RINGSPANN EV 018EFM Series User manual

Schaberweg 30-38
Phone [phone]
Fax [phone]
www.ringspann.com
[email protected]
61348 Bad Homburg
Germany
Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM - 240M/480M
E 09.768e

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 2
IMPORTANT
Please read these instructions carefully before installing and operating the product. Your particular
attention is drawn to the notes on safety.
These installation and operating instructions are valid on condition that the product meets the selec-
tion criteria for its proper use. Selection and design of the product is not the subject of these installa-
tion and operating instructions.
Disregarding or misinterpreting these installation and operating instructions invalidates any product
liability or guarantee by RINGSPANN; the same applies if the product is taken apart or changed.
These installation and operating instructions should be kept in a safe place and should accompany
the product if it is passed on to others -either on its own or as part of a machine- to make it accessible
to the user.
SAFETY NOTICE
Installation and operation of this product should only be carried out by skilled personnel.
Repairs may only be carried out by the manufacturer or accredited RINGSPANN agents.
If a malfunction is indicated, the product or the machine into which it is installed, should be
stopped immediately and either RINGSPANN or an accredited RINGSPANN agent should be in-
formed.
Switch off the power supply before commencing work on electrical components.
Rotating machine elements must be protected by the purchaser to prevent accidental contact.
Supplies abroad are subject to the safety laws prevailing in those countries.

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 3
Contents
1. General Remarks
1.1 General Safety Instructions
1.2 Special Safety Instructions
2. Function, Marking, Technical Details and Parts List
2.1 Function, Operating Principle
2.2 Marking
2.3 Technical Details
2.4Drawing and Parts List
3. Proper Use / Specified Purpose
4. Improper Use
5. Condition upon Delivery
6. Handling and Storage
7. Technical Requirements for safe and reliable Operation
8. Installation of the RINGSPANN Brake
8.1 General Instruction for Assembly and Installation
8.2 Prior Assembly and Installation
8.3 Adjust to the Brake Disc Thickness and mounting the Brake
8.4 Electrical Connection
8.5 Brake Force Adjustment
8.6 Manual Brake Release
9. Commissioning
10. Disassembling the Brake
11. Maintenance
11.1 General Maintenance
11.2 Brake Pad Adjustment, permissible Brake Pad Wear and Brake Pad Replacement
12. Accessories: Switches
12.1 Installing and connecting the Inductive Proximity Switches for Brake Closed, Brake Open and
Brake Pad Wear Adjustment necessary
13. EC-Declaration of Conformity

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 4
1. General remarks
1.1 General safety instructions
Please read these installation and operating instructions carefully before installing and operating
the brake. Please refer also to the drawings in the various sections.
Safety must be given the highest priority during all work performed on the brake.
Switch off the drive unit before performing work on the brake. The brake should be secured
against accidental switch-on.
Rotating components (e.g. brake disc) must be secured by the operator to prevent accidental
contact.
1.2 Special safety instructions
Danger to life and limb!
It is essential to secure the entire drive train against inadvertent starts dur-
ing brake installation and maintenance. Rotating components can cause
severe injuries.
Therefore, rotating components (e.g. brake disc) must be secured by the
operator to prevent accidental contact.
2. Function, Marking, Technical Details and Parts list
2.1 Function, Operating Principle
The brakes of type EV an EH are machine components, used for the purpose of braking acceler-
ated masses safely and reliably. The combination of brake and brake disc provides a complete
brake unit capable of securing machines and equipment system effectively. Thanks to its univer-
sal design, it can perform the following functions:
As a holding or parking brake, it prevents the unintended start of a stationary shaft.
As a stopping brake, it brings a rotating shaft to a complete standstill.
Braking force is generated by electromagnetic force (2), the brake is released by spring force. If
the lining of the friction block (1) wears out, the holding or braking torque is reduced because the
spring load is reduced.
2.2 Marking
These installation and operating instructions apply to:
the types EV/EH 018/024/028/038 EFM, each with two separate voltage ranges 240V
(220 … 240VAC) and 480 (380 … 480VAC).
installation on horizontal brake discs and vertical brake discs in combination with horizon-
tal shafts.
for models with and without switches.
for different brake pad material and for brake pads with signal cables.
With plug combination and cable bushing as connection for the supply voltage

