The Wylex NHXLB MCB Circuit Breakers detect both overload and fault currents. Type B breakers will trip between 3 and 5 times full load current which is suitable for most domestic installations. The MCB will operate and interrupt the supply to prevent damage to the installation. 

The NH range of consumer units provides contemporary styling with particular attention to generous cable preparation room, supplied with incoming devices and two busbar options “fixed” for quick installation balcony connection and “flexible” easily configured DIN rail design with cut to length busbar kits. All designs are available as insulated or metal cased versions