Its interrupting capacity hits 242 kA at 240 V, 187 kA at 415 V, and 121 kA at 500 V — numbers that put it in the high-fault tier for line protection in industrial switchgear.
That 86 mm depth is the body-only figure — factor in the handle throw and rear arc chamber clearance when laying out the gland plate. Straightforward install — line in, load out, no aux wiring to pull.
Trip unit and selectivity
For a 40 A frame, that means you can dial in selective coordination downstream without swapping the breaker body.
