The figure shows a version with a screw connection
Official DistributorSKU
MPN
2702412
Weight
0.223 kg
Series PSR-MC
PSR-MC37-3NO-1NC-24DC-SP - Safety relays
Safety relay for emergency switching off and safety doors as well as for elevator applications up to SIL 3, Cat. 4, PL e, 1 or 2-channel operation, automatic or manual start, cross-circuit detection, 3 enabling current paths, US = 24 V DC, pluggable Push-in terminal block
- Low housing width of only 22.5mm
- 3 enabling current paths, 1 signaling current path, 1 digital signal output
- Cross-circuit detection
- Automatic and manual activation
- Up to Cat. 4/PL e in accordance with EN ISO 13849-1, SIL 3 in accordance with EN IEC 62061
- Suitable for elevator applications in accordance with EN 81-20
Technical Specifications
Product properties
| Product family | PSRmini |
| Application | Emergency stop |
| Application | Safety door |
| Application | Solenoid switch |
| Application | Transponder |
| Relay type | Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3 |
Times
| Typical response time | < 100 ms (automatic start) |
| Typ. starting time with Us | < 100 ms (when controlled via A1) |
| Typical release time | < 20 ms (when controlled via A1 or S12) |
| Restart time | < 1 s (Boot time) |
| Recovery time | < 500 ms |
Electrical properties
| Maximum power dissipation for nominal condition | 16.65 W (at US = 30 V, IL² = 72 A²) |
| 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 | Basic insulation 4 kV between all current paths |
| Rated surge voltage/insulation | Basic insulation 4 kV between all current paths and housing |
Supply
| Designation | A1/A2 |
| Rated control circuit supply voltage US | 19.2 V DC ... 30 V DC |
| Rated control circuit supply voltage US | 24 V DC -20 % / +25 % |
| Rated control supply current IS | typ. 70 mA |
| Power consumption at US | typ. 1.68 W |
| Inrush Current | 2 A (Δt = 300 µs at Us) |
| Protective circuit | Surge protection; Suppressor diode |
| Protective circuit | Protection against polarity reversal for rated control circuit supply voltage |
Digital: Sensor circuit (S12, S22)
| Description of the input | safety-related sensor inputs |
| Input voltage range "0" signal | 0 V DC ... 5 V DC (for safe Off; at S12 and S22) |
| Input current range "0" signal | 0 mA ... 2 mA (for safe Off; at S12 and S22) |
| Inrush Current | < 5 mA (Δt = 500 µs, for Us/Ix at S12) |
| Inrush Current | > -5 mA (Δt = 500 µs, for Us/Ix at S22) |
| Filter time | max. 3 ms (at S12, S22; test pulse width; blanking pulses/dark test) |
| Filter time | 1 s (at S12, S22; test pulse rate; blanking pulses/dark test) |
| Filter time | Where test pulse width ≤ 1 ms: test pulse rate = 5 x test pulse width |
| Filter time | max. 1 ms (at S12, S22; test pulse width; switch-on pulses/light test) |
| Filter time | 100 ms (at S12, S22; test pulse rate; switch-on pulses/light test) |
| Filter time | Unless switch-on pulses/light tests are safety-related, they should be disabled. |
| Max. permissible overall conductor resistance | 150 Ω |
| Current consumption | < 4 mA (with Us/Ix to S12/S22) |
Digital: Start circuit (S35)
| Description of the input | non-safety-related |
| Number of Inputs | 1 |
| Input voltage range "1" signal | 19.2 V DC ... 30 V DC |
| Inrush Current | < 10 mA (Δt = 500 µs) |
| Max. permissible overall conductor resistance | 150 Ω |
| Protective circuit | Suppressor diode |
| Current consumption | < 0.5 mA |
Relay: Enabling current path (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. 5 V AC/DC |
| Switching voltage | max. 250 V AC/DC (Observe the load curve) |
| Switching capacity | min. 50 mW |
| Inrush Current | min. 10 mA |
| Inrush Current | max. 6 A |
| Switching capacity in accordance with IEC 60947-5-1 | 5 A (24 V (DC13)) |
| Switching capacity in accordance with IEC 60947-5-1 | 5 A (250 V (AC15)) |
| Limiting Continuous Current | 6 A (observe derating) |
| Sq. Total current | 72 A2 (observe derating) |
| Switching frequency | 0.5 Hz |
| Mechanical service life | 10x 106 cycles |
| Interrupting rating (ohmic load) max. | 1500 VA (250 V AC, τ = 0 ms) |
| Interrupting rating (ohmic load) max. | For additional values, see load curve |
| Maximum interrupting rating (inductive load) | 48 W (24 V DC, τ = 40 ms) |
| Maximum interrupting rating (inductive load) | 40 W (48 V DC, τ = 40 ms) |
| Maximum interrupting rating (inductive load) | 36 W (60 V DC, τ = 40 ms) |
| Maximum interrupting rating (inductive load) | 35 W (110 V DC, τ = 40 ms) |
| Maximum interrupting rating (inductive load) | 33 W (220 V DC, τ = 40 ms) |
| Maximum interrupting rating (inductive load) | 1500 VA (250 V AC, τ = 40 ms) |
| Output fuse | 6 A gL/gG (N/O contact) |
Relay: Signaling current path (41/42)
| Output description | non-safety-related N/C contact |
| Number of Outputs | 1 (undelayed) |
| Contact switching type | 1 signaling current path |
| Contact Material | AgSnO2 |
| Switching voltage | min. 5 V AC/DC |
| Switching voltage | max. 250 V AC/DC |
| Switching capacity | min. 50 mW |
| Inrush Current | min. 10 mA |
| Inrush Current | max. 6 A (Δt = 100 ms) |
| Limiting Continuous Current | 1 A |
| Sq. Total current | 1 A2 |
| Switching frequency | 0.5 Hz |
| Mechanical service life | 10x 106 cycles |
| Output fuse | 1 A gL/gG |
Signal: Y32
| Output description | non-safety-related |
| Number of Outputs | 1 (digital) |
| Voltage | 23 V DC (Us - 1 V) |
| Current | max. 100 mA |
| Maximum Inrush Current | 1 A (Δt = 5 ms at Us) |
| Short-circuit protection | Yes |
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 | 22.5 mm |
| Height | 117.4 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 | 4 |
| Performance level (PL) | e (5 A DC13; 5 A AC15; 8760 switching cycles/year) |
Safety data: IEC 61508 - High demand
| Safety Integrity Level (SIL) | 3 |
Safety data: IEC 61508 - Low demand
| Safety Integrity Level (SIL) | 3 |
Safety data: EN IEC 62061
| Safety Integrity Level (SIL) | 3 |
Ambient conditions
| Degree of Protection | IP20 |
| Min. degree of protection of inst. location | IP54 |
| Ambient Temperature (Operation) | -40 °C ... 60 °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 for Δt = 11 ms (continuous shock: 10g for Δt = 16 ms) |
| Vibration (Operation) | 10 Hz ... 150 Hz, 2g |
CE
| Identification | CE-compliant |
Air clearances and creepage distances between the power circuits
| Standards/regulations | DIN EN 60664-1:2008 |
Mounting
| Mounting Type | DIN rail mounting |
| Assembly instructions | See derating curve |
| Mounting Position | vertical or horizontal |
Why Proax for Phoenix Contact PSR-MC37-3NO-1NC-24DC-SP?
Proax is an authorized distributor of Phoenix Contact PSR-MC37-3NO-1NC-24DC-SP and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.
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Additional Information
| Alternate Names | PSRMC373NO1NC24DCSP |
| Pack Size | 1 |
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