Pulsar PSACH 01244 User manual

PSACH 01244
v.1.2
PSACH 24VAC/4A/1x4A
AC power supply for 1 rotating camera, ABS enclosure
EN
Edition: 9 from 29.07.2022
Supersedes edition: 8 from 02.11.2017

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Features:
~24 V / 4 A or ~27 V / 3,7 A power output for
powering camera
power voltage ~ 230 V
protections:
SCP short-circuit protection
OLP overload protection
OHP overheat protection
against tampering
IP65 ABS, hermetic enclosure
warranty –2 years from production date
Sample power supply unit for rotating camera supplied with AC voltage.
range ~24 V/4 A or ~27 V/3,7 A
Schematic diagram of a power supply:
CONTENTS:
1. Technical description.
1.1 General description
1.2 Block diagram
1.3 Description of PSU components
1.4 Specifications
2. Installation.
2.1 Requirements
2.2 Installation procedure
3. Operating status indication.
3.1 Technical output
4. Operation and use.
4.1. Overload or short circuit at the PSU output
4.2. Maintenance

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1. Technical description.
1.1. General description.
AC/AC PSU intended for supplying devices requiring voltage AC of ~24 V (U1= ~24 V / U2= ~27 V) and total
capacity of 4 A@~24 V. It features protections: short-circuit (SCP), overload (OLP), transformer overheat (OHP).
PSU is housed in a ABS enclosure that features a microswitch indicating unwanted opening of the front door
(faceplate).
1.2. Block diagram.
Fig.1. Block diagram of the PSU.
1.3. Description of PSU components.
Tab.1. Elements of the power supply unit.
Element no.
[Fig. 2]
Description
[1]
Isolation transformer
[2]
TAMPER, tampering connector (NC)
[3]
AUX: U2-U1-0V secondary voltage connector, devices power supply (SEC)
[4]
F2 fuse in the secondary voltage circuit
[5]
F1 fuse in the power supply circuit (~230 V, PRI)
[6]
L-N connector ~230 V, PE protection connector
Fig.2. The view of the PSU.

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1.4 Specifications:
- electrical specifications (tab. 2)
- mechanical specifications (tab. 3)
- operation safety (tab. 4)
- operating specifications (tab. 5)
Electrical specifications (tab. 2).
Supply voltage
~ 230 V
Current consumption
0,5 A
Power frequency
50 Hz
Power of S PSU
100 VA max.
Output voltage
U1: ~23 –28 V (100% load ÷ 0% load)
U2: ~25,5 - 31,5 V (100% load ÷ 0% load)
Output current
4 A@~24 V max. or 3,7 A@~27 V max.
Short-circuit protection SCP
1x F 4A glass fuse
- glass fuse damage requires fuse-element replacement
Overload protection OLP
circuit 24 V: 1x F 4A
circuit 230 V: 1x T 1A
Overheat protection OHP
inside transformer
Sabotage protection:
- TAMPER output indicating enclosure
opening
- microswitch, NC contacts (enclosure closed),
0,5 A@ 50 V DC (max.)
F1 fuse
F2 fuse
T 1A/ 250V
F 4A/ 250V
Mechanical specifications (tab. 3).
External dimensions of the PSU
W=160, H=160, D=90 [+/- 2 mm]
Mounting dimensions PSU
W1=126, H1=145 [+/- 2 mm]
Height glands
H2=25 [mm]
Number of cable glands/ Ø cables
2szt. / 4 ÷8mm
Net/gross weight
2,2 / 2,3 [kg]
Enclosure
ABS, IP65, light grey
Closing
Cheese head screw x 4 (at front)
Connectors
Power supply: Φ0,63 ÷2,50 (AWG 22-10)
Outputs: Ф0,63 ÷2,50 (AWG 22-10),
TAMPER output: wires, 25cm
Notes
Enclosure has a removable mounting board with PSU systems.
Operation safety (tab.4).
Protection class EN 62368-1
I (first)
Protection grade EN 60529
IP65
Electrical strength of insulation:
- between input and output circuits of PSU
- between input circuit and protection circuit
- between output circuit and protection circuit
4000 V DC min.
2500 V DC min.
500 V DC min.
Insulation resistance:
- between input circuit and output or protection circuit
100 MΩ, 500 V DC

