NB1L-40□ 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 40A 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 protect the overload or short circuit of the line, and can also be used as an infrequent conversion of the line.
The product is suitable for various places such as industrial, commercial, high-rise buildings and residential buildings.
Comply with standards: GB/T 16917.1, IEC 61009-1, and obtain CCC, CE, SEMKO 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 (In) | 1A、2A、3A 4A 6A、10A、16A、 20A 25A 32A 40A | | Rated insulation voltage (Ui) | 500V | | Rated impulse withstand voltage (Uimp) | 4kV | | Rated residual operating current( 14N ) | 0.03A,0.1A,0.3A(NB1L-40) ; 0.03A(NB1L-40H) | | Rated residual inactive current (I4no) | 0.51An | | Residual current protection type | AC type | | Number of poles | 1P+N、2P、 3P、3P+N、 4P | | Instantaneous tripper type | Type C and D NB1L-40 | | Type C NB1L-40H | | Rated short-circuit breaking capacity (ICN } | 6000A(NB1L-40) ; 10000A(NB1L-40H) | | Rated residual on- and breaking capacity (14m} | 500A |
This article introduces CHINT/CHINT NB1L-40 □ residual current action circuit breaker interested, also please contact our customer service, we look forward to your call, hope our technology and service can bring you a better experience.
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