Designed and built to IEC 61508 standards and part of the company's FS Functional Safety Series, SSX and SST safety isolators and splitters have been approved by exida for use in a safety instrumented systems (SIS) up to SIL 3 in monitor mode, where the only input circuit is part of the safety function. SSX and SST are also approved for single use in safety systems up to SIL 2.
