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Residual Current Circuit Breaker
HB232-40
HB234-25
HB232 Residual Current Circuit Breaker(RCCB)
Construction and Feature
■Provides protection against earth fault/leakage current and function of isolation.
■High short-circuit current withstand capacity
■Applicable to terminal and pin/fork type busbar connection
■Equipped with finger protected connection terminals
■Fire resistant plastic parts endures abnormal heating and strong impact
■Automatically disconnect the circuit when earth fault/leakage current occurs and exceeds the rated sensitivity.
■Independent of power supply and line voltage, and free from external interference, voltage fluctuation.
Technical Data
■Mode: electro-magnetic type, electronic type
■Residual current characteristics: A, AC
■Pole No.: 2, 4
■Rated making and breaking capacity: 630A
■Rated current(A): 16, 25, 40, 63
■Rated voltage: 240/415V AC
■Rated frequency: 50/60Hz
■Rated residual operating current I n(A): 0.03, 0.1, 0.3, 0.5
■Rated residual non operating current I no: 0.5I n
■Rated conditional short-circuit current Inc: 10kA
■Rated conditional residual short-circuit Current I c: 10kA
■Tripping duration: instantaneous tripping 0.1s
■Residual tripping current range: 0.5I n~I n
■Terminal Connection Height: 21mm
■Electro-mechanical endurance:
4000 cycles
Connection capacity: Rigid conductor 25mm2
