Type K characteristics have been specifically designed for the protection of motor control circuits and items used within them. It has a very sensitive thermal curve, combined with a magnetic setting of 8 times the normal input current (In), which is high enough to avoid in-rush nuisance tripping, but provides good protection against over current conditions.

DIN rail mounting
Complies with BS EN 60898
Operating temperature range of -25°C to +55°C
Standard 17.5mm width
Max. operating voltage: 440Vac, 60Vdc

The Classic & System pro M product cannot be intermixed and do not share common accessories. System pro M products can only be fitted to new style Protecta distribution boards.

IEC/EN60947-2

ABB System Pro M Single & Double Pole MCB's

The Classic & System pro M product cannot be intermixed and do not share common accessories. System pro M products can only be fitted to new style Protecta distribution boards,see typically stock no. 539-1553.