Undervoltage delay units (MN delay Units) for Compact NS and Masterpact NW

Undervoltage delay unit or MN delay unit for Compact NS and Masterpact NW

To eliminate circuit-breaker nuisance tripping during short voltage dips, operation of the MN release can be delayed.
This function is achieved by adding an external delay unit in the MN voltage-release circuit.

Two versions are available, adjustable and non-adjustable.

Please find the Characteristics and Part no. as below.



Compact NS


Masterpact NW

Released for:Schneider Electric Thailand