NB7LE series residual current action circuit breaker is suitable for AC 50Hz, rated voltage single pole two wires, two poles 230V, three poles, three poles four wires, four poles 400V, rated current to 63A in the line, when the person is electrocuted or the leakage current of the power grid exceeds the specified value, the residual current action circuit breaker can quickly cut off the fault power supply in a very short time, protect the safety of people and electrical equipment, and can also be used as the overload and short circuit protection of the line. and infrequent switching on and off electrical installations and lighting circuits under normal circumstances, especially suitable for industrial and commercial lighting power distribution systems.
Comply with standards: GB/T 16917.1, IEC61009-1, and obtain CCC and other certifications.
| Rated voltage (Ue) | 230V AC(1P+N、2P)、 400V AC(3P、3P+N、 4P) . | | Rated current (In) | The shell level current of 32A is: 6A, 10A, 16A, 20A, 25A, 32A | | The shell level current of 63A is: 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A | | Rated insulation voltage (Ui) | 500V | | Rated impulse withstand voltage (Uimp) | 4kV | | Rated residual operating current(△N) | 0.03A、0.1A、 0.3A | | Rated residual non-operating current (I△no) | 0.51An | | Number of poles | 1P+N、2P、3P、3P+N、4P | | Instantaneous trip type | Type C, Type D | | Rated short-circuit breaking capacity Icn) | 6000A(C6 ~ C40)、4500A(C50、 C63、 D6 ~ D63) | | Rated residual on-off and breaking capacity (I△m) | 2kA |
This article introduces CHINT/CHINT NB7LE series residual current action circuit breaker If you are interested, please also contact our customer service, we are looking forward to your call, and hope our technology and service can bring you a better experience.
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