB Scheme,
Information Technology Equipment
UL 508
IND. CONT. EQ.
Listed for use as Industrial Control Equipment;
U.S.A. (UL 508) and Canada (C22.2 No. 107-1-01);
E-File: E198865
Mains supply circuit: 3-wire + PE, star
UL 60950-1 Recognized for use as Information Technology Equipment;
U.S.A. (UL 60950-1) and Canada (C22.2 No. 60950);
E-File: E137006, Level 5
Marine GL (Germanischer Lloyd) classified and
ABS (American Bureau for Shipping) PDA
Environmental category: C, EMC2
Marine and offshore applications
SEMI F47
SEMI F47-0706
Ride-through compliance for the semiconductor industry.
Full SEMI range compliance (Dips on two phases: 304Vac for
1000ms, 266Vac for 500ms and 190Vac for 200ms)
EAC TR Registration Registration for the Eurasian Customs Union market
(Russia, Kazakhstan, Belarus)
19. OTHER FULFILLED STANDARDS
RoHS Directive
Directive 2011/65/EU of the European Parliament and the
Council of June 8th, 2011 on the restriction of the use of
certain hazardous substances in electrical and electronic
equipment.
REACH Directive
Directive 1907/2006/EU of the European Parliament and the
Council of June 1st, 2007 regarding the Registration,
Evaluation, Authorisation and Restriction of Chemicals
(REACH)
IEC/EN 61558-2-17 Safety Isolating
Transformer
Safety Isolating Transformers corresponding to Part 2-6 of the
IEC/EN 61558
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone [phone] Germany
14/22

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
20. PHYSICAL DIMENSIONS AND WEIGHT
Width 62mm 2.44’’
Height 124mm 4.88’’
Depth 117mm 4.61’’
The DIN-rail height must be added to the unit depth to calculate the total required
installation depth.
Weight 750g / 1.65lb
DIN-Rail Use 35mm DIN-rails according to EN 60715 or EN 50022 with a height of 7.5 or 15mm.
Housing material Body: Aluminium alloy
Cover: zinc-plated steel
Installation clearances See chapter 2
Fig. 20-1 Front view Fig. 20-2 Side view
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone [phone] Germany
15/22

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
21. ACCESSORIES
ZM1.WALL Wall mounting bracket
This bracket is used to mount specific Dimension units onto a flat surface without utilizing a DIN-Rail. The two
aluminum brackets and the black plastic slider of the unit have to be removed, so that the two steel brackets can be
mounted.
Fig. 21-1 ZM1.WALL Wall mounting bracket Fig. 21-2 Assembled wall mounting bracket *)
*) Picture of the power supply is for representation only
ZM13.SIDE Side mounting bracket
This bracket is used to mount Dimension units sideways with or without utilizing a DIN-Rail. The two aluminum
brackets and the black plastic slider of the unit have to be detached, so that the steel brackets can be mounted.
For sideway DIN-rail mounting, the removed aluminum brackets and the black plastic slider need to be mounted on
the steel bracket.
Fig. 21-3
ZM13.SIDE Side mounting bracket *)
Fig. 21-4
Side mounting with DIN-rail brackets *)
*) Picture of the power supply is for representation only
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone [phone] Germany
16/22

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
22. APPLICATION NOTES
22.1. PEAK CURRENT CAPABILITY
Solenoids, contactors and pneumatic modules often have a steady state coil and a pick-up coil. The inrush current
demand of the pick-up coil is several times higher than the steady-state current and usually exceeds the nominal
output current (including the PowerBoost) The same situation applies, when starting a capacitive load.
Branch circuits are often protected with circuit breakers or fuses. In case of a short or an overload in the branch circuit,
the fuse needs a certain amount of over-current to trip or to blow. The peak current capability ensures the safe
operation of subsequent circuit breakers.
Assuming the input voltage is turned on before such an event, the built-in large sized output capacitors inside the
power supply can deliver extra current. Discharging this capacitor causes a voltage dip on the output. The following
two examples show typical voltage dips:
Fig. 22-1 Peak load 20A for 50ms, typ. Fig. 22-2 Peak load 50A for 5ms, typ.
10ms/DIV
Output
Voltage
Output
Current
24V
0A
20A
6V
1ms/DIV
Output
Voltage
Output
Current
24V
0A
50A
3V
Peak load 20A (resistive) for 50ms
Output voltage dips from 24V to 6V. Peak load 50A (resistive) for 5ms Output voltage dips from 24V to 3V.
22.2. BACK-FEEDING LOADS
Loads such as decelerating motors and inductors can feed voltage back to the power supply. This feature is also called
return voltage immunity or resistance against Back- E.M.F. (Electro Magnetic Force).
This power supply is resistant and does not show malfunctioning when a load feeds back voltage to the power supply.
It does not matter, whether the power supply is on or off.
The maximum allowed feed-back-voltage is 35Vdc. The absorbing energy can be calculated according to the built-in
large sized output capacitor which is specified in chapter 6.
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone [phone] Germany
17/22

