Level 1: Reset without edge detection, Optional Automatic reset function, Level 2: / Opener (NC) Normally open contact (NO)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
| Replacement article number | 101175605 |
| Product type description | SRB202CA 24VDC |
| Article number (order number) | 101176197 |
| EAN (European Article Number) | 4250116201969 |
| 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 |
| Available until | 31.12.2024 |
| cULus |
| 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 | 235 g |
| Electronic Fuse | Yes |
| Wire breakage 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 | 2 |
| Number of inputs for NC | 3 |
| Number of inputs for NO | 1 |
| Number of LEDs | 6 |
| Number of safety contacts | 2 |
| Safety classification |
| Standards | EN IEC 60947-5-1 EN IEC 61508 |
| Stop-Category | 0 |
| Safety classification - Relay outputs |
| Performance Level, stop 0, up to | e |
| Category, Stop 0 | 4 |
| Diagnostic Coverage (DC) Level, Stop 0 | ≥ 99 % |
| PFH value, Stop 0 | 2.00 x 10⁻⁸ /h |
| Safety Integrity Level (SIL), Stop 0, 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 rail to EN 60715 |
| Terminal designations | IEC/EN 60947-1 |
| Termination | rigid or flexible Screw terminals M20 x 1.5 |
| Cable section, minimum | 0.25 mm² |
| Cable section, maximum | 2.5 mm² |
| Tightening torque of Clips | 0.6 Nm |
| Width | 22.5 mm |
| Height | 100 mm |
| Depth | 121 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 ... +45 °C |
| Storage and transport temperature | -40 ... +85 °C |
| Resistance to vibrations | 10 ... 55 Hz, Amplitude 0.35 mm |
| Restistance to shock | 10 g / 11 ms |
| Rated impulse withstand voltage Uimp | 4 kV |
| Overvoltage category | III |
| Degree of pollution | 2 |
| Operating voltage | 24 VDC -10 % / +20 % |
| Ripple voltage | 10 % |
| Rated operating voltage | 24 VDC |
| Rated AC voltage for controls at DC minimum | 20.4 VDC |
| Rated control voltage at DC, maximum | 28.8 VDC |
| Electrical power consumption | 4.4 W |
| Contact resistance, maximum | 0.1 Ω |
| Note (Contact resistance) | in new state |
| Drop-out delay in case of power failure, typically | 80 ms |
| Drop-out delay in case of emergency, typically | 20 ms |
| Pull-in delay at automatic start, maximum, typically | 100 ms |
| ON delay at automatic start | Adjustable |
| Pull-in delay at RESET, typically | 20 ms |
| Material of the contacts, electrical | Ag-Ni, self-cleaning, positive drive |
| Voltage, Utilisation category AC-15 | 250 VAC |
| Current, Utilisation category AC-15 | 6 A |
| Voltage, Utilisation category DC-13 | 24 VDC |
| Current, Utilisation category DC-13 | 6 A |
| Switching capacity, minimum | 10 VDC |
| Switching capacity, minimum | 10 mA |
| Switching capacity, maximum | 250 VAC |
| Switching capacity, maximum | 8 A |
| Conduction resistance, maximum | 40 Ω |
| Switching capacity, maximum | 24 VDC |
| Switching capacity, maximum | 2 A |
| EMC rating | EMC-Directive |
| Indicated operating states | Position relay K2 Position relay K1 Internal operating voltage Ui Position relay K3 |
| Note (applications) | Safety sensor Guard system Pull-wire emergency stop switches Emergency stop button |
| Note (General) | Inductive loads (e.g. contactors, relays, etc.) are to be suppressed by means of a suitable circuit. |
| Note (Cross-circuit detection) | Level 1 |
| Note (Wiring diagram) | The wiring diagram is shown with guard doors closed and in de-energised condition. Relay outputs: Suitable for 2 channel control, for increase in capacity or number of contacts by means of contactors or relays with positive-guided contacts. The control recognises cross-short, cable break and earth leakages in the monitoring circuit. Input level: the example shows a 2-channel control of an Emergency Stop command device (level 1) with external reset button (R), and guard door monitoring (level 2) with feedback circuit (H2). Automatic start (level 1): The automatic start is programmed by connecting the feedback circuit to the terminals X1/+24 V DC. Automatic start (level 2): The automatic start is programmed by connecting the feedback circuit to the terminals X2/+24 V DC. If the feedback circuit is not required, establish a bridge. 1 NC contact each time communicates the status of level 1 and level 2 |
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