Description

The MU340A is a 3-pole, 40A MCB with a C-type tripping curve and 6kA breaking capacity, designed for higher-current three-phase circuit protection in commercial and industrial distribution. The 40A rating per pole is appropriate for sub-main feeders to downstream three-phase boards or large three-phase equipment.
The 3-module DIN rail format with simultaneous three-phase disconnection makes the MU340A suitable for main distribution boards in commercial premises. Compatible with three-phase comb busbars for efficient installation.
RoHS compliant and part of the MU three-pole MCB range, the MU340A supports standard MCB auxiliary accessories and conforms to EN 60898-1 for use in commercial and industrial applications.