Level 1: Reset without edge detection, Optional Automatic reset function, Level 2:
Opener (NC) Opener (NC)
Two-functions safety monitoring module (double evaluation)
2 enabling paths with different shut-down behaviour, e.g. emergency exit opens both enabling paths (level 1); guard door monitoring only opens the second enabling path (level 2)
Suitable for signal processing of potential-free contacts, e.g. Emergency Stop command devices (level 1), position switches with safety function, solenoid interlocks and safety sensors (level 2)
2 Signalling outputs

SKU

4250116201914
Manufacturer code

101176208
Current, Switching capacity, Relay, (Auxiliary contacts), maximum

2 A
Current, Switching capacity, Safe relay outputs, maximum

8 A
Current, Switching capacity, Safe relay outputs, minimum

10 mA
Current, Utilisation category AC-15, Safe relay outputs

6 A
Current, Utilisation category DC-13, Safe relay outputs

6 A
Type of Execution, Degree of pollution IEC/EN 60664-1

2
Type of Execution, IP Protection class, Clearance

IP54
Type of Execution, IP Protection class, General

IP40
Type of Execution, IP Protection class, clips or terminals

IP20
Type of Execution, Mechanical life, minimum,

10000000 Operations
Type of execution, mounting

Snaps onto standard DIN rail to EN 60715
Type of Execution, Overvoltage category IEC/EN 60664-1

III
Depth, General

121 mm
Height, General

100 mm
Width, General

22.5 mm
Electrical data, Cable section, maximum

2.5 mm²
Electrical data, Conduction resistance, maximum

40 Ω
Electrical data, Contact resistance, maximum

0.1 Ω
Material, contacts, electrical

Ag-Ni, self-cleaning, positive drive
Housing material

Glass-fibre reinforced thermoplastic, ventilated
Standard, EMC rating

EMC-Directive
Standard, standards

EN IEC 60947-5-1
EN ISO 13849-1
EN IEC 60204-1
EN IEC 60947-5-3
EN IEC 62061
EN IEC 60947-5-5
EN IEC 60947-1
EN IEC 61508
Note, contact resistance

in new state
Note, General

Inductive loads (e.g. contactors, relays, etc.) are to be su
Note, applications

Safety sensor
Guard system
Pull-wire emergency stop switches
Emergency stop button
Note, Wiring diagram

The wiring diagram is shown with guard doors closed and in d
Relay outputs: Suitable for 2 channel control, for increase
The control recognises cross-short, cable break and earth le
Input level: the example shows a 2-channel control of an Eme
Automatic start (level 1): The automatic start is programmed
1 NC contact each time communicates the status of level 1 an
Number, LED's

6
Number, Safety contacts

2
PIM maintenance status

Discharge "Online catalog"
PNV, standard, certificates

cULus
Power, electrical consumption

4.4 W
Type of electric connection

Screw terminals M20 x 1.5
rigid or flexible
Review, Resistance to vibrations to EN 60068-2-6

10 ... 55 Hz, Amplitude 0.35 mm
Review, restistance to shock

10 g / 11 ms
Safety parameters, Mission time, Relay outputs

20 Year(s)
Safety parameter

EN IEC 61508
EN IEC 60947-5-1
Safety parameters, Stop-Category

0
SAP, basic quantity unit

Piece
SAP, EAN (European Article Number)

4250116201914
SAP, product group

Initial
SAP, gross weight

235.000 g
SAP, net weight

235.000 g
Indication, Operating state, LED

Position relay K2
Position relay K1
Internal operating voltage U<sub>i</sub>
Position relay K3
Temperature, Ambient temperature[generated product variant]

-25 ... +45 °C
Temperature, ambient temperature, maximum

45 °C
Temperature, ambient temperature, minimum

-25 °C
Temperature, storage and transport temperature,[generated product variant]

-40 ... +85 °C
Temperature, storage and transport temperature, maximum

85 °C
Temperature, storage and transport temperature, minimum

-40 °C
Time, Drop-out delay in case of emergency stop, typically

20 ms
Time, Drop-out delay in case of power failure, typically

80 ms
Time, Pull-in delay at automatic start, maximum, typically

100 ms
Time, Pull-in delay at RESET, typically

20 ms
Voltage, Rated impulse withstand voltage

4 kV
Voltage, rated operating voltage

24 VDC -15%/+20%, residual ripple max. 10%
Voltage, Switching capacity, Relay (auxiliary contacts), maximum

24 VDC
Voltage, Switching capacity, Safe relay outputs, maximum

250 VAC
Voltage, Switching capacity, Safe relay outputs, minimum

10 VDC
Voltage, type

DC
Voltage, Utilisation category AC-15, Safe relay outputs

250 VAC
Voltage, Utilisation category DC-13, Safe relay outputs

24 VDC
Web Type

Product range
Selection (Yes/No), Automatic reset function

Yes
Selection (Yes/No), Integral System Diagnostics, status

Yes
Selection, (Yes/No), Wire breakage detection

Yes
Type of application, Terminal designation

IEC/EN 60947-1
Standard, climatic stress

EN 60068-2-78
Tightening torque, torque, clips

0.6 Nm
Tolerance, operating voltage, DC, maximum

20 %
Tolerance, operating voltage, DC, minimum

-10 %
Voltage, Rated control voltage at DC, maximum

28.8 VDC
Voltage, Rated control voltage at DC, minimum

20.4 VDC
Voltage, rated operating voltage

24 VDC
Number, inputs for NC

2
Number, inputs for NO

2
Web, Delivery notice (date until)

2024-12-31
Selection (Yes/No), Earth connection detection

Yes
Selection (Yes/No), Feedback circuit

Yes
Electrical data, Cable section, minimum

0.25 mm²
Number, Auxiliary contacts

2
Selection (Yes/No), Electronic Fuse

Yes
Selection (Yes/No), Start input

Yes
Note, replacement article number

101177154
Safety parameters, Category, Stop 0

4
Safety parameters, Common Cause Failure (CCF), Relay outputs, minimum

65
Safety parameters Diagnostic Coverage (DC) Level, Stop 0

≥ 99 %
Safety parameters, Performance Level, stop 0

e
Safety values, PFH value Stop 0

0.00000002 /h
Safety parameters, Safety Integrity Level (SIL), stop 0

3
Selection (Yes/No), Removable Terminals

Yes
Note, Short-circuit recognition

Level 1
Time, Pull-in delay at automatic start

Adjustable

Manufacturer Schmersal
Need our help?

or call us at

An inquiry about SRB202CS 24VDC

Please enter your inquiry below and we'll get back to you as soon as possible.

Company

Your name

E-mail

Phone number

Message