MK Sentry - H6837s - 40a 30mA Type B Single Pole Class A RCBO New
MK Part Code: H6837s. Sensitivities (fixed) 30mA. From the Sentry range. Complies with BS EN 61009-1. Class A RCBOs and RCDs are not sensitive to impulsive currents up to a peak of 250 A (8/20 wave form).