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 5
On the brake you can find a name plate with a 16 digit material number. Only with that type num-
ber you can specify the brake.
Please consult the drawings in each section when using this instructions.
As well as these instructions, please also consider the catalogue data for the brake at
www.ringspann.com and the drawings in the individual sections.
2.3 Technical details
EV / EH
018EFM
EV / EH
024EFM
EV / EH
028EFM
EV / EH
038EFM
Clamping force
3200 N
5500 N
12500 N
24000 N
Nominal air gap each side
0,3 mm
0,3 mm
0,3 mm
0,3 mm
Max. friction pad wear 2)
5 mm
5 mm
7 mm
7 mm
Friction pad wear without adjustment
0,3 mm
0,3 mm
0,3 mm
0,3 mm
Clamping force / braking torque
adjustable1)
60 –100%
60 –100%
70 –100%
70 –100%
Weight [kg]
6,5 kg
13 kg
24 kg
50 kg
Smallest brake disc diameter
125 mm
250 mm
300 mm
430 mm
type 12,5
Brake disc thickness
type 25
8 to 15mm
16 to 20 mm
10 to 16 mm
18 to 26 mm
10 to 16 mm
18 to 26 mm
12,5 to 20 mm
22 to 30 mm
Type 240V
Supply voltage 1) Type 480V
220 … 240VAC
380 … 480VAC
220 … 240VAC
380 … 480VAC
220 … 240VAC
380 … 480VAC
220 … 240VAC
380 … 480VAC
Supply voltage frequency 4)
50 / 60 Hz
50 / 60 Hz
50 / 60 Hz
50 / 60 Hz
Electric fuse
B10, C6
B10, C6
B10, C6
B10, C6
Power consumption „brake closed“
14 W (220-480V)
32 W (380-480V)
20 W (220-480V)
22 W (380-480V)
14 W (220-480V)
19 W (380-480V)
10 W (220-480V)
24 W (380-480V)
Electrical degree of protection
IP 65
IP 65
IP 65
IP 65
Insulation class
PE conductor
PE conductor
PE conductor
PE conductor
Duty cycle
100 %
100 %
100 %
100 %
Max. switching frequency at 20°C
ambient temperature 3)
240 / h
240 / h
240 / h
240 / h
Ambient temperature 3) 5)
-30°C .. +55°C
-30°C .. +55°C
-30°C .. +55°C
-30°C .. +55°C
1) The nominal value is marked on the type label, and on a sticker on the electronics. There are two
kinds of electronics: 220 … 240VAC and 380 … 480 VAC.
2) The max. allowable friction pad wear depends on the brake disc thickness. See also chapter 11.2.
3) Higher ambient temperature as 20°C reduces the max. switching frequency per hour.
4) No adjustments necessary, the brake can only be used with 50Hz or 60Hz.
5) At low temperatures below -30°C to -40°C, a reduction in clamping force is necessary. Consultation with
RINGSPANN is necessary.

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 6
2.4 Drawing and Parts list
Information!
For a clear assignment the 16 digit material number of the brake is necessary.
Part
Nomenclature
Quantity
018
024
028
038
1
Set brake pad
1
1
1
1
2
Solenoid housing with coil
1
1
1
1
3
Solenoid lid
1
1
1
1
4
Slide bushing
1
2
2
1

