Official DistributorSKU
MPN
PSR-PC40-2NO-1DO-24DC-SC
Weight
0.208 kg
Series PSR-PC
PSR-PC40-2NO-1DO-24DC-SC - Coupling relay
Coupling relay for SIL 3 high- and low-demand applications, couples digital output signals to the I/O, 2 enabling current paths, 1 digital signal output, safe state off applications, test pulse filter, plug-in screw terminal block
- Up to SIL 3 in accordance with IEC 61508
- Force-guided contacts in accordance with EN 50205
- Easy proof test according to IEC 61508 thanks to integrated signal contact
- Approved for Class I, Zone 2 applications
- Low housing width of just 12.5 mm
- Manually monitored and automatic activation in a single device
- Self-regulation with device-internal lock
- Long service life thanks to filtering of controller test pulses
- 2 enabling current paths, 1 digital signal output
- Couples digital output signals from failsafe controllers to I/O devices (valves, etc.) for electrical isolation and power adaptation
- Corrosion protection through protective coating on the PCB
Technical Specifications
Utilization restriction
| CCCex note | Use in potentially explosive areas is not permitted in China. |
Product properties
| Product family | PSRmini |
| Application | Safe switch off |
| Application | High demand |
| Application | Low demand |
| Application | Ex |
| Relay type | Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3 |
Times
| Typ. starting time with Us | < 200 ms (when controlled via A1, automatic start) |
| Typical release time | < 35 ms (when controlled via A1) |
| Recovery time | 500 ms |
Electrical properties
| Maximum power dissipation for nominal condition | 5.5 W (IL² = 60 A²) |
| Nominal operating mode | 100% operating factor |
Air clearances and creepage distances between the power circuits
| Rated Insulation Voltage | 250 V AC |
| Rated surge voltage/insulation | Safe isolation, 6 kV reinforced insulation from control circuit, start circuit, signal output to the enabling current paths, 4 kV/basic insulation between the enabling current paths and 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 % (A1/A2) |
| Rated control supply current IS | typ. 75 mA (depending on load M1 +100 mA) |
| Power consumption at US | typ. 1.8 W |
| Inrush Current | typ. 400 mA (Δt < 100 µs at Us) |
| Filter time | max. 2 ms (at A1-A2; test pulse width) |
| Filter time | ≥ 100 ms (at A1-A2; test pulse rate) |
| Protective circuit | Serial protection against polarity reversal; 33 V suppressor diode |
Digital: Start circuit (Y1, Y2)
| Number of Inputs | 2 (Non-safety-related start inputs: Y1/Y2) |
| Inrush Current | < 10 mA |
| Max. permissible overall conductor resistance | 150 Ω |
| Voltage at input/start and feedback circuit | 24 V DC -15 %; +10 % |
| Current consumption | < 5 mA |
Relay: Enabling current paths (13/14, 23/24)
| Output description | 2 NO contacts each in series, without delay, floating |
| Number of Outputs | 2 (safety-related N/O contacts: 13/14, 23/24) |
| Contact switching type | 2 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 |
| Switching capacity in accordance with IEC 60947-5-1 | 4 A (24 V (DC13)) |
| Switching capacity in accordance with IEC 60947-5-1 | 5 A (250 V (AC15)) |
| Limiting Continuous Current | 6 A (High demand) |
| Limiting Continuous Current | 4 A (Low demand) |
| Sq. Total current | 60 A2 (observe derating) |
| Switching frequency | max. 0.5 Hz |
| Mechanical service life | 10x 10⁶ cycles |
| Output fuse | 6 A gL/gG |
| Output fuse | 4 A gL/gG (for low-demand applications) |
Signal: M1
| Output description | PNP |
| Number of Outputs | 1 (non-safety-related) |
| Voltage | approx. 22 V DC (Us - 2 V) |
| Current | max. 100 mA |
| Maximum Inrush Current | 500 mA (Δt = 1 ms at Us) |
| Short-circuit protection | no |
| Output fuse | 150 mA fast blow |
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 yellow LED |
| Error indication | 1 x red LED |
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 50156
| Safety Integrity Level (SIL) | 3 |
Safety data: IEC 61508 - High demand
| Safety Integrity Level (SIL) | 3 |
Safety data: IEC 61508 - Low demand
| Safety Integrity Level (SIL) | 3 |
Ambient conditions
| Degree of Protection | IP20 |
| Min. degree of protection of inst. location | IP54 |
| Ambient Temperature (Operation) | -40 °C ... 70 °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 |
ATEX
| Identification | II 3G Ex ec nC IIC T4 Gc |
| Certificate | UL 22 ATEX 2912X |
IECEx
| Identification | Ex ec nC IIC T4 Gc |
| Certificate | IECEx UL 22.0037X |
UL, USA/Canada
| Identification | cULus |
| Certificate | E140324 |
UL Ex, USA / Canada
| Identification | Class I, Zone 2, AEx nA nC IIC T4 / Ex nA nC IIC Gc T4 X |
| Identification | Class I, Div. 2, Groups A, B, C, D, T4 |
| Certificate | E360692 |
CE
| Identification | CE-compliant |
Environmental simulation test
| Identification | G3 |
| Certificate | ISA-S71.04 |
CCC / China-Ex
| Identification | Ex ec nC IIC T4 Gc |
| Certificate | 2022122304115695 |
DNV
| Identification | C, EMC2 |
| Certificate | 11253-14 HH |
Air clearances and creepage distances between the power circuits
| Standards/regulations | EN 60664-1, EN 60079-7, EN 60079-15 |
Mounting
| Mounting Type | DIN rail mounting |
| Assembly instructions | See derating curve |
| Mounting Position | vertical, horizontal, with front of module upward |
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Additional Information
| Pack Size | 1 |
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