SRB-E-201ST
SRB-E-201ST
- Plug-in screw terminals with coding
- STOP 0 Function
- 1 oder 2-channel control
- Start button / Auto-start
- 2 Safety outputs 5.5 A
- 1 Signalling output
- Monitoring two-hand control panels to EN ISO 13851
Ordering data
| Product type description |
SRB-E-201ST |
| Article number (order number) |
103008067 |
| EAN (European Article Number) |
4030661478456 |
| eCl@ss number, version 12.0 |
27-37-18-19 |
| eCl@ss number, version 11.0 |
27-37-18-19 |
| eCl@ss number, version 9.0 |
27-37-18-19 |
| ETIM number, version 7.0 |
EC001449 |
| ETIM number, version 6.0 |
EC001449 |
Approvals - Standards
| Certificates |
TÜV cULus CCC |
General data
| Standards |
EN IEC 62061 EN ISO 13849-1 EN IEC 60947-5-1 EN IEC 60947-5-3 EN IEC 60947-5-5 EN IEC 61508 EN IEC 60204-1 EN IEC 60947-1 |
| Climatic stress |
EN 60068-2-78 |
| Housing material |
Glass-fibre reinforced thermoplastic, ventilated |
| Gross weight |
130 g |
General data - Features
| Electronic Fuse |
Yes |
| Wire breakage detection |
Yes |
| Cross-circuit detection |
Yes |
| Removable Terminals |
Yes |
| Start input |
Yes |
| Feedback circuit |
Yes |
| Automatic reset function |
Yes |
| Reset edge detection |
Yes |
| Earth connection detection |
Yes |
| Integral system diagnostics, status |
Yes |
| Integral system diagnostics, error code |
Yes |
| Number of LEDs |
5 |
| Number of normally closed (NC) |
2 |
| Number of normally open (NO) |
1 |
| Number of safety digital outputs, Stop 0 |
2 |
| Number of signalling outputs |
1 |
| Safety classification |
| Standards |
EN ISO 13849-1 EN IEC 62061 EN IEC 61508 |
| Stop-Category |
0 |
| Safety classification - Fail-safe digital outputs |
| Performance Level, up to |
e |
| Category |
4 |
| PFH value |
2.66 x 10⁻⁹ /h |
| PFD value |
2.42 x 10⁻⁵ |
| Safety Integrity Level (SIL), suitable for applications in |
3 |
| Mission time |
20 Year(s) |
Mechanical data
| Mounting |
Snaps onto standard DIN rail to EN 60715 |
Mechanical data - Connection technique
| Terminal designations |
IEC/EN 60947-1 |
| Cable section, minimum |
0.25 mm² |
| Cable section, maximum |
2.5 mm² |
| Tightening torque of Clips |
0.5 Nm |
| Allowed type of cable |
solid single-wire flexible |
| Terminal (mechanical) |
Removable screw terminals |
Mechanical data - Dimensions
| Width |
22.5 mm |
| Height |
98 mm |
| Depth |
115 mm |
Ambient conditions
| Degree of protection of the enclosure |
IP40 |
| Degree of protection of the installation space |
IP54 |
| Degree of protection of clips or terminals |
IP20 |
| Ambient temperature |
-25 ... +60 °C |
| Storage and transport temperature |
-40 ... +85 °C |
| Note (Relative humidity) |
non-condensing |
| Resistance to vibrations |
10 ... 55 Hz, Amplitude 0.35 mm |
| Restistance to shock |
30 g / 11 ms |
Ambient conditions - Insulation values
| Rated impulse withstand voltage Uimp |
0.8 kV |
| Overvoltage category |
III |
| Degree of pollution |
2 |
Electrical data
| Operating voltage |
24 VDC -20 % / +20 % ((PELV) supply unit Imax 1.0 A, according to EN 60204 (power failure ≤ 20 ms)) |
| Ripple voltage |
10 % |
| Rated operating voltage |
24 VDC |
| Operating current |
100 mA |
| Rated AC voltage for controls at DC minimum |
19.2 VDC |
| Rated control voltage at DC, maximum |
28.8 VDC |
| Electrical power consumption |
2.4 W |
| Drop-out delay in case of power failure, typically |
10 ms |
| Drop-out delay in case of emergency, typically |
10 ms |
| Pull-in delay at automatic start, maximum, typically |
150 ms |
| Pull-in delay at RESET, typically |
150 ms |
| Switching frequency, maximum |
1 Hz |
Electrical data - Safety digital outputs
| Voltage drop Ud, maximum |
0.5 V |
| Leakage current Ir, maximum |
1 mA |
| Voltage, Utilisation category DC-12 |
24 VDC |
| Current, Utilisation category DC-12 |
5.5 A |
| Voltage, Utilisation category DC-13 |
24 VDC |
| Current, Utilisation category DC-13 |
3.5 A |
Electrical data - Digital inputs
| Conduction resistance, maximum |
40 Ω |
Electrical data - Digital Output
| Voltage, Utilisation category DC-12 |
24 VDC |
| Current, Utilisation category DC-12 |
0.1 A |
