Description
Noark Auxiliary & Signal Contact Unit
- Contact units for auxiliary and signal contact functions are suitable for all frame sizes
- Auxiliary contacts synchronous with main contacts of the circuit breaker
- Signal contacts active on electrical tripping of the circuit breaker (tripping signal contacts)
- It is possible to use 1 unit AL21L plus up to four units of AX21M in one MCCB’s (depends on frame size)