PHOENIX CONTACT PSR-PC21-2NO-2NC-24DC-SC Coupling relay - 1086945. Coupling relay for SIL 3 high and low-demand applications, coupled digital output signals to the I/O, 2 independently controllable enabling current paths, 2 confirmation current paths, safe state off applications, test pulse filter, pluggable screw terminal block.

PHOENIX CONTACT PSR-PC21-2NO-2NC-24DC-SC Coupling relay - 1086945

Up to SIL 3 in accordance with IEC 61508, IEC 61511, and IEC 50156

Approved for Class I, Zone 2 applications

Forcibly guided contacts according to EN 50205

Easy proof test according to IEC 61508 thanks to integrated signal contact

Low housing width of just 12.5 mm

Long service life thanks to filtering of controller test pulses

2 enabling current paths, 2 confirmation current paths

Independent control of the relay channels possible

PHOENIX CONTACT PSR-PC21-2NO-2NC-24DC-SC Coupling relay - 1086945

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