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 7
5
Tension spring
4
4
4
4
6
Retaining plate
4
4
4
4
7
Washer DIN125
8
8
8
8
8
Hexagon head screw ISO4017
8
8
8
8
9
Coiled spring pin
1
1
1
1
10
Bearing pin
1
1
1
1
11
Slide bushing
2
2
2
2
12
Slide bushing
1
1
1
1
13
Calotte
1
1
1
1
14
Cylindrical roller DIN5402
1
1
1
1
15
Cylindrical roller DIN5402
1
1
1
1
16
Hexagon nut
1
1
1
1
17
Threaded pin with hexagon head
1
1
1
1
18
Threaded pin
1
1
1
1
19
Slide bushing
1
1
1
1
20
Wiper
1
1
1
1
21
Washer DIN125
1
1
1
1
22
Hexagon nut DIN985
1
1
1
1
23
Hexagon socket head cap screw DIN912
1
1
1
1
24
Washer DIN125
1
1
1
1
25
Hexagon nut DIN934
1
1
1
1
26
Washer DIN125
1
1
1
1
27
Spring compressor
1
1
1
1
28
Dowel pin
1
1
1
1
29
Lever
1
1
1
1
30
Washer
1
1
-
-
31
Lever pressure piece 1
1
1
1
1
32
Slide bushing
1
1
1
2
33
Electronic housing
-
1
1
1
34
Electronic
1
1
1
1
35
Flange connector
-
1
1
1
36
Gasket for rectangular connector
-
1
1
1
37
Gasket for rectangular connector
1
1
1
1
38
Connector
1
1
1
1
39
Base plate
1
1
1
1
40
Hexagon nut
1
1
1
1
41
Threaded pin with hexagon head
1
1
1
1
42
Hexagon socket head cap screw DIN912
4
4
4
4
43
Spring compression nut
1
1
1
1
44
Threaded pin
1
1
1
1
45
Washer
1
1
1
-
46
Compression spring
1
1
1
1
47
Guide rod
1
1
1
1
48
Circlip AV
2
2
2
2
49
Guide rod
2
2
2
2
50
Slide bushing
2
2
2
2
51
Compression spring
2
2
2
2

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 8
52
Screw
2
2
2
2
53
Attachment plate V
1
1
1
1
54
Adapter plate H
1
1
-
-
55
Attachment plate H
1
1
-
-
56
Hexagon socket head cap screw DIN6912
3
4
-
-
57
Attachment plate H
-
-
1
1
58
Electronic housing 018
1
-
-
-
61
Cable bushing M16x1,5
1
-
-
-
63
Hexagon socket head cap screw DIN912
4
4
4
4
64
Lever bearing
2
2
2
2
65
Hexagon head screw ISO4017
1
1
1
1
66
Lever pressure piece 2
1
1
1
1
67
Metal sheet
1
1
1
1
3. Proper use / specified purpose
The brake may only be connected within the voltage marked on the type label of the brake.
240VAC = 220 … 240 VAC
480VAC = 380 … 480 VAC
With 50 Hz or 60 Hz (no adjustment necessary) and corresponding to the technical details. The
electrical connection see chapter 8.4.
The brake is designed for use as a holding/parking brake and/or stopping brake.
Other uses are improper and incompatible with the specified purpose. RINGSPANN assumes no
liability for damages resulting from improper use. The risk is assumed by the user alone.
4. Improper use
Operating the brake with other supply voltage as specified on the nameplate is prohibited.
Unauthorized constructive modifications of the brake are similarly prohibited. If the grub screw
pos. 44 is provided with sealing wax at the factory, the clamping force on the brake must not be
adjusted by the customer!
5. Condition upon delivery
The brake is tested prior to delivery. The braking force is adjusted to the maximum braking force.
6. Handling and storage
The weight of the brake depends on the size, between 6,5kg and 50kg, see also chapter 2.3.
The brake is delivered with anti-corrosion protection and can be stored in an enclosed, dry space
for up to 12 months. It is important to prevent condensation from forming. Moist storage areas are
unsuitable.

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 9
7. Technical requirements for safe and reliable operation
Mounting the brake to stable, low-vibration machine components ensures low-screech, low-noise
braking.
To protect the brake electronics, the installation of surge arresters are mandatory. These surge
arresters (per phase one) must be connected between the customer's switching relay and the
brake electronics. In this case, the surge arrester of L1 and L2 is switched to N or PE in order to
derive mains disturbances. The user must ensure that no voltage peaks greater than 1200V can
occur. This means that the protection level of the overvoltage protection must be selected so low
that no higher voltage peaks can occur at the electronics of the brake. This mainly depends on
the energy of the mains disturbances in the user's mains.
For 230 / 400V electric grids e.g., surge protection switch of the brand "Bourns 1250-xS-230" can
be used. In 480V mains overvoltage circuit breaker type "Bourns 1250-2S-400" can be used.
8. Installation of the RINGSPANN brake
8.1 General instructions for assembly and installation
Before installing the brake, the brake disc must be cleaned with alcohol, e.g. ethyl or isopropyl al-
cohol or a water-based surfactant solution (soapy water, etc.) and then rubbed dry with a clean
cloth.
When cleaning the brake disc with a thinner, acetone or a brake cleaning agent, it is important to
ensure that neither these cleaners nor any cleaner residues come in contact with the brake pads.
This is especially important in the case of brakes used only as parking brakes, as no dynamic
braking operations take place during which thinner residues would be rubbed off the brake disc.
Please note!
Oil and rust-proofing-agent residues reduced friction coefficient and thus dimin-
ish transmissible braking torque substantially!
8.2 Prior assembly and installation
Prior to installation, check to ensure that the mounting surface is even and planned run between
the brake disc and the mounting surface is within the tolerance range of 0.2 mm.
Check the axial movement of the brake disc. Axial movement must not exceed ± 0.2 mm.
Maximum permissible lateral brake disc wobble is 0.1 mm. Greater wobble may cause rattling
and shaking of the brake unit.
Attention!
Check to ensure that the brake disc rotates freely.
8.3 Adjust the brake to the brake disc thickness and mount the brake

