Chint NXBLE-32 NXBLE-63 RCBO Residual current operated circuit breaker with overload protection Major function Overload protection, short circuit protection, isolation, residual current operation Technical parameters Rated current: 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A; Rated residual operating current: 0.03A, 0.05A, 0.075A, 0.1A, 0.3A; Rated voltage: 240V ~ (1P+N, 2P), 415V ~ (3P, 3P+N, 4P); Frequency: 50/60Hz; Electromagnetic release type: B, C, D; Number of poles: 1P+N, 2P, 3P, 3P+N, 4P; Mechanical life: 20000 cycles; Electrical life: 10000 cycles; Rated short-circuit breaking capacity(Icu): 6000A; Short-circuit breaking capacity(Ics): 6000A; Rated impulse withstand voltage(Uimp): 4kV; Dimensions and installation sizes: