A Wylex Miniature Circuit Breaker (MCB) with a 20A rating and Type B curve. This is a single pole (SP) breaker designed for DIN rail mounting and occupies one module space. It has a breaking capacity of 6kA. The series is NHX and the MPN is NHXB20. Specifications: Brand: Wylex MPN: NHXB20 Series: NHX Rating: 20A Type: B Number of Poles: Single Pole (SP) Breaking Capacity: 6kA Number of modules: 1