Further information for Phoenix Contact 2700578 - Coupling relay PSR PC20 1NO 1NC 24DC SP
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