Features at a Glance
- Installation width just 22,5 mm
- Clear terminal assignment thanks to coding pins
- Circuit diagram directly on the housing
- Optional cross-circuit monitoring
- 0.1…30 s off-delay
SR4D3B01S Safety Relay Basic Module
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The safety relay monitors emergency stop switches, safety switches and AOPDs. In spite of its installation width spanning just 22,5 mm, it offers space for switching status displays and attaching an operating equipment label.
Electrical Data | |
|---|---|
| Supply Voltage | 20.4 ... 28.8V DC |
| Supply Voltage | 20.4 ... 26.4V AC |
| Input wiring | 1-, 2-channel |
| Response time (automatic start) | 120ms |
| Response time (monitored start) | 25ms |
| Fall time (emergency stop) | < 20ms |
| Off-Delay | 0.1 ... 30s |
| Temperature Range | -25 ... 60°C |
| Storage temperature | -40 ... 85°C |
| Number of Safety Outputs stop 0 | 2 |
| Number of Safety Outputs stop 1 | 1 |
| Switching current safety output (250 V AC) | 8A |
| Number of Signal Outputs | 1 |
| Switching current signal output (24 V DC | 100mA |
Mechanical Data | |
|---|---|
| Housing Material | Plastic |
| Degree of Protection | IP20 |
| Connection | Screw Clamp (pluggable) |
| Clampable Wire Cross-Section | 0.2 ... 2.5mm² |
| DIN-Rail mounting | 35mm |
| Weight | 314g |
Safety-relevant Data | |
|---|---|
| Performance Level (EN ISO 13849-1), Stop 0 | up to Cat. 4 PL e |
| Performance Level (EN ISO 13849-1), Stop 1 | up to Cat. 3 PL d |
| Mission Time TM (EN ISO 13849-1) | 20a |
| Safety integrity level (EN 61508) Stop 0 | up to SIL 3 |
| Safety integrity level (EN 61508) Stop 1 | up to SIL 2 |
| Stop Category (EN 60204-1) | 0 / 1 |
| B10d Switching Cycles (mechanical) | 20 000 000 |
| B10d Switching Cycles (40 % load) | 7 500 000 |
| B10d Switching Cycles (60 % load) | 2 500 000 |
| B10d Switching Cycles (80 % load) | 1 000 000 |
| B10d Switching Cycles (100 % load) | 400 000 |
General Data | |
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| Scope of delivery |
Function | |
|---|---|
| Cross-circuit detection | optional |
| Start, monitored | yes |
| Start, automatically | yes |
| Contactor Monitoring | yes |
| Input signal NC | yes |
| Input signal OSSD | yes |
Standards and certificates |
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Connection Table |
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Ctrl. Panel |
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68 = Power LED
71 = Channel 1 87 = Channel 2 89 = Internal operating voltage 90 = Delayed release channel 3 91 = Delayed release channel 4 |
Dimensioned Picture |
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Dimensions specified in mm (1 mm = 0.03937")
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Complementary Products |
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ECAD data