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
22.3. CHARGING OF BATTERIES
The power supply can be used to charge lead-acid or maintenance free batteries. (Two 12V batteries in series)
Instructions for charging batteries:
a) Set jumper on the front of the unit into “Parallel Use”
b) Set output voltage (measured at no load and at the battery end of the cable) very precisely to the end-of-charge
voltage.
End-of-charge voltage 27.8V 27.5V 27.15V 26.8V
Battery temperature 10°C 20°C 30°C 40°C
c) Use a 16A circuit breaker (or blocking diode) between the power supply and the battery.
d) Ensure that the output current of the power supply is below the allowed charging current of the battery.
e) Use only matched batteries when putting 12V types in series.
f) The return current to the power supply (battery discharge current) is typ. 8mA when the power supply is switched
off (except in case a blocking diode is utilized).
22.4. OUTPUT CIRCUIT BREAKERS
Standard miniature circuit breakers (MCB’s or UL1077 circuit breakers) are without doubt, one of the most efficient
and economical ways to open circuits on faulty branches. Most of these breakers may also be used on 24V branches.
MCB’s are designed to protect wires and circuits. If the ampere value and the characteristics of the MCB are adapted to
the wire size that is used, the wiring is considered as thermally safe regardless of whether the MCB opens or not.
To avoid voltage dips and under-voltage situations in adjacent 24V branches which are supplied by the same source, a
fast (magnetic) tripping of the MCB is desired. A quick shutdown within 10ms is necessary corresponding roughly to
the ride-through time of PLC's. This requires power supplies with high current reserves and large output capacitors.
Furthermore, the impedance of the faulty branch must be sufficiently small in order for the current to actually flow.
The best current reserve in the power supply does not help if Ohm’s law does not permit current flow. The following
table has typical test results showing which B- and C-Characteristic MCBs magnetically trip depending on the wire cross
section and wire length.
Fig. 22-3 Test circuit Maximal wire length for a magnetic (fast) tripping *):
0.75mm² 1.0mm² 1.5mm² 2.5mm²
C-2A 23m 28m 43m 69m
C-3A 18m 23m 34m 54m
C-4A 6m 12m 18m 28m
C-6A 3m 4m 6m 7m
C-8A 2m 3m 4m 5m
C-10A 1m 2m 3m 4m
B-6A 9m 14m 19m 33m
B-10A 4m 5m 6m 9m
MCB
Power
Supply
AC
DC
+
-
+
-
Load
Wire length
S1...... Fault Simulation Switch
S1
B-13A 3m 4m 5m 8m
*) Don’t forget to consider two times the distance to the load (or cable length) when calculating the total wire length (+ and – wire).
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone [phone] Germany
18/22

