1 signal contact in seriesSuitable for applications up to Cat. 4 / PL e und up to SIL 31 or 2 channel signal evaluationStart / feedback circuit monitoringOptionally with short-circuit recognition3 safety contacts, stop category 0
| Product type description | SRB-E-301MC20 |
| Article number (order number) | 103026799 |
| EAN (European Article Number) | 4030661517285 |
| 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 |
| TÜV cULus CCC |
| 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 | 175 g |
| Electronic Fuse | Yes |
| Wire breakage detection | Yes |
| Cross-circuit detection | Yes |
| Removable Terminals | Yes |
| Start input | Yes |
| Feedback circuit | Yes |
| Automatic reset function | Yes |
| Earth connection detection | Yes |
| Integral system diagnostics, status | Yes |
| Number of auxiliary contacts | 1 |
| Number of LEDs | 5 |
| Number of normally closed (NC) | 2 |
| Number of Safety contacts, STOP 0 | 3 |
| Safety classification |
| Standards | EN ISO 13849-1 EN IEC 62061 EN IEC 61508 |
| Stop-Category | 0 |
| Safety classification - Relay outputs |
| Performance Level, up to | e |
| Category | 4 |
| Diagnostic Coverage (DC) Level | > 99 % |
| PFH value | 6.00 x 10⁻⁹ /h |
| PFD value | 4.00 x 10⁻⁵ |
| Safety Integrity Level (SIL), suitable for applications in | 3 |
| Mission time | 20 Year(s) |
| Common Cause Failure (CCF), minimum | 65 |
| Mechanical life, minimum | 10,000,000 Operations |
| Mounting | Snaps onto standard DIN rails to IEC 60715 |
| Terminal designations | IEC 60947-1 |
| Termination | rigid or flexible Screw connection, plug-in |
| Cable section, minimum | 0.25 mm² |
| Cable section, maximum | 2.5 mm² |
| Tightening torque of Clips | 0.5 Nm |
| Width | 22.5 mm |
| Height | 98 mm |
| Depth | 115 mm |
| 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 | -25 ... +60 °C |
| Storage and transport temperature | -40 ... +85 °C |
| Resistance to vibrations | 10 ... 55 Hz, Amplitude 0.35 mm |
| Restistance to shock | 30 g / 11 ms |
| Rated impulse withstand voltage Uimp | 4 kV |
| Overvoltage category | III |
| Degree of pollution | 2 |
| Frequency range | 50 Hz 60 Hz |
| Operating voltage | 24 VAC -15 % / +10 % |
| Ripple voltage | 10 % |
| Rated operating voltage | 24 VAC |
| Rated operating voltage | 24 VDC |
| 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 | 2.9 W |
| Electrical power consumption | 5 VA |
| Contact resistance, maximum | 0.1 Ω |
| Note (Contact resistance) | in new state |
| Drop-out delay in case of power failure, typically | 50 ms |
| Drop-out delay in case of emergency, typically | 20 ms |
| Pull-in delay at automatic start, maximum, typically | 100 ms |
| Pull-in delay at RESET, typically | 20 ms |
| Switching frequency, maximum | 0.3 Hz |
| Material of the contacts, electrical | Ag-Ni, self-cleaning, positive drive |
| Voltage, Utilisation category AC-15 | 230 VAC |
| Current, Utilisation category AC-15 | 4 A |
| Voltage, Utilisation category DC-13 | 24 VDC |
| Current, Utilisation category DC-13 | 4 A |
| Switching capacity, minimum | 10 VDC |
| Switching capacity, minimum | 10 mA |
| Switching capacity, maximum | 250 VAC |
| Switching capacity, maximum | 6 A |
| Conduction resistance, maximum | 40 Ω |
| Switching capacity, maximum | 24 VDC |
| Switching capacity, maximum | 1 A |
| EMC rating | EMC-Directive |
| Indicated operating states | Position relay K2 Position relay K1 Internal operating voltage Ui UB: Supply voltage on |
| Note (applications) | Safety sensor Guard system hinged safety guard Emergency-Stop button Pull-wire emergency stop switches Safety light curtain Safety light barriers |
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