9477/12 series digital output module relays for Zone 1 have six or eight channels for operating non-intrinsically safe solenoid valves with a high switching capacity. Zero-potential relay contacts (normally open contacts) are available as outputs in Ex e or conduit connection technology. Operation in combination with Ex i I/O modules is permissible.
- With up to 8 de-energised relay contacts
- Ex e outputs with a high switching capacity up to 100 VA
- Module in Zone 1 can be hot swapped