The figure shows a version with a screw connection
Official DistributorSKU
MPN
PSR-PC50-1NO-1DO-24DC-SP
Weight
0.221 kg
Series PSR-PC
PSR-PC50-1NO-1DO-24DC-SP - Coupling relay
Coupling relay for SIL 3 low-demand applications, couples digital output signals to the I/O, 1 enabling current path, module for F&G applications, test pulse filter, width: 17.5 mm, pluggable Push-in terminal block
- Up to SIL 3 in accordance with IEC 61508
- Easy proof test according to IEC 61508 thanks to integrated signal contact
- Installation in zone 2 permitted
- Couples digital output signals from failsafe controllers to I/O devices (valves, etc.) for electrical isolation and power adaptation
Technical Specifications
Utilization restriction
| CCCex note | Use in potentially explosive areas is not permitted in China. |
Product properties
| Product family | PSRmini |
| Application | Safe switch on |
| Application | Low demand |
| Application | Ex |
| Installation location | IP 54 |
| Relay type | Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3 |
Times
| Typ. starting time with Us | 30 ms (when controlled via A1) |
| Typical release time | 30 ms (when controlled via A1) |
| Recovery time | 1 s |
Electrical properties
| Maximum power dissipation for nominal condition | 1.56 W |
| 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 | 6 kV/safe isolation (through protective impedance) |
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. 65 mA |
| Inrush Current | ≤ 200 mA |
| Filter time | < 2 ms (Test pulse duration) |
| Filter time | ≥ 100 ms (Test pulse rate) |
| Protective circuit | Overload protection; Suppressor diode |
| Designation | 24V/A2 |
| Diagnostic supply voltage UD | 24 V DC -15 % / +10 % |
| Input current at UD | typ. 15 mA (24V/A2; depending on load M1 +100 mA) |
| Inrush current at UD | 2.5 A (24V/A2; for 10 µs) |
| Protective circuit | Overload protection; Suppressor diode |
Digital: Test points for proof test (T1, T2, T3)
| Number of Inputs | 3 (Test point for proof test) |
| Inrush Current | 200 mA (Inputs TP1, TP2 and TP3) |
| Current consumption | typ. 20 mA (Input TP1) |
| Current consumption | typ. 18 mA (Input TP2) |
| Current consumption | typ. 35 mA (Input TP3) |
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 | AgNi, gold-flashed |
| Switching voltage | min. 15 V AC/DC (without diagnostics) |
| Switching voltage | min. 20 V AC/DC (with diagnostics) |
| Switching voltage | max. 250 V AC |
| Switching voltage | max. 125 V DC |
| Switching capacity | min. 1.5 W |
| Inrush Current | min. 100 mA |
| Inrush Current | max. 5 A |
| Max. permissible overall conductor resistance | < 10 Ω (LO/LO' and NI/NI' and load resistance in the event of a short circuit) |
| Limiting Continuous Current | 5 A |
| Switching frequency | max. 0.5 Hz |
| Diagnostic threshold | 20 Ω ... 18 kΩ (lower/upper) |
| Mechanical service life | approx. 5x 10⁷ cycles |
Signal
| Output description | non-safety-related |
| Number of Outputs | 1 (digital) |
| Voltage | 23 V DC |
| Current | max. 100 mA |
| Short-circuit protection | no |
| Output fuse | 150 mA fast blow |
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 | Green LED |
| Operating voltage display | Yellow LED |
| Error indication | Red LED |
Dimensions
| Width | 17.5 mm |
| Height | 117.4 mm |
| Depth | 114.5 mm |
Material specifications
| Color (Housing) | yellow (RAL 1018) |
| Housing Material | Polyamide |
Safety data: IEC 61508 - Low demand
| Safety Integrity Level (SIL) | 3 (15 % of total SIL) |
Ambient conditions
| Degree of Protection | IP20 |
| Min. degree of protection of inst. location | IP54 |
| Ambient Temperature (Operation) | -20 °C ... 55 °C |
| Ambient temperature (storage/transport) | -40 °C ... 65 °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) | 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 |
| Mounting Position | vertical or horizontal |
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Additional Information
| Pack Size | 1 |
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