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
22.5. EXTERNAL INPUT PROTECTION
The unit is tested and approved for branch circuits up to 30A (U.S.A.) and 32A (IEC). An external protection is only
required, if the supplying branch has an ampacity greater than this. Check also local codes and local requirements. In
some countries local regulations might apply.
If an external fuse is necessary or utilized, minimum requirements need to be considered to avoid nuisance tripping of
the circuit breaker. A minimum value of 6A B- or 3A C-Characteristic breaker should be used
22.6. USING ONLY 2LEGS OF A 3-PHASE SYSTEM
19/22
oss
e
The power supply is allowed to run permanently on two legs of a 3-phase
system, when the output power is reduced according to the curves below. A
long-term exceeding of these limits will result in a thermal shut-down of the
unit. No external protection device is required to protect against a phase-l
failure. EMC performance, hold-up time and losses differ from a three phas
operation. Therefore, check suitability of your individual application. The
screw of the terminal which remains unused must be securely tightened.
Using only two legs of a 3-phase system is not included in the UL approval. Therefore, additional testing might be
necessary.
DC
L1
L2
L3
open
AC
L1
L2
L3
PE
Power Supply
Fig. 22-4
Allowed output current for use on only two
legs of a 3-phase system
Fig. 22-5
Hold-up time for use on only two legs
of a 3-phase system
Allowed Output Current at 24V (2-Ph)
0
-25 0 20 70°
C
2
4
6
8
10
12A
Ambient Temperature
40 60
A...2x340-576Vac
B...2x320-340Vac
C...shortterm2x320-576Vac
BA
C
0
20
40
60
100ms
320 360 400 440 2x480Vac
Input Voltage
Hold-up Time at 24Vdc
5A,typ.
10A,typ.
10A,min.
5A,min.
80
Fig. 22-6
Efficiency vs. output current at 24V for use on
only two legs of a 3-phase system
Fig. 22-7
Losses vs. output current at 24V for use on
only two legs of a 3-phase system
Efficiency
2
89
91
93
88
94%
12
A
4810
Output Current
6
90
92 2x400Vac
2x480Vac
Power Losses
024 81012
A
0
4
12
20
24W 2x480Vac
2x400Vac
8
6
16
Output Current
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone [phone] Germany

CT10.241, CT10.241-C1
C-Series 24V, 10A, 240W, THREE PHASE INPUT
22.7. INDUCTIVE AND CAPACITIVE LOADS
The unit is designed to supply any kind of loads, including unlimited capacitive and inductive loads.
22.8. PARALLEL USE TO INCREASE OUTPUT POWER
CT10.241 power supplies can be paralleled to increase the output power.
This power supply can also be paralleled with power supplies from the
DIMENSION CT, QS or QT-series. The output voltage of all power supplies
shall be adjusted to the same value (±100mV) in “Single use” mode with the
same load conditions on all units, or the units can be left with the factory
settings. After the adjustments, the jumper on the front of the unit shall be
moved from “Single use” to “Parallel use”, in order to achieve load sharing.
The “Parallel use” mode regulates the output voltage in such a manner that
the voltage at no load is approx. 5% higher than at nominal load. See also
chapter 6. If no jumper is plugged in, the unit is in “Single use”. Factory
setting is “Single use” mode. A fuse (or diode) on the output of each unit is only required if more than three units are
connected in parallel. If a fuse (or circuit breaker) is used, choose one with approximately 150% of the rated output
current of the power supply. Keep an installation clearance of 15mm (left / right) between two power supplies and
avoid installing the power supplies on top of each other. Do not use power supplies in parallel in mounting
orientations other than the standard mounting orientation (input terminals on the bottom and output terminals on
top of the unit) or in any other condition where a derating of the output current is required (e.g. altitude, above 60°C,
…). Pay attention that leakage current, EMI, inrush current, harmonics will increase when using multiple power
supplies.
Unit B
-
+
Load
+
-
Fuse
Fuse
AC
DC
AC
DC
-
+
Unit A
22.9. PARALLEL USE FOR REDUNDANCY
Power supplies can be paralleled for redundancy to gain higher system availability. Redundant systems require a
certain amount of extra power to support the load in case one power supply unit fails. The simplest way is to put two
power supplies in parallel. This is called a 1+1 redundancy. In case one power supply unit fails, the other one is
automatically able to support the load current without any interruption. Redundant systems for a higher power
demand are usually built in a N+1 method. E.g. five power supplies, each rated for 10A are paralleled to build a 40A
redundant system. For N+1 redundancy the same restrictions apply as for increasing the output power, see also section
22.8.
Please note: This simple way to build a redundant system does not cover failures such as an internal short circuit in
the secondary side of the power supply. In such a case, the defect unit becomes a load for the other power supplies
and the output voltage can not be maintained any more. This can only be avoided by utilizing decoupling diodes
which are included in the decoupling module YRM2.DIODE.
Recommendations for building redundant power systems:
a) Use separate input fuses for each power supply.
b) Set the power supply into “Parallel Use”.
c) Monitor the individual power supply units. A DC-ok lamp and a DC-ok contact are included in the redundancy
module YRM2.DIODE. This feature reports a faulty unit.
d) It is desirable to set the output voltages of all units to the same value (± 100mV) or leave it at the factory setting.
Nov. 2017 / Rev. 1.4 DS-CT10.241-EN
All parameters are specified at 24V, 10A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone [phone] Germany
20/22