PSR-PC51-1NO-1NC-24DC-SC
   - 
  Coupling relay
    
      2702522
      
      
    
  
      Coupling relay for electrical isolation and power adaptation for SIL 3 F&G applications, low demand, load diagnostics in the Off and On state for wire break and short circuit, 1 enabling current path, test pulse filter, plug-in screw terminal block, width: 17.5 mm
Product details
| Note on application | |
| Note on application | Only for industrial use | 
| Product type | Coupling relay | 
| Product family | PSRmini | 
| Application | Safe switch on | 
| Low demand | |
| Ex | |
| Control | 1 and 2 channel | 
| Relay type | Electromechanical relay | 
| Insulation characteristics | |
| Overvoltage category | III | 
| Degree of pollution | 2 | 
| Times | |
| Typ. starting time with Us | typ. 100 ms (when controlled via A1-A2) | 
| Typical release time | typ. 30 ms (when controlled via A1-A2) | 
| Recovery time | 1 s (when controlled via A1-A2) | 
| 3 s (Availability time for diagnostics after UD is applied) | |
| Maximum power dissipation for nominal condition | 3.8 W (ati UB = 26.4 V DC, UBD = 26.4 V DC, IL = 3 A) | 
| Nominal operating mode | 100% operating factor | 
| Rated insulation voltage | 250 V AC | 
| Rated surge voltage/insulation | Basic insulation 4 kV between all current paths and housing | 
| Safe isolation, 6 kV reinforced insulation from (A1/A2, 24V/0V, 21/22, and TP1/TP2/TP3) to the enabling current path (L, L', LO, LO', NI, NI', N,N') | |
| Supply | |
| Designation | A1/A2 | 
| Rated control circuit supply voltage US | 24 V DC -15 % / +10 % | 
| Rated control supply current IS | typ. 75 mA | 
| Power consumption at US | typ. 2 W (at US/UD; On state) | 
| Inrush current | max. 100 mA | 
| Filter time | 2 ms (at A1-A2 in the event of voltage dips at Us) | 
| max. 2 ms (at A1-A2; low test pulse width) | |
| ≥ 100 ms (at A1-A2; low test pulse rate) | |
| max. 17 ms (at A1-A2; high test pulse width) | |
| ≥ 800 ms (at A1-A2; high test pulse rate) | |
| Protective circuit | Surge protection; 36 V suppressor diode | 
| Reverse polarity protection | |
| Supply | |
| Designation | 24V/0V | 
| Diagnostic supply voltage UD | 24 V DC -20 % / +25 % | 
| Input current at UD | 35 mA (at UD = 24 V) | 
| 45 mA (at UD = 19 V) | |
| 25 mA (at UD = 30 V) | |
| Inrush current at UD | 1.5 A (Δt < 10 µs) | 
| Power consumption at UD | typ. 0.9 W (at UD; Off state) | 
| Protective circuit | Surge protection; 33 V suppressor diode | 
| Reverse polarity protection | |
| Digital: Test points for proof test (T1, T2, T3) | |
| Number of inputs | 3 | 
| Inrush current | typ. 200 mA | 
| Protective circuit | Surge protection; 36 V suppressor diode | 
| Current consumption | typ. 20 mA (Input TP1) | 
| typ. 20 mA (Input TP2) | |
| typ. 30 mA (Input TP3) | |
| Relay: Enabling current path (L-LO-NI-N / L'-LO'-NI'-N') | |
| Output description | safety-related N/O contacts | 
| Number of outputs | 1 (undelayed) | 
| Contact switching type | 1 enabling current path | 
| Contact material | AgNi, gold-flashed, Ag alloy | 
| Switching voltage | min. 16 V AC/DC | 
| max. 250 V AC | |
| max. 125 V DC | |
| Switching power | min. 1 W | 
| Inrush current | min. 50 mA | 
| max. 5 A (Δt  1 s) | |
| Limiting continuous current | 3 A (Observe derating, load type, and on-load voltage) | 
| Sq. Total current | 9 A2 (observe derating) | 
| Switching frequency | max. 0.5 Hz | 
| Mechanical service life | approx. 5x 107 cycles | 
| Relay: Signaling current path (21/22) | |
| Output description | non-safety-related N/C contact | 
| Number of outputs | 1 (without delay, floating) | 
| Contact switching type | 1 signaling current path | 
| Switching current | max. 100 mA | 
| Inrush current | ≤ 800 mA (Δt  100 ms) | 
| Short-circuit protection | no | 
| 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 | 
| Status display | 1 x LED (green) | 
| Operating voltage display | 1 x LED (yellow) | 
| Error indication | 1 x LED (red) | 
| Width | 17.5 mm | 
| Height | 112.2 mm | 
| Depth | 114.5 mm | 
| Color (Housing) | yellow (RAL 1018) | 
| Housing material | Frianyl A63 RV0 | 
| Safety data: EN 50156-2 | |
| Safety Integrity Level (SIL) | 3 (Reference IEC 61508) | 
| 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) | -25 °C ... 60 °C (observe derating) | 
| 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, 11 ms | 
| Vibration (operation) | 10 Hz ... 150 Hz, 2g | 
| Air pressure (operation) | 79 kPa ... 106 kPa | 
| Air pressure (storage/transport) | 79 kPa ... 106 kPa | 
| ATEX | |
| Identification |  II 3G Ex ec nC IIC T4 Gc | 
| Certificate | DEMKO 19 ATEX 2240X | 
| IECEx | |
| Identification | Ex ec nC IIC T4 Gc | 
| Certificate | IECEx ULD 19.0023X | 
| UL, USA/Canada | |
| Identification | cULus | 
| Certificate | E140324 | 
| UL Ex, USA / Canada | |
| Identification | Class I, Zone 2, AEx ec nC IIC T4 / Ex ec nC IIC Gc T4 X | 
| 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 | 2022122304115696 | 
| Mounting type | DIN rail mounting | 
| Assembly note | See derating curve | 
| Mounting position | vertical or horizontal | 
| Item number | 2702522 | 
| Packing unit | 1 pc | 
| Minimum order quantity | 1 pc | 
| Sales key | ***** | 
| Product key | DNA182 | 
| GTIN | 4055626283388 | 
| Weight per piece (including packing) | 249.42 g | 
| Weight per piece (excluding packing) | 151.47 g | 
| Customs tariff number | 85364190 | 
| Country of origin | DE | 
ECLASS
| ECLASS-13.0 | 27371819 | 
| ECLASS-15.0 | 27371819 | 
ETIM
| ETIM 9.0 | EC001449 | 
UNSPSC
| UNSPSC 21.0 | 39122200 | 
| EU RoHS | |
| Fulfills EU RoHS substance requirements | Yes | 
| Exemption | 7(a), 7(c)-I | 
| China RoHS | |
| Environment friendly use period (EFUP) | EFUP-50 An article-related China RoHS declaration table can be found in the download area for the respective article under "Manufacturer declaration". For all articles with EFUP-E, no China RoHS declaration table issued and required. | 
| EU REACH SVHC | |
| REACH candidate substance (CAS No.) | Lead (CAS: 7439-92-1) | 
| SCIP | 0f25f791-08b6-4b35-bc89-ae370be81b5b | 
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        PHOENIX CONTACT (SEA) Pte Ltd
        
        80 Bendemeer Road, #09-01A | #10-02 (Reception), Singapore 339949