NB1-63 Miniature Circuit Breakers are used in domestic installation, as well as in commercial and industrial electrical distribution systems. Protection of circuits against short-circuit currents, protection of circuits against overload currents, switch, isolation. Features: Color: 20A for protection of circuits from over-load and short-circuit. and for infrequent making and breaking of circuits under normal operation conditions, as well. Standard: IEC/EN 60898. Item type: Switches Packages Include: 1 x CHNT NB1-63DC DC Breaker 4 Pole 20A in Pakistan