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Operating specifications (tab.5).
Operating temperature
-25ºC...+40ºC
Storage temperature
-25ºC...+60ºC
Relative humidity
10%...90% without condensation
Vibrations during operation
unacceptable
Impulse waves during operation
unacceptable
Direct insolation
unacceptable
Vibrations and impulse waves during transport
PN-83/T-42106
2. Installation.
2.1 Requirements
AC/AC power supply is to be mounted by a qualified installer, holding relevant permits and licenses
(required in installation country) to connect (interfere) with ~230 V mains supply. Unit should be mounted in
confined spaces, in accordance, with normal relative humidity (RH=90% maximum) and temperature from -25°C to
+40°C (table 5). PSU shall work in a vertical or horizontal position.
Before mounting the PSU module, perform a load balance. During normal operation, total current drawn by
the receivers cannot exceed I=4 A@~24 V.
As the PSU is designed for a continuous operation and is not equipped with a power-switch, therefore an
appropriate overload protection shall be guaranteed in the power supply circuit. Moreover, the user shall be
informed about the method of unplugging (usually through assigning an appropriate fuse in the fuse-box). Electrical
system shall follow valid standards and regulations.
2.2 Installation procedure.
CAUTION!
Before installation, cut off voltage in 230V power-supply circuit. To switch power off, use an
external switch, in which distance between contacts of all poles in disconnection state is not
less than 3 mm.
It is required to install in the supply circuits, in addition to power supply, circuit breaker with 6 A
nominal current.
1). Mount PSU in a selected location and connect wires (tighten cable glands).
2). Connect power cables (~230 V) to L-N clips of PSU. Connect the ground wire to the terminal marked by the
earth symbol . Use a three-core cable (with a yellow and green PE protection wire) to make the connection.
Lead the cables to the appropriate terminals of the connection board through the bushing.
Shock protection circuit shall be performed with a particular care, i.e. yellow and green wire
coat of power cable shall stick to one side of terminal marked with earth symbol in PSU
enclosure. Operation of power supply without a properly made and fully operational shock
protection circuit is UNACCEPTABLE! It can result in device damage or an electric shock.
4). Connect conductors of consumers to terminals U1-0V and/or U2-0V of terminal box on power-supply unit
(balance of power-supply load shall be performed).
5). Restore mains power ~230 V.
6). Once tests and control operation have been completed, close PSU.
3. Operating status indication.
3.1 Technical outputs.
The PSU is equipped with indication outputs allowing transmitting the information of casing sabotage (casing
opening).
TAMPER: output indicates opening the power-supply unit, output as volt-free contacts which indicate
power-supply unit door status, unit closed: NC, unit opened: NO.

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4. Operation and use.
4.1 Overload or short circuit at the PSU output.
The U1-U2-0V PSU outputs are protected against a short circuit with glass fuse. If the PSU is loaded with
current exceeding 4 A@~24 V (110% for ÷ 150% of S power), there occurs the F2 and/or F1 fuse damage in the
~230 V circuit. In case of a failure, replace the fuse of the same parameters.
4.2 Maintenance.
Any and all maintenance operations may be performed following the disconnection of the PSU from the
power supply network. The PSU does not require performing any specific maintenance measures. However, in
case of a significant dust level, clean the interior with compressed air. In case of a fuse replacement, use one of the
same parameters.
WEEE MARK
According to EU WEE Directive –It is required not to dispose of electric or electronic waste as unsorted municipal
waste and to collect such WEEE separately.
Device works with a lead-acid battery (SLA). After the operation period it must not be disposed of but recycled according
to the applicable law.
Pulsar sp. j.
Siedlec 150, 32-744 Łapczyca, Poland
Tel. [phone]
e-mail: [e-mail], [e-mail]
http:// www.pulsar.pl