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 10
The brake is delivered with a distance between the friction pads of 13,1 mm or 25,6 mm. You can
adjust the distance between the friction pads with the setting screw Pos. 17 and Pos. 41 (see Fig.
8.1 or Fig. 8.2).
The adjustment of the air gap between the friction pads and the brake disc is the same as the ad-
justment of the brake disc thickness. You can adjust the air gap with the setting screw Pos. 17
and Pos. 41 (see Fig. 8.1 or Fig. 8.2).
The air gap between the friction pad and the brake should be 0,3 mm.
During installation, ensure that the brake pads are centred and in full contact with the surface of
the brake disc.
For the distance X and Z see table 8.2 or 8.3. See also Fig. 8.1 or 8.2.
The brake can be hold in position with a lifting belt for the multiple installation positions.
Type
EV018..
EV024..
EV028..
EV038..
Distance X
48 mm
64,5mm
79 mm
103 mm
Distance Z
24,5 mm
19 mm
20 mm
27 mm
Rubbing surface Y
42 mm
47 mm
62 mm
72 mm
Tab. 8.1
Fig. 8.1 EV …
Tab. 8.2
Type
EH018..
EH024..
EH028..
EH038..
Distance X
60,5 mm
84,5 mm
99 mm
126 mm
Distance Z
24,5 mm
19 mm
22 mm
29,5 mm
Rubbing surface Y
42 mm
47 mm
62 mm
72 mm

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 11
Fig. 8.2 EH….
The brake is attached with 4 screws. The tightening torques refers to screws lubricated with
Molycote MoS2. So the screws must be lubricated with Molycote MoS2.
Size
EV/EH 018
EV/EH024 / EH028
EV028 / EH038
EV038
Screw size
M10-10.9
M12-10.9
M16-10.9
M20-10.9
Tightening torque (lubri-
cated with MoS2)
63 Nm
108 Nm
264 Nm
517 Nm
Tab. 8.3
Information!
To facilitate installation, you may fix the brake in position initially with a single
screw before swinging it to the point at which the other screws can be inserted
as well.
des Freilaufs führen!
Attention!
The air gap between brake pad and brake disc is to be adjusted after the first in-
stallation and after replacement of brake pads.
After the Adjustment of the air gap the setting screw Pos. 17 and Pos. 41 must be fixed with the
nut Pos. 16 and Pos. 40, see Fig. 8.1 or Fig. 8.2.
8.4 Electrical Connection

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 12
Attention!
To protect the brake electronics, the installation of surge arresters is mandatory.
These surge arresters (per phase one) must be connected between the customer's
switching relay and the brake electronics. In this case, the surge arrester of L1 and
L2 is switched to N or PE in order to derive mains disturbances. For european 230 /
400V mains, surge protection switch of the brand "Bourns 1250-xS-230" e.g. can be
used. In 480V mains overvoltage circuit breaker type "Bourns 1250-2S-400" can be
used.
Attention!
To protect the electronic against too fast switching, a security feature is integrat-
ed in the electronic. The security feature locks the supply voltage and the brake
cannot be closed. After 40 s the electronic will pass the supply voltage and after
a further activation the brake will close.
Attention!
Only trained electrician are allowed to connect the brake with the supply
voltage. The trained electrician must be familiar with the relevant standards
(e.g. in Germany DIN VDE 0113).
Attention!
To use the brake the electronic Pos. 34 (included in the scope of delivery) is
mandatory. Do not connect the brake directly to the supply voltage.
Angled plug and/or cable bushing is in the scope of delivery.
The following rules must be observed:
a) It is not allowed to use coiled cables in the supply line. (e.g. cable drum, reserve cable loops or
the like)
b) For safe operation of the brake a sufficient grid quality is necessary. See also the standards of
grid quality.
Attention!
For higher operating cycles (> 100 / h), the brake can heat up to 65 ° C.

