The figure shows a version with a screw connection
Official DistributorSKU
MPN
PSR-MC20-3NO-1DO-24DC-SP
Weight
0.175 kg
Series PSR-MC
PSR-MC20-3NO-1DO-24DC-SP - Safety relays
Safety relay for emergency stop / safety doors up to SIL 1, Cat. 1, PL c, depending on the application up to SIL 3, Cat. 4, PL e, 1-channel operation, automatic / manual start, 3 enabling current paths, US = 24 V DC, pluggable Push-in terminal block
- Up to Cat. 1/PL c in accordance with EN ISO 13849-1, SIL 1 in accordance with EN IEC 62061
- Depending on the application, up to cat. 4/PL e in accordance with ISO 13849-1, SIL CL 3 in accordance with EN IEC 62061
- Low housing width of just 12.5 mm
- Manually monitored and automatic activation in a single device
- 3 enabling current paths, 1 digital signal output
- 1-channel control
Technical Specifications
Product properties
| Product family | PSRmini |
| Application | Emergency stop |
| Application | Safety door |
| Application | Solenoid switch |
| Relay type | Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3 |
Times
| Typical response time | < 175 ms (automatic start) |
| Typical response time | < 175 ms (manual, monitored start) |
| Typ. starting time with Us | < 250 ms (when controlled via A1) |
| Typical release time | < 20 ms (when controlled via A1 or S12) |
| Recovery time | < 500 ms |
Electrical properties
| Maximum power dissipation for nominal condition | 4.8 W (US = 26.4 V, IL² = 48 A², PTotal max = 2.4 W + 2.4 W) |
| Nominal operating mode | 100% operating factor |
Air clearances and creepage distances between the power circuits
| Rated Insulation Voltage | 250 V AC |
| Rated Insulation Voltage | 250 V AC |
| Rated surge voltage/insulation | Safe isolation, reinforced insulation 6 kV between input circuit and enabling current path (13/14) and enabling current path (23/24) and enabling current path (33/34)Basic insulation 4 kV between all current paths and housing |
Supply
| Designation | A1/A2 |
| Rated control circuit supply voltage US | 20.4 V DC ... 26.4 V DC |
| Rated control circuit supply voltage US | 24 V DC -15 % / +10 % |
| Rated control supply current IS | typ. 80 mA |
| Power consumption at US | typ. 1.92 W |
| Inrush Current | 5 A (Δt = 200 µs at Us) |
| Filter time | 1 ms (at A1 in the event of voltage dips at Us) |
| Protective circuit | Surge protection; Suppressor diode |
| Protective circuit | Protection against polarity reversal for rated control circuit supply voltage |
Digital: Sensor circuit (S11, S12)
| Description of the input | safety-related sensor inputs |
| Input voltage range "0" signal | 0 V DC ... 5 V DC (for safe Off; at S12) |
| Input current range "0" signal | 0 mA ... 2 mA (for safe Off; at S12) |
| Inrush Current | < 21 mA (with Us/Ix to S12) |
| Filter time | max. 1.5 ms (at S12; test pulse width) |
| Filter time | min. 7.5 ms (at S12; test pulse rate) |
| Filter time | Test pulse rate = 5 x Test pulse width |
| Max. permissible overall conductor resistance | 150 Ω |
| Current consumption | < 5 mA (with Us/Ix to S12) |
Digital: Start circuit (S34)
| Description of the input | non-safety-related |
| Number of Inputs | 1 |
| Input voltage range "1" signal | 20.4 V DC ... 26.4 V DC |
| Inrush Current | typ. 200 mA |
| Max. permissible overall conductor resistance | 150 Ω |
| Protective circuit | Suppressor diode |
| Current consumption | < 10 mA (at S34/24 V) |
| Current consumption | > -5 mA (at S34/0 V) |
Relay: Enabling current paths (13/14, 23/24, 33/34)
| Output description | safety-related N/O contacts |
| Number of Outputs | 3 (undelayed) |
| Contact switching type | 3 enabling current paths |
| Contact Material | AgSnO2 |
| Switching voltage | min. 12 V AC/DC |
| Switching voltage | max. 250 V AC/DC (Observe the load curve) |
| Switching capacity | min. 60 mW |
| Inrush Current | min. 3 mA |
| Inrush Current | max. 6 A |
| Limiting Continuous Current | 6 A (observe derating) |
| Sq. Total current | 48 A2 (observe derating) |
| Switching frequency | 0.5 Hz |
| Mechanical service life | 10x 106 cycles |
| Output fuse | 6 A gL/gG (N/O contact) |
| Output fuse | 4 A gL/gG (for low-demand applications) |
Signal: M1
| Output description | non-safety-related |
| Number of Outputs | 1 (digital, PNP) |
| Voltage | 22 V DC (Us - 2 V) |
| Current | max. 100 mA |
| Maximum Inrush Current | 500 mA (Δt = 1 ms at Us) |
| Short-circuit protection | no |
Connection technology
| pluggable | yes |
Conductor connection
| Connection Method | Push-in connection |
| Conductor cross section rigid | 0.2 mm² ... 1.5 mm² |
| Conductor cross section flexible | 0.2 mm² ... 1.5 mm² |
| Conductor cross section, flexible, with ferrule, with plastic sleeve | 0.25 mm² ... 1.5 mm² (only together with CRIMPFOX 6) |
| Conductor cross section flexible, with ferrule without plastic sleeve | 0.25 mm² ... 1.5 mm² (only together with CRIMPFOX 6) |
| Conductor cross-section AWG | 24 ... 16 |
| Stripping length | 8 mm |
Signaling
| Status display | 3 x green LED |
| Operating voltage display | 1 x green LED |
Dimensions
| Width | 12.5 mm |
| Height | 116.6 mm |
| Depth | 114.5 mm |
Material specifications
| Color (Housing) | yellow (RAL 1018) |
| Housing Material | Polyamide |
Safety data
| Stop category | 0 |
Safety data: EN ISO 13849
| Category | 1 (up to Cat. 4 depending on the application) |
| Performance level (PL) | c (up to PL e depending on the application) |
Safety data: IEC 61508 - High demand
| Safety Integrity Level (SIL) | 1 (up to SIL 3 depending on the application) |
Safety data: IEC 61508 - Low demand
| Safety Integrity Level (SIL) | 1 (up to SIL 3 depending on the application) |
Safety data: EN IEC 62061
| Safety Integrity Level (SIL) | 3 (up to SIL 3 depending on the application) |
Ambient conditions
| Degree of Protection | IP20 |
| Min. degree of protection of inst. location | IP54 |
| Ambient Temperature (Operation) | -40 °C ... 55 °C (observe derating) |
| Ambient temperature (storage/transport) | -40 °C ... 85 °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, 2g |
CE
| Identification | CE-compliant |
Air clearances and creepage distances between the power circuits
| Standards/regulations | EN 60947-1 |
Mounting
| Mounting Type | DIN rail mounting |
| Assembly instructions | See derating curve |
| Mounting Position | vertical or horizontal |
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Additional Information
| Pack Size | 1 |
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