PSR-PC21-2NO-2NC-24DC-SC - Coupling relay

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

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Your advantages

Up to SIL 3 in accordance with IEC 61508, IEC 61511, and IEC 50156
Approved for Class I, Zone 2 applications
Force-guided contacts in accordance with 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