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 13
c) Before replacing the electronic, check the coil of the solenoid to be shure that the coil is not
damaged. Please consult RINGSPANN.
Brake size 018
For the size 018 the electronic is not attached to the brake, a seperate electronic module is to be
used.
Attention - SIZE 018 !!
Do not disconnect the cable between the brake and the electronic while the
brake is under voltage, this will destroy the solenoid!
Attention!
To protect the electronic against too fast switching, a security feature is integrated
in the electronic. The security feature locks the supply voltage and the brake can-
not be opened. After 40 s the electronic will pass the supply voltage and after a
further activation the brake will open.
Contact assignment round connector:
The electronics is automatic frequency adjusted. The brake can only be used with 50Hz or 60Hz.
Supply Voltage : voltage range mentioned on the type label
Degree of protection : IP 65
Customer
Supply voltage
Brake

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 14
Electrical fuse : 10 A, type „B“
Supply cable : 1,5..2,5 mm², not longer than 50m; do not lay the supply
cable together with other electrical motors in one cable duct.
Use surge arresters!
Cable between electronic : 1,5.. 2,5 mm2 flexibel, no longer than 3m.
and brake
Switching function : directly on the operating voltage between round connector and
Supply voltage –double pole switching!
!! Attention: Do not switch between brake and electronics !!
Switching device : Inrush current 5 A (rms) for 0,2s, than smaller 1 A (rms)
After the electrical connection you have to check the protective earth conductor function (accord-
ing DIN VDE 0113 or EN 60204).
Size 024, 028 and 038
The brake can only be used with 50Hz or 60Hz, no adjustment is necessary.
Supply Voltage : voltage range mentioned on the type label
Contact assignment:
Degree of protection : IP 65
Electrical fuse : 10 A, type „B“
Supply cable : 1,5.. 2,5 mm² flexible, not longer than 50m; do not lay the supply cable together
with other electrical motors in one cable duct. Use surge arresters!
Switching function : directly on the operating voltage –double pole switching!
Electronicmodul
Round connector
Rectangular connector

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 15
Switching device : Inrush current 10 A (rms) for 0,2s, than smaller 1 A (rms)
After the electrical connection you have to check the protective earth conductor function (accord-
ing DIN VDE 0113 or EN 60204
8.5 Braking force adjustment
The entire surface of both brake pads must be in contact with the brake disc in order to achieve
the optimum braking effect. The brake pads must also be heated briefly to approx. 200°C. There-
fore, multiple brief braking operations under low spring force and rotating brake disc are required
to heat the brake pads.
Attention!
If the brake is used as parking brake, the brake torques specified are not met.
Reductions of up to 50% of the braking torques are possible.
Attention!
If the brake cannot be run in, the braking torques listed in our publication no. 46
cannot be achieved. Reductions of up to 50% are possible.
Attention!
If the grub screw pos. 44 is provided with sealing wax at the factory, the clamp-
ing force on the brake must not be adjusted by the customer!
The braking force is adjusted to the maximum braking force. If the braking force should be re-
duced, the clamping force can be reduced by reducing the pretension of the spring. Therefore
you have to loosen the threaded pin Pos. 44 of the spring compression nut Pos. 43. With the
spring compression nut you can adjust the distance S (see Fig. 8.5) according to the values in ta-
ble 8.4. If you reduce the clamping force the reaction time of the brake will increase. After the ad-
justment, lock the spring compression nut with the threaded pin.
EV / EH 018
EV / EH 024
EV / EH 028
EV / EH 038
Nominal clamping force (100%) [N]
3.200
5500
12.500
24.000
1) Braking force [N]
2.550
4400
10.000
19.200
Friction diameter [mm] DR=
DA - 46
DA - 51
DA - 66
DA - 76
1)2) Braking torque [Nm] at DA= 200
200
-
-
-
DA= 250
260
440
-
-
DA= 300
330
550
1.170
-
DA= 355
400
670
1.450
-
DA= 430
490
830
1.820
3.400
DA= 520
610
1030
2.270
4.260

