1-channel isolated barrier, 24 V DC supply (loop powered), Current limit 45 mA at 10 V DC, Test pulse immunity, Housing width 12.5 mm, Up to SIL 3 acc. to IEC/EN 61508, Housing width: 12.5 mm, Number of channels: 1-channel, Safety Integrity Level (SIL): SIL 3, Systematic capability (SC): SC 3, Rated voltage: loop powered, Type: logic input, Type [2]: field device supply, Test pulse immunity, Field device: 1 x Valve, Field device [2]: 1 x audible alarm, Field device [3]: 1 x visual alarm