The Edwards 4-COMREL is an optional common relay card for the Edwards EST4 life safety control platform (EN54 version). It mounts to the back of the 4-CPU-E central processor unit and provides Form C common alarm, common trouble and common supervisory relay outputs for connection to external equipment.
Key features
- Form C common alarm, common trouble and common supervisory relays
- Mounts on the back of the 4-CPU-E
- Connections for end-of-line resistors
- Trouble contact is energised at system start-up
Technical specifications
- Outputs: 3 x Form C (alarm, trouble, supervisory)
- Contact rating: 30 Vdc at 1 A
- Wire size: 18 to 12 AWG (1 to 4 mm²)
- Data sheet reference: E85014-0010
