KRM169D - DC Insulation Trip Relay
- Insulation relay for non grounded DC systems
- Both for battery and power generated DC networks
- "SEV" measuring principle
KRM169D measures the insulation, directly in kohms, of non-earthed DC systems.
The standard 24VDC instrument has a 100 kohms range with a trip level of 25 kohms. Trip levels vary depending on monitored nominal voltage.
The trip level is factory set and will operate after a delay of approximately four seconds.
Relays are fail-safe and energise when powered. Reset the relays by operating the internal reset button or an external reset (pulse).