Phoenix Contact Original 2963763 24 V DC Plug-in Screw Terminal Block PSR-SCP- 24UC/ESA4/3X1/1X2/B - Safety Relays
Safety relay for emergency stop and safety door monitoring up to SIL 3 or Cat. 4, PL e in accordance with EN ISO 13849, 2-channel operation, 3 enabling current paths, nominal input voltage: 24 V DC, plug-in screw terminal block
| Product type | Safety relays |
| Product family | PSRclassic |
| Application | Emergency stop |
| Safety door | |
| Control | 2-channel |
| Mechanical service life | approx. 107 cycles |
| Relay type | Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3 |
| Insulation characteristics | |
| Overvoltage category | III |
| Degree of pollution | 2 |
| Typical response time | typ. 150 ms (For Us autostart) |
| Typ. starting time with Us | typ. 250 ms (with Us / when controlled via A1) |
| Typical release time | typ. 20 ms (At Us on demand via sensor circuit) |
| typ. 45 ms (At Us/on demand via A1) | |
| Restart time | < 1 s (Boot time) |
| Recovery time | < 1 s (following demand of the safety function) |
| Maximum power dissipation for nominal condition | 16.44 W (US = 26.4 V, IL² = 72 A², PTotal max = 2.04 W + 14.4 W) |
| Nominal operating mode | 100% operating factor |
| Rated insulation voltage | 250 V |
| Rated surge voltage/insulation | See data sheet, section “Insulation coordination”. |





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