NB1LE-63□ residual current action circuit breaker is suitable for AC 50Hz, rated voltage unipolar two-wire, two-pole 230V, three-pole, three-pole four-wire, four-pole 400V, rated current up to 63A. When a person is electrocuted or the leakage current of the power grid exceeds the specified value, the residual current action circuit breaker can automatically cut off the power supply in a very short time to ensure personal safety and prevent accidents caused by leakage current of the equipment.
The residual current action circuit breaker also has the function of overload and short circuit protection, which can be used to protect the overload and short circuit of the line, and can also be used as an infrequent conversion of the line under normal circumstances.
Comply with standards: GB/T 16917.1, IEC 61009-1, and obtain CCC certification.
Main parameters and technical performance
| Technical parameters item | Parameter value | | Rated voltage (Ue) | 230V AC(1P+N、2P), 400V AC(3P、3P+N、 4P) | | Rated current(n) | 50A、63A | | Rated insulation voltage (Ui) | 500V | | Rated impulse withstand voltage (Uimp) | 4kV | | Rated residual operating current(I△n) | 0.03 | | Rated residual non-operating current (I△no) | 0.51An | | Residual current protection type | AC type | | Number of poles | 1P+N、2P、3P、3P+N、4P | | Instantaneous tripper type | Type C | | Rated short-circuit breaking capacity(CN) | 6000A(NB1LE-63),10000A(NB1LE-63H) | | Rated residual on-off and breaking capacity (I△m) | 500A(In=50A) ; 630A(In= 63A) |
This article introduces CHINT/CHINT NB1LE-63 □ 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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