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 16
DA= 630
750
1270
2.820
5.320
DA= 710
850
1450
3.220
6.090
Clamping force, adjustable [%]
60-100
60-100
70-100
70-100
Loss in Braking Force per mm spring
preload reduction [N]
80
175
285
420
3) Distance S [mm]
18,5
17
22
28
1) Braking force and braking torque is calculated with a theoretical friction coefficient of 0,4 and 100%
clamping force.
2) DA= Outer diameter of the brake disc in mm.
3) With the distance S, 100% clamping force is achieved.
Tab. 8.4
Fig. 8.5
8.6 Manual brake release
The brake closes electromagnetically and can be opened easily by disconnecting the supply volt-
age. For the size 018 consider the instructions in chapter 8.4 on page 15.
9. Commissioning
After working through the chapter 8 the brake is ready for operation.
10. Disassembling the brake
Danger to life and limb!
When disassembling the brake, it is essential to ensure that the entire
drive train is secured against inadvertent activation. Rotating components
can cause severe injuries. Therefore, rotating components (e.g. brake
discs) must be secured against accidental contact.
Attention - SIZE 018 !!
Do not remove the cables between the brake and the electronics as long as the
brake is energized, this will destroy the magnet! (see figure 8.3).

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 17
Attention!
Take care, that the electric supply cable is currentless.
Remove the plug Pos. 38 from the brake.
Attention!
Secure the brake for disassembly
Remove the screws used to hold the brake in place. The brake can now be removed from the
mounting surface.
11. Maintenance
11.1 General maintenance
Maintenance must be performed on the brake at intervals of 4 weeks up to once a year, depend-
ing upon the operating load.
Perform the following checks during every maintenance operation:
Check brake pads for wear.
Check the air gap between the brake pad and the brake disk.
Check the bolt connection between the brake pad and the machine component as well as the
bolt connections for the retaining plates for tightness.
Check the electric supply cables (sight check)
11.2 Brake pad adjustment, permissable brake pad wear and brake pad replacement
Danger to life and limb!
Brake pads may be replaced only when the equipment system and/or the work-
ing machine is at a complete standstill!
Attention!
Brake pads must not be worn to a residual thickness (mounting plate thickness
plus remaining pad material). Brake pads must always be replaced in pairs.
Only original RINGSPANN brake pads may be used

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 18
Brake pad wear adjustment:
To counter brake pad wear you can adjust the distance between brake pad and brake disc with
set screws Pos. 41 and Pos. 17 (see Fig. 8.1 or 8.2). The gap between brake disc and brake pad
on each side should be 0,2 …0,4 mm. The maximum allowable distance between brake disk and
brake pad without adjustment is 0,6mm. A greater gap will reduce braking force up to a complete
loss of braking force. Consider the maximum permissible wear of the brake pads (see table 11.1).
After the adjustment of the gap between brake disc and brake pad, lock the set screw Pos. 41
and Pos. 17 with the locking nut Pos. 16 and Pos. 40 (see Fig. 8.1 or 8.2).
Attention!
The gap between brake disc and brake pad on each side should be 0,2 ..0,3
mm. The maximum allowable distance between brake disk and brake pad with-
out adjustment is 0,6mm. A greater gap will reduce braking force up to a com-
plete loss of braking force. Consider the maximum permissible wear of the brake
pads (see table 11.1).
Size 018
Residual thickness1)
Brake disc thickness from 8 …11mm and 16 … 17 mm
9 mm
Brake disc thickness from >11 …15 mm and >17 … 20 mm
7 mm
Size 024
Residual thickness1)
Brake disc thickness 10mm and 18 …19 mm
13 mm
Brake disc thickness from >10 … 16 mm and >19 …26 mm
11 mm
Size 028
Residual thickness1)
Brake disc thickness 10mm and 18 …19 mm
17 mm
Brake disc thickness from >10 … 16 mm and >19 … 26 mm
13 mm
Size 038
Residual thickness1)
Brake disc thickness from 22 …23 mm
17 mm
Brake disc thickness from 12,5 … 20 mm and >23 …30 mm
15 mm
1) Residual thickness = backplate of the brake pad + residual brake pad
Tab. 11.1
Brake pad replacement:
Before replacing the brake pads Pos. 1, ensure that the mass held by the brake is secured to
prevent movement, as parts of the brake must be loosened/removed for replacement.
Switch off the electric current and remove the plug Pos. 38 from the brake.
Remove all tension springs Pos.5 and one of two retainig plates Pos. 6 each side, see Fig. 11.1

