RMS 1S25 Arc Fault Relay
RMS 1S25 is a panel mount 4-zone arc fault relay for the protection of metal clad switchgear.
- Four independent arc fault tripping zones
- 1 or 2 arc fault sensors per zone allowing up to 8 arc fault sensors per 1S25 module
- Trip indication LED for each arc fault monitoring zone
- Non volatile memory ensures last recorded alarm states are restored on power up
- Nine (9) high speed arc fault tripping duty output contacts (Set for latching or self reset)
- Zone segregated or common tripping output configuration
- Continuous arc sensor supervision with sensor fail LED for each zone
- Wide range status input to block arc fault monitoring
- Front panel reset button & status input
- Self supervision watchdog with healthy LED & alarm contact
- Built in test sequence
- Wide range auxiliary supply.
Download Technical Bulletin
RMS 1S25 is a panel mount 4-zone arc fault relay for the protection of metal clad switchgear.
- Four independent arc fault tripping zones
- 1 or 2 arc fault sensors per zone allowing up to 8 arc fault sensors per 1S25 module
- Trip indication LED for each arc fault monitoring zone
- Non volatile memory ensures last recorded alarm states are restored on power up
- Nine (9) high speed arc fault tripping duty output contacts (Set for latching or self reset)
- Zone segregated or common tripping output configuration
- Continuous arc sensor supervision with sensor fail LED for each zone
- Wide range status input to block arc fault monitoring
- Front panel reset button & status input
- Self supervision watchdog with healthy LED & alarm contact
- Built in test sequence
- Wide range auxiliary supply.