NL1-63 residual current action circuit breaker (without overcurrent protection) is suitable for AC 50Hz, rated voltage at two poles 230V, four poles 400V, rated current to 63A 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 an infrequent conversion start of the line.
The products are suitable for various places such as industrial, commercial, high-rise and residential buildings.
Comply with standards