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 19
Pull out the old brake pads and screw out the set screws Pos. 17 and Pos. 41, Fig. 8.1, so that
the new brake pads can easily inserted. Take care, that the chamfer on the brake pad is on the
outer diameter of the brake disc and the friction material of the brake pad is on the brake disc
side. Fasten the retaining plates again (tightening torque, see table 11.1).
Fig. 11.1
Size 018
Size 024
Size 028
Size 038
Screw
M6-8.8
M8-8.8
M10-8.8
M12-8.8
Tightening torques 1)
11 Nm
27 Nm
54 Nm
93 Nm
1) Screw secured with Loctite 243.
Tab. 11.1
After replacing the brake pads, you have to adjust the air gap between the brake disc and the
brake pad. See the first steps in this chapter. After replacing the brake pads remember the chap-
ter 8.5. The entire surface of both brake pads must be in contact with the brake disc in order to
achieve the optimum braking effect. The brake pads must also be heated briefly to approx.
200°C. Therefore, multiple brief braking operations under low spring force and rotating brake disc
are required to heat the brake pads.
12. Accessories: switches for brake closed, brake open and brake pad wear adjustment
Necessary (Option)
12.1 Installing and connecting the inductive proximity switches for brake closed, brake open and
brake pad wear adjustment necessary
Danger to life and limb!
The inductive proximity switch may be installed and/or replaced only when the
equipment system and/or working machine is at a complete standstill!

Installation and Operating Instructions for
Brake EV/EH 018/024/028/038 EFM –240M/480M
Electromagnetically activated- Spring released
E 09.768e
issue: 23.01.2020
version: 2
drawn.: MAYA
checked.: EISF
pages: 23
page: 20
Danger!
When switching the brake, the lever Pos. 29 and the spring compressor Pos. 27
will move very fast.
You have to go through chapter 8 first, before you can assemble the inductive proximity switch.
The assembly of the inductive proximity switch is only possible after the brake is assembled and
the air gap between brake pad and brake disc is set correctly (see chapter 8 and 9).
To indicate „Brake open“, „Brake closed“ or “Brake pad adjustment necessary” a inductive prox-
imity switch for each request is to assemble.
The inductive proximity switch is part of the sensor kit and supplied loose as accessory. The sen-
sor kit consists of an inductive proximity switch with two fastening nuts, a fastening sheet metal
and fastening screws and washers.
On the brake housing you can find threads to fasten the fastening sheet metal (see Fig. 12.1). On
the metal sheet you have different assembling possibilities for “Brake open”, “Brake closed” and
“Brake pad wear adjustment necessary” (see Fig. 12.2). You always get a “high-signal” for each
brake status. With one sensor kit you can detect only one brake status, for further signals you
have to order another proximity switch in NC or NO version (see figure 12.2; 12.3 and 12.4). For
sensor kits with more than one sensor or for special requirements, such as other voltage ranges
or low temperatures below -25°C, please contact RINGSPANN.
Sensor kit:
size 018
Brake open (NO)
3500-112004-000000
Brake closed (NC)
3500-112005-000000
Adjust brake pad wear (NC)
3500-112005-000000
size 024
Brake open (NO)
3500-112004-000000
Brake closed (NC)
3500-112005-000000
Adjust brake pad wear (NC)
3500-112005-000000
size 028
Brake open (NO)
3500-112002-000000
Brake closed (NO)
3500-112002-000000
Adjust brake pad wear (NO)
3500-112002-000000
size 038
Brake open (NO)
3500-112003-000000
Brake closed (NC)
3500-112008-000000
Adjust brake pad wear (NO)
3500-112003-000000
Tab.12.1
To adjust the inductive proximity switch for brake pad wear, you can increase the airgap between
brake disc and brake pad on each side to a value of 0,6mm. Then fasten the inductive proximity
switch in a way that the LED is almost glowing. Then reduce the airgap to 0,2 ..0,4mm again.
Switch on the brake, the LED must not glow after the brake is in open position.
Test the proper function by switching the brake. The LED of the proximity switch must glow, if the
brake status you want to detect is reached.
Fig. 12.1