• Low burden
  • Monitors CB in both open & closed condition
  • Contacts picked up for healthy supply condition contacts
  • Slug time delay
  • Hand reset flag indicator
  • 2 C/O contacts standard
  • Draw out case
  • Equivalent function to MVAX31
  • 1TM12 specification

The operating element for the 6R MATRIX supervision relay functional elements are designated 6RX & are based on our 6R Series relays.

The operating element of the 6RX31 comprises three 6R heavy duty attracted armature relays.

Supervision is active with the circuit breaker in the open or closed position via the 52 a & b CB auxiliary contacts.

Inbuilt time delays prevent false alarms due to normal delays in the tripping operation, circuit breaker state transition and voltage dips in the supply rail.

Under failure conditions a local hand reset flag operates and output alarm contacts change state.


Alstom: MVAX31