
Euchner 157549E | CEM-I2-AY-U-C40-LZ-SA-157549 : Safety Switch
The CEM-I2-AY-U-C40-LZ-SA-157549 is a robust safety switch designed to ensure the safety of machinery by preventing accidental operation.
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| Attribute | Value |
|---|---|
| Rated insulation voltage Ui: | 30 V |
| Rated impulse voltage Uimp: | 0.5 kV |
| Connection Type: | Plug connector M12, 8-pin |
| Installation Orientation: | any |
| Degree of protection: | IP65/IP67(When inserted and secured) |
| Ambient temperature: | -20 … +55 °C |
| Item designation: | CEM-I2-AY-U-C40-LZ-SA-157549 |
| Gross weight: | 0,757kg |
| ECLASS: | 27-27-24-05 Safety-related transponder switch with guardlocking |
| Turn-on time: | 700 … 2500 ms(Guard locking active) |
| EMC protection requirements: | Acc. to EN IEC 60947-5-3 |
| Risk time according to EN 60947-5-3: | max. 260 ms |
| Safety Class: | III |
| Degree of contamination (external, according to EN 60947-1): | 3 |
| Output Type: | Semiconductor outputs, p-switching, short circuit-proof |
| Rated Conditional Short-circuit Current: | 100 A |
| Discrepancy time: | max. 10 ms |
| Off-state Current Ir: | max. 0.25 mA |
| Test Pulse Duration: | max. 0.8 ms |
| Ready Delay: | 12 s |
| Shock And Vibration Resistance: | Acc. to EN IEC 60947-5-3 |
| Secured Switch-off Distance Sar: | 18 mm |
| Performance Level: | PL e |
| Category: | 4 |
| PFHD: | 4.5 x 10-9 |
| Mission time: | 20 y |
| Electrical switching frequency: | 0.5 Hz |
| Product Number | Variant Description |
|---|---|
| CEM-I2-AY-U-C40-LZ-SA-157549 : Safety Switch | (No others) |




