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| Product properties | Product type: Safety relays Product family: PSRclassic Set comprises: 1301404 PSR-ME20-3NO-1NC-24DC-SC-SET35 Application: Emergency stop Safety door Light grid Mechanical service life: approx. 107 cycles Relay type: Electromechanical relay with force-guided contacts in accordance with IEC/ENÃ61810-3 Times Typical response time: 200 ms (automatic start) 200 ms (manual, monitored start) Typ. starting time with Us: 200 ms (when controlled via A1) Typical release time: 25 ms (on demand via the sensor circuit) 60 ms (on demand via A1) Restart time: < 1 s (Boot time) Recovery time: < 500 ms (following demand of the safety function) |
| Electrical properties | Maximum power dissipation for nominal condition: 16.6 W (USÃ=Ã26.4ÃV, IL²Ã=Ã72ÃA², PTotalÃmaxÃ=Ã2.2ÃWÃ+Ã14.4ÃW) Nominal operating mode: 100% operating factor Air clearances and creepage distances between the power circuits Rated insulation voltage: 250 V Rated surge voltage/insulation: Basic insulation 4ÃkV between all output current paths Basic insulation 4ÃkV between all output current paths/logic paths and housing Safe isolation, reinforced insulation 6ÃkV between 250ÃVÃload current paths and 24ÃVÃlogic paths Supply Designation: A1/A2 Rated control circuit supply voltage US: 24 VÃDC -15Ã% / +10Ã% Rated control supply current IS: typ. 70 mA (at US) Power consumption at US: typ. 1.68 W Inrush current: < 5.2 A (typically with US, ÃâtÃ=Ã2Ãms) Filter time: 5 ms (in the event of voltage dips at Us) Protective circuit: Serial protection against polarity reversal; Suppressor diode |
| Input data | General Rated control supply current IS: typ. 70 mA (at US) Digital: Sensor circuit (S10, S12, S22) Description of the input: safety-related sensor inputs Number of inputs: 3 Input voltage range "0" signal: 0 VÃDC ... 5 VÃDC (S10, S12) Input voltage range "1" signal: 20.4 V ... 26.4 V Input current range "0" signal: 0 mA ... 2 mA Inrush current: < 100 mA (typically with US at S10/S12) > -100 mA (typically with US at S22) Filter time: 1 ms (Test pulse width of low test pulses) 1 s (Test pulse rate for low test pulse) No brightness test pulses / high test pulses permitted. Concurrence: âÃà ¾ Max. permissible overall conductor resistance: 50 é Protective circuit: Suppressor diode Current consumption: 38 mA (typically with US at S10/S12) -38 mA (typically with US at 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: < 7 mA (Typically with US at S34) < 8 mA (Typically with US at S35) Filter time: No test pulses permitted Max. permissible overall conductor resistance: 50 é Protective circuit: Suppressor diode Current consumption: 2 mA (Typically with US at S34) 3 mA (Typically with US at S35) |
| Output data | Relay: Enabling current paths (13/14, 23/24, 33/34) Output description: 2 N/O contacts each in series, safety-related, floating Number of outputs: 3 Contact switching type: 3 enabling current paths Contact material: AgSnO2 Switching voltage: min. 10 V AC/DC max. 250 VÃAC Switching capacity: min. 100 mW Inrush current: min. 10 mA max. 6 A Switching capacity in accordance with IEC 60947-5-1: 5 A (AC15) 6 A (DC13) Limiting continuous current: 6 A (Observe derating and load limit curve) Sq. Total current: 72 A2 (observe derating) Switching frequency: max. 0.5 Hz Mechanical service life: 10x 106 cycles Output fuse: 10 A gL/gG 4 A gL/gG (for low-demand applications) Relay: Signaling current path (41/42) Output description: 2 N/C contacts parallel, non-safety-related, floating Number of outputs: 1 Contact switching type: 2ÃNC parallel Contact material: AgSnO2 Switching voltage: min. 10 V AC/DC max. 250 VÃAC Switching capacity: min. 100 mW Inrush current: min. 10 mA max. 6 A Switching capacity in accordance with IEC 60947-5-1: 3 A (AC15) 2 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 |
| Connection data | 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 |
| Signaling | Status display: 2 x green LEDs Operating voltage display: 1 x green LED |
| Dimensions | Width: 22.5 mm Height: 112.2 mm Depth: 114.5 mm |
| Material specifications | Housing material: Polyamide |
| Characteristics | Safety data Stop category: 0 Safety data: ENÃISOÃ13849 Category: 3 Performance level (PL): d Safety data: IEC 61508 - High demand Safety Integrity Level (SIL): 2 Safety data: IEC 61508 - Low demand Safety Integrity Level (SIL): 2 Safety data: ENÃIEC 62061 Safety Integrity Level (SIL): 2 |
| Environmental and real-life conditions | Ambient conditions 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: ââ°¤ 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): 10ÃHzÃ...Ã150ÃHz, 2g |
| Approvals | CE Identification: CE-compliant |
| Standards and regulations | Air clearances and creepage distances between the power circuits Standards/regulations: DINÃENÃ60947-1 |
| Mounting | Mounting type: DIN rail mounting Assembly instructions: See derating curve Mounting position: vertical or horizontal Connection method: Screw connection |
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