Phoenix Contact Coupling Relay PSR-PS20-1NO-1NC-24DC-SC
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PHOENIX CONTACT Coupling Relay PSR-PS20-1NO-1NC-24DC-SC
- Coupling relay for SIL 3 high and low-demand applications
- couples digital output signals to the I/O
- 1 enabling current path
- 1 confirmation current path
- 1 digital signal output
- safe state off applications
- test pulse filter
- fixed screw terminal block
| Product type | Coupling relay |
| PSRmini | |
| Application | Safe switch off |
| High demand | |
| Low demand | |
| Ex | |
| Relay type | Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3 |
| Typ. starting time with Us | < 100 ms (with Us when controlled via A1) |
| Typical release time | < 35 ms (when controlled via A1) |
| Recovery time | 500 ms |
| 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. 45 mA |
| Power consumption at US | typ. 1.08 W |
| Inrush current | typ. 400 mA (Δt < 10 µs at Us) |
| Filter time | max. 2 ms (at A1-A2; test pulse width) |
| ≥ 100 ms (at A1-A2; test pulse rate) | |
| Protective circuit | Serial protection against polarity reversal; Suppressor diode 33 V |
| Designation | 21/A2 |
| Diagnostic supply voltage UD | 24 V DC -15 % / +10 % (21/A2) |
| Input current at UD | 6 mA (at 21-A2 for UD; depending on load + 100 mA at M1 and 22) |
| Inrush current at UD | typ. 2.5 A (Δt < 20 µs at UD) |
| Protective circuit | Serial protection against polarity reversal; Suppressor diode 38 V |
Original Packaging
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