PSR-PC20-1NO-1NC-24DC-SP 2700578 PHOENIX CONTACT Coupling relay for SIL 3 high- and low-demand applications,.. View larger
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PSR-PC20-1NO-1NC-24DC-SP 2700578 PHOENIX CONTACT Coupling relay for SIL 3 high- and low-demand applications,..





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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, PSR-TBUS connection, plug-in spring-cage terminal block

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Width12.5 mm
Height116.6 mm
Depth114.5 mm

Ambient conditions

Ambient temperature (operation)-40 °C ... 70 °C (observe derating)
Ambient temperature (storage/transport)-40 °C ... 85 °C
Max. permissible relative humidity (operation)75 % (on average, 85% infrequently, non-condensing)
Max. permissible humidity (storage/transport)75 % (on average, 85% infrequently, non-condensing)
Vibration (operation)2g
Maximum altitude≤ 2000 m (Above sea level)

Input data

Rated control circuit supply voltage US24 V DC -15 % / +10 %
Power consumption at UStyp. 1.2 W
Rated control supply current IStyp. 50 mA
Typical inrush current400 mA (Δt < 10 µs at Us)
Typical pick-up time< 100 ms (when controlled via A1)
Typical release time< 35 ms (when controlled via A1)
Recovery time500 ms
Status display1 x green LED
Maximum switching frequency1 Hz
Filter timemax. 2 ms (at A1-A2; test pulse width)
≥ 100 ms (at A1-A2; test pulse rate)

Output data

Contact type1 enabling current path
1 confirmation current path
Contact materialAgSnO2 (enabling current path)
AgCuNi, + Au (confirmation current path)
Minimum switching voltage20 V AC/DC (N/O contact)
20.4 V DC (N/C contact)
Maximum switching voltage250 V AC/DC (N/O contact)
26.4 V DC (N/C contact)
Nominal current6 A (N/O contact)
Limiting continuous current6 A (13/14, see to derating)
4 A (13F/14, see to derating)
100 mA (N/C contact)
Inrush current, minimum3 mA (N/O contact)
1 mA (N/C contact)
Maximum inrush current6 A (N/O contact)
100 mA (N/C contact)
Sq. Total current36 A2 (see to derating)
Switching capacitymin. 60 mW
Output fuse6 A gL/gG (N/O contact 13/14)
4 A gL/gG (for low-demand applications)
150 mA fast blow (Confirmation current path)


Relay typeElectromechanical relay with forcibly guided contacts in accordance with IEC/EN 61810-3 (EN 50205)
Mechanical service life10 x 106 cycles
Net weight188 g
Mounting typeDIN rail mounting
Assembly instructionsSee derating curve
Degree of protectionIP20
Min. degree of protection of inst. locationIP54
Mounting positionvertical, horizontal, with front of module upward
Stop category0
Parameters for IEC 615083
Housing materialPBT

Connection data

Connection methodSpring-cage connection
Conductor cross section solid min.0.2 mm²
Conductor cross section solid max.1.5 mm²
Conductor cross section flexible min.0.2 mm²
Conductor cross section flexible max.1.5 mm²
Conductor cross section AWG min.24
Conductor cross section AWG max.16
Stripping length8 mm

Datasheet - PDF

PHOENIX CONTACT-2700578-PSR-PC20-1NO-1NC-24DC-SPEnglish124 KbytesPHOENIX CONTACT-2700578-PSR-PC20-1NO-1NC-24DC-SP

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