Official DistributorSKU
MPN
PSR-MM25-1NO-2DO-24DC-SC
Weight
0.15 kg
Series PSR-MM
PSR-MM25-1NO-2DO-24DC-SC - Safety relay module
Safety relay module for sensor-free zero-speed monitoring for 3- and 1-phase motors up to SIL 3, Cat. 3, PL e, 2-channel evaluation of the residual voltage of AC, three-phase, and DC motors, plug-in screw terminal block, width: 12.5 mm
- Monitoring of 1 and 3-phase AC or DC motors
- No additional sensors required
- Adjustable delay time from 0.5 s ... 20 s
- Adjustable switching threshold from 50 mV... 500 mV
- 1 enabling current path, 2 digital signal outputs
- Low housing width of just 12.5 mm
- Up to Cat. 3/PL e in accordance with EN ISO 13849-1, SIL 3 in accordance with EN IEC 62061
Technical Specifications
Product properties
| Application | Zero-speed safety relay |
Times
| Typ. starting time with Us | < 1 s |
| Response time | typ. 20 ms (at 50 Hz input frequency) |
| Delay time range | 0.5 s ... 20 s ±1 % (K1, K2 can be parameterized) |
Electrical properties
| Nominal operating mode | 100% operating factor |
| Interfaces | Without sensor |
Air clearances and creepage distances between the power circuits
| Rated Insulation Voltage | 250 V AC |
| Rated Insulation Voltage | 250 V AC |
| Rated Insulation Voltage | 400 V AC with isolation paths between (L1/L2/L3) and the remaining current paths |
| Rated Insulation Voltage | 690 V AC (with isolation paths within L1/L2/L3) |
| Rated surge voltage/insulation | Basic insulation 4 kV:between all current paths and housingBasic insulation 8 kV:between L1 and L2between L1 and L3between L2 and L3 |
| Rated surge voltage/insulation | Safe isolation, reinforced insulation 6 kV:between A1/A2 and 13/14between MO/FO and 13/14Safe isolation, reinforced insulation 8 kV:between L1/L2/L3 and A1/A2between L1/L2/L3 and MO/FObetween L1/L2/L3 and 13/14 |
Supply
| 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. 50 mA |
| Power consumption at US | typ. 1.2 W |
| Inrush Current | 5.6 A (Δt = 400 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 |
Measurement
| Voltage input signal | max. 690 V AC/DC (at L1/L2/L3) |
| Limit frequency | max. 3 kHz (At voltages > 2 VRMS) |
| Current consumption | max. 0.35 mA (at L1/L2/L3) |
Relay: Enabling current path
| Output description | safety-related N/O contacts |
| Number of Outputs | 1 (undelayed) |
| Contact switching type | 1 enabling current path |
| Contact Material | AgSnO2 |
| Switching voltage | min. 24 V AC/DC |
| Switching voltage | max. 250 V AC/DC (Observe the load curve) |
| Switching capacity | min. 72 mW |
| Inrush Current | min. 3 mA |
| Inrush Current | max. 5 A |
| Limiting Continuous Current | 5 A (observe derating) |
| Sq. Total current | 25 A2 (observe derating) |
| Switching frequency | max. 0.5 Hz |
| Mechanical service life | 10x 106 cycles |
| Output fuse | 5 A gL/gG |
Signal
| Number of Outputs | 2 (digital, PNP) |
| Voltage | 23 V DC (US - 1 V) |
| Current | max. 100 mA |
| Maximum Inrush Current | 500 mA |
| Short-circuit protection | Yes |
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, flexible, with ferrule, with plastic sleeve | 0.2 mm² ... 2.5 mm² |
| Conductor cross section flexible, with ferrule without plastic sleeve | 0.2 mm² ... 2.5 mm² |
| Conductor cross-section AWG | 24 ... 12 |
| Stripping length | 7 mm |
| Screw thread | M3 |
Signaling
| Status display | 4 x LED Bi-Colour |
Dimensions
| Width | 12.5 mm |
| Height | 112.2 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 | 3 |
| Performance level (PL) | e (4 A DC13; 5 A AC15; 17520 switching cycles/year) |
Safety data: IEC 61508 - High demand
| Safety Integrity Level (SIL) | 3 (4 A DC13; 5 A AC15; 17520 switching cycles/year) |
Safety data: EN IEC 62061
| Safety Integrity Level (SIL) | 3 (4 A DC13; 5 A AC15; 17520 switching cycles/year) |
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 ... 85 °C |
| Maximum altitude | max. 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
| Certificate | CE-compliant |
Air clearances and creepage distances between the power circuits
| Standards/regulations | DIN EN 50178 |
Mounting
| Mounting Type | DIN rail mounting |
| Assembly instructions | See derating curve |
| Mounting Position | vertical or horizontal |
Accessories
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Additional Information
| Pack Size | 1 |
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