| Product type | Safety relays |
| Product family | PSRclassic |
| Application | Emergency stop |
| Safety door | |
| Control | 1 and 2 channel |
| Mechanical service life | approx. 107 cycles |
| Relay type | Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3 |
| Times | |
| Typical response time | < 140 ms (For Us manual, monitored start) |
| < 120 ms (For Us autostart) | |
| Typ. starting time with Us | < 200 ms (with Us / when controlled via A1) |
| Typical release time | < 20 ms (At Us on demand via sensor circuit) |
| < 50 ms (At Us/on demand via A1) | |
| Restart time | < 1 s (Boot time) |
| Recovery time | 500 ms (following demand of the safety function) |
| 250 ms (Availability time after activating the sensor circuit during manual start) | |
| Start pulse length | min. 500 ms (manual start) |
| Maximum power dissipation for nominal condition | 31.7 W (US = 26.4 V, IL² = 144 A², PTotal max = 2.9 W + 28.8 W) |
| Nominal operating mode | 100% operating factor |
| Rated insulation voltage | 250 V |
| Rated surge voltage/insulation | See data sheet, section “Insulation coordination”. |
| Supply | |
| Designation | A1/A2 |
| Rated control circuit supply voltage US | 24 V DC -15 % / +10 % |
| Rated control supply current IS | typ. 100 mA (at US) |
| Power consumption at US | typ. 2.4 W |
| Inrush current | typ. 3.5 A (with US, Δt = 2 ms) |
| Filter time | 2 ms (in the event of voltage dips at Us) |
| Protective circuit | Serial protection against polarity reversal; Suppressor diode |
| Digital: Sensor circuit (S10, S12, S22) | |
| Description of the input | safety-related |
| Number of inputs | 3 |
| Input voltage range “0” signal | 0 V DC … 5 V DC (S10, S12) |
| S22 open | |
| Input voltage range “1” signal | 20.4 V … 26.4 V (S10, S12) |
| 0 V … 0 V (S22) | |
| Input current range “0” signal | 0 mA … 2 mA (S10, S12) |
| Inrush current | max. 150 mA (Δt = 1 ms, with Us/Ix at S10) |
| max. 200 mA (Δt = 1 ms, with Us/Ix at S12) | |
| max. -180 mA (Δt = 1 ms, with Us/Ix at S22) | |
| Filter time | No brightness test pulses / high test pulses permitted. |
| max. 1.5 ms (Test pulse width, low test pulses (S10, S12) ) | |
| Test pulse rate = 5 x test pulse width, low test pulses (S10, S12) | |
| Concurrence | ∞ |
| Max. permissible overall conductor resistance | 11 Ω |
| Protective circuit | Suppressor diode |
| Current consumption | 50 mA (S10, S12) |
| -50 mA (S22) | |
| Digital: Start circuit (S34, S35) | |
| Description of the input | non-safety-related |
| Number of inputs | 2 |
| Input voltage range “1” signal | 20.4 V … 26.4 V |
| Inrush current | < 10 mA |
| Filter time | No test pulses permitted |
| Max. permissible overall conductor resistance | 50 Ω |
| Protective circuit | Suppressor diode |
| Current consumption | 0 mA (S34) |
| 1 mA (S35) | |
| Relay: Enabling current paths (13/14, 23/24, 33/34, 43/44, 53/54, 63/64, 73/74, 83/84) | |
| Output description | 2 N/O contacts each in series, safety-related, floating |
| Number of outputs | 8 |
| Contact switching type | 8 enabling current paths |
| Contact material | AgSnO2 |
| Switching voltage | min. 5 V AC/DC |
| max. 250 V AC/DC | |
| Switching power | min. 50 mW |
| Inrush current | min. 10 mA AC/DC |
| max. 6 A | |
| Switching capacity | 3 A (AC15) |
| 5 A (DC13) | |
| Limiting continuous current | 6 A (observe derating) |
| Sq. Total current | 144 A2 (observe derating) |
| Switching frequency | max. 0.5 Hz |
| Mechanical service life | 10x 106 cycles |
| Output fuse | 10 A gL/gG |
| 6 A gL/gG (Low demand) | |
| Relay: Signaling current path (91/92) | |
| Output description | 2 N/C contacts parallel, non-safety-related, floating |
| Number of outputs | 1 |
| Contact switching type | 1 signaling current path |
| Contact material | AgSnO2 |
| Switching voltage | min. 5 V AC/DC |
| max. 250 V AC/DC | |
| Switching power | min. 50 mW |
| Inrush current | min. 10 mA |
| max. 6 A | |
| Switching capacity | 1.5 A (AC15) |
| 5 A (DC13) | |
| Limiting continuous current | 6 A |
| Sq. Total current | 36 A2 |
| Switching frequency | max. 0.5 Hz |
| Mechanical service life | 10x 106 cycles |
| Output fuse | 6 A gL/gG |
| 4 A gL/gG (Low demand) | |
| Connection technology | |
| pluggable | yes |
| Conductor connection | |
| Connection method | Screw connection |
| Conductor cross-section rigid | 0.2 mm² … 2.5 mm² |
| Conductor cross-section flexible | 0.2 mm² … 2.5 mm² |
| Conductor cross-section AWG | 24 … 12 |
| Stripping length | 7 mm |
| Screw thread | M3 |
| Tightening torque | 0.5 Nm … 0.6 Nm |
| Item number | 2963912 |
| Model | PSR-SCP- 24UC/ESAM4/8X1/1X2 |
| Minimum order quantity | 1 pc |
| Product key | DNA114 |
| GTIN | 4017918899707 |
| Weight per piece (including packing) | 369.67 g |
| Weight per piece (excluding packing) | 339.64 g |
| Customs tariff number | 85371098 |
| Country of origin | DE |





