- Suitable for the signal processing of outputs with contact sensors
- Drop-out delay can be set between 0,4 to 1,5 s
- 3 safety contacts, STOP 1
- 1 Signalling output
- Suitable for the signal processing of outputs with contact sensors
- Suitable for signal processing of outputs connected to potentials (AOPDs), e.g. safety light grids/curtains
Ordering data
Product type description | SRB031MC-24V/1,1SEC |
Article number (order number) | 101190685 |
EAN (European Article Number) | 4250116202256 |
eCl@ss number, Version 9.0 | 27-37-18-19 |
eCl@ss number, Version 11.0 | 27-37-18-19 |
ETIM number, version 6.0 | EC001449 |
Approval - Standards
Certificates | TÜV cULus EAC |
General data
Standards | IEC 61508 IEC/EN 60204-1 EN 60947-5-1 EN ISO 13849-1 |
Climatic stress | EN 60068-2-78 |
Enclosure material | Glass-fibre reinforced thermoplastic, ventilated |
Material of the contacts, electrical | AgSn0, Ag-Ni, self-cleaning, positive drive |
Gross weight | 250 g |
General data - Features
Stop-Category | 0 1 |
Electronic Fuse | Yes |
Wire breakage detection | Yes |
Short-circuit recognition | Yes |
Start input | Yes |
Feedback circuit | Yes |
Automatic reset function | Yes |
Earth connection detection | Yes |
Integral System Diagnostics, status | Yes |
Number of LEDs | 4 |
Number of openers | 2 |
Number of safety contacts | 3 |
Number of signalling outputs | 1 |
Safety appraisal
Standards | IEC 61508 EN ISO 13849-1 |
Safety appraisal - Relay outputs
Performance level, stop 1, up to | d |
Category, Stop 1 | 3 |
Diagnostic Coverage (DC) Level, Stop 1 | >, 60 |
PFH-Value Stop 1 | 2.00 x 10⁻⁷ /h |
Safety Integrity Level (SIL), Stop 0, suitable for applications in | 3 |
Mission time | 20 Year(s) |
Common Cause Failure (CCF), minimum | 65 |
Mechanical data
Mechanical life, minimum | 10,000,000 Operations |
Mounting | Snaps onto standard DIN rail to EN 60715 |
Mechanical data - Connection technique
Terminal Connector | Screw connection rigid or flexible |
Terminal designations | IEC/EN 60947-1 |
Cable section, minimum | 0.25 mm² |
Cable section, maximum | 2.5 mm² |
Tightening torque of Clips | 0.6 Nm |
Mechanical data - Dimensions
Width | 22.5 mm |
Height | 100 mm |
Depth | 121 mm |
Ambient conditions
Degree of protection of the enclosure | IP40 |
Degree of protection of the mounting space | IP54 |
Degree of protection of clips or terminals | IP20 |
Ambient temperature, minimum | -25 °C |
Ambient temperature, maximum | +60 °C |
Storage and transport temperature, minimum | -40 °C |
Storage and transport temperature, maximum | +85 °C |
Resistance to vibrations to EN 60068-2-6 | 10 ... 55 Hz, Amplitude 0.35 mm |
Restistance to shock | 30 g / 11 ms |
Ambient conditions - Insulation value
Rated impulse withstand voltage Uimp | 4 kV |
Overvoltage category | III |
Degree of pollution to IEC/EN 60664-1 | 2 |
Electrical data
Frequency range | 50 Hz 60 Hz |
Rated operating voltage | 24 VDC-15% / +20% residual ripple max. 10% 24 VAC-15% / +10% |
Rated AC voltage for controls, 50 Hz, minimum | 20.4 VAC |
Rated control voltage at AC 50 Hz, maximum | 26.4 VAC |
Rated AC voltage for controls, 60 Hz, minimum | 20.4 VAC |
Rated control voltage at AC 60 Hz, maximum | 26.4 VAC |
Rated AC voltage for controls at DC minimum | 20.4 VDC |
Rated control voltage at DC, maximum | 28.8 VDC |
Electrical power consumption | 2 W |
Electrical power consumption | 4.9 VA |
Contact resistance, maximum | 0.1 Ω |
Note (Contact resistance) | in new state |
Drop-out delay in case of power failure, typically | 1,100 ms |
Drop-out delay in case of emergency, typically | 1,100 ms |
Pull-in delay at automatic start, maximum, typically | 100 ms |
Pull-in delay at RESET, typically | 100 ms |
Electrical data - Safe relay outputs
Voltage, Utilisation category AC15 | 230 VAC |
Current, Utilisation category AC-15 | 6 A |
Voltage, Utilisation category DC13 | 24 VDC |
Current, Utilisation category DC13 | 6 A |
Switching capacity, minimum | 10 VDC |
Switching capacity, minimum | 10 mA |
Switching capacity, maximum | 250 VAC |
Switching capacity, maximum | 8 A |
Electrical data - Digital inputs
Conduction resistance, maximum | 40 Ω |
Electrical data - Relay outputs (auxiliary contacts)
Switching capacity, maximum | 24 VDC |
Switching capacity, maximum | 2 A |
Electrical data - Electromagnetic compatibility (EMC)
EMC rating | EMC-Directive |
Status indication
Indicated operating states | Position relay K2 Position relay K1 Internal operating voltage Ui |
Other data
Note (applications) | Safety sensor Guard system Emergency-Stop button Pull-wire emergency stop switches Safety light curtain |