Electrical data - Electromagnetic compatibility (EMC)
| EMC rating |
EMC-Directive |
Status indication
| Indicated operating states |
Internal operating voltage Ui Baustein-Status Fault codes |
Other data
| Note (applications) |
Safety sensor hinged safety guard Emergency-Stop button Pull-wire emergency stop switches Safety light curtain Two-hand control panels |
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Datasheet
Operating instructions and Declaration of conformity
UL Certificate
CCC certification
TÜV certification
Brochure
SISTEMA-VDMA library
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Product picture (catalogue individual photo)
ID: ksrb2f36
| 1.0 MB | .jpg | 281.869 x 655.8140000000001 mm - 799 x 1859 px - 72 dpi
| 121.8 kB | .png | 74.083 x 172.156 mm - 210 x 488 px - 72 dpi
| 45.0 kB | .jpg | 52.917 x 123.47200000000001 mm - 150 x 350 px - 72 dpi
| 36.2 kB | .png | 74.083 x 74.083 mm - 210 x 210 px - 72 dpi
| 12.1 MB | .png | 169.333 x 393.954 mm - 2000 x 4653 px - 300 dpi
| EU Declaration of Conformity | ![]() |
| Original | K.A. Schmersal GmbH & Co. KG Möddinghofe 30 42279 Wuppertal Germany Internet: www.schmersal.com |
| Declaration: | We hereby certify that the hereafter described components both in their basic design and construction conform to the applicable European Directives. |
| Name of the component: | SRB-E-201LC SRB-E-201ST SRB-E-301ST |
| Type: | See ordering code |
| Description of the component: | Relay safety combination for emergency-stop circuits, safety guard monitoring, magnetic safety switches, safety mats, two-hand controls and AOPDs |
| Relevant Directives: | Machinery Directive | 2006/42/EC |
| EMC-Directive | 2014/30/EU | |
| RoHS-Directive | 2011/65/EU |
| Applied standards: | EN ISO 13851:2019 EN ISO 13849-1:2023 EN ISO 13849-2:2012 IEC 61508 parts 1-7:2010 |
| Notified body for Type Examination: | TÜV Rheinland Industrie Service GmbH Am Grauen Stein, 51105 Köln ID n°: 0035 |
| EC-Type Examination Certificate: | 01/205/5635.01/25 |
| Person authorised for the compilation of the technical documentation: | Oliver Wacker Möddinghofe 30 42279 Wuppertal |
| Place and date of issue: | Wuppertal, September 23, 2025 |
![]() |
| Authorised signature Philip Schmersal Managing Director |
| UK Declaration of Conformity | ![]() |
| Company: | K.A. Schmersal GmbH & Co. KG Möddinghofe 30 42279 Wuppertal Germany Internet: www.schmersal.com |
| Declaration: | We hereby, under sole responsibility, certify that the hereafter described components both in their basic design and construction conform to the relevant statutory requirements, regulations and designated standards of the United Kingdom. |
| Name of the component: | SRB-E-201LC SRB-E-201ST SRB-E-301ST |
| Type: | See ordering code |
| Description of the component: | Relay safety combination for emergency-stop circuits, safety guard monitoring, magnetic safety switches, safety mats, two-hand controls and AOPDs |
| Relevant legislation: | Supply of Machinery (Safety) Regulations | 2008 |
| Electromagnetic Compatibility Regulations | 2016 | |
| The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations | 2012 |
| Designated standards: | EN ISO 13851:2019 EN ISO 13849-1:2015 EN ISO 13849-2:2012 EN 62061:2005 + AC:2010 + A1:2013 + A2:2015 IEC 61508 parts 1-7:2010 |
| Notified body, which approved the full quality assurance system, referred to in Appendix X, 2006/42/EC: | TÜV Rheinland Industrie Service GmbH Am Grauen Stein 51105 Köln ID n°: 0035 |
| UK-Importer / Person authorised for the compilation of the technical documentation: | Schmersal UK Ltd. Paul Kenney Unit 1, Sparrowhawk Close Enigma Business Park Malvern, Worcestershire, WR14 1GL |
| Place and date of issue: | Wuppertal, March 14, 2023 |
![]() |
| Authorised signature Philip Schmersal Managing Director |
K.A. Schmersal GmbH & Co. KG, Möddinghofe 30, 42279 Wuppertal
The details and data referred to have been carefully checked. Images may diverge from original. Further technical data can be found in the manual. Technical amendments and errors possible.
Generated on: 13/03/2026, 11:05


