PHOENIX CONTACT PSR-PC20-1NO-1NC-24DC-SC Coupling relay - 2700577. Coupling relay for SIL 3 high- and low-demand applications, couples digital output signals to the periphery, 1 enabling current path, 1 confirmation current path, 1 digital signal output, safe state off applications, test pulse filter, TBUS connection, plug-in screw terminal block.

PHOENIX CONTACT PSR-PC20-1NO-1NC-24DC-SC Coupling relay - 2700577

Up to SIL 3 in accordance with IEC 61508

Forcibly guided contacts according to 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

Enabling current path protected via internal fuse as an option

Long service life thanks to filtering of controller test pulses

1 enabling current path, 1 digital signal output, 1 diagnostic current path

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

PHOENIX CONTACT PSR-PC20-1NO-1NC-24DC-SC Coupling relay - 2700577

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