The Wylex NHXS1B40 is a new single-pole Type B RCBO module suitable for DIN rail mounting. It features a 40A maximum amperage and is designed for use in interior electrical installations. The white ABS plastic module includes a switch for on/off operation and offers instantaneous tripping characteristics. This Wylex RCBO is ideal for protecting electrical circuits from overloads and short circuits in a single-phase AC system with a voltage range of 201-250V.