PSR Mini PS40 Optocouplers The PSR Mini PS40 Optocoupler is a coupling relay that can be used for power adaptation and electrical isolation in high and low-demand applications up to SIL 3. When using this module, circuits are interrupted in a safety-orientated manner. Used for applications up to SIL 3 according to IEC 61508 & EN 61511
Used for safety-related switching off
6.8mm housing width
Approved for Class l, Zone 2 applications
Readback of field devices possible
Integrated DCS test pulse filter
Low inrush current
1 undelayed enabling current path
1 digital signal output
Fixed screw connection