| Note on application | Only for industrial use |
| Product type | Safety relays |
| Product family | PSRclassic |
| Application | Extension module |
| Control | 1-channel |
| Mechanical service life | 10x 106 cycles |
| Relay type | Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3 |
| Overvoltage category | III |
| Degree of pollution | 2 |
| Typical response time | typ. 40 ms (For Us autostart) |
| Typical release time | 50 ms (on demand via A1) |
| Restart time | < 1 s |
| Recovery time | Delay time +500 ms |
| Maximum power dissipation for nominal condition | 17 W (US = 26.4 V, IL² = 72 A², PTotal max = 2.6 W + 14.4 W) |
| Nominal operating mode | 100% operating factor |
| Rated insulation voltage | 250 V |
| Rated surge voltage/insulation | See section “Insulation coordination” |
| Description of the input | safety-related |
| Number of inputs | 1 |
| Input voltage range "1" signal | 20.4 V ... 26.4 V |
| Inrush current | max. 1 A |
| Filter time | 1 ms (Test pulse width of low test pulses) |
| Max. permissible overall conductor resistance | 50 Ω |
| Protective circuit | Suppressor diode |
| Current consumption | typ. 14 mA |
| Output description | 2 N/C contacts parallel, non-safety-related, floating |
| Number of outputs | 1 |
| Contact switching type | 2 N/C contacts in series |
| Contact material | AgSnO2 |
| Switching voltage | min. 10 V AC/DC |
| Switching capacity | min. 100 mW |
| Limiting continuous current | 1 A (observe derating) |
| Sq. Total current | 1 A2 (observe derating) |
| Switching frequency | max. 0.5 Hz |
| Output fuse | 1 A (gL/gG) |
| pluggable | yes |
| 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 |
| Status display | 2 x LED (green) |
| Operating voltage display | 1 x LED (green) |
| Width | 22.5 mm |
| Height | 112.2 mm |
| Depth | 114.5 mm |
| Color (Housing) | traffic grey B (RAL 7043) |
| Housing material | PA |
| Stop category | 1 |
| Category | 3 |
| Performance level (PL) | d |
| Safety Integrity Level (SIL) | 2 |
| Degree of protection | IP20 |
| Min. degree of protection of inst. location | IP54 |
| Ambient temperature (operation) | -20 °C ... 55 °C (observe derating) |
| Ambient temperature (storage/transport) | -40 °C ... 70 °C |
| Maximum altitude | ≤ 2000 m (Above sea level) |
| Max. permissible humidity (storage/transport) | 75 % (on average, 85% infrequently, non-condensing) |
| Max. permissible relative humidity (operation) | 75 % (on average, 85% infrequently, non-condensing) |
| Shock | 15g |
| Vibration (operation) | 10 Hz ... 150 Hz, amplitude 0.15 mm, 2g |
| Identification | CE-compliant |
| Mounting type | DIN rail mounting |
| Mounting position | vertical or horizontal |
| Rated control circuit supply voltage US | 24 V DC -15 % / +10 % |
| Rated control supply current IS | typ. 77 mA (at US) |
| Power consumption at US | typ. 1.85 W |
| Input voltage range "0" signal | 0 V DC ... 5 V DC |
| Input current range "0" signal | 0 mA ... 2 mA |
| Tightening torque | 0.5 Nm ... 0.6 Nm |
| Assembly note | See derating curve |
| Set comprises | 1397653 PSR-ME40-4NO-2NC-24DC-SC-SET35 |
| Designation | A1/A2 |
| Delay time range | 0.5 s ... 30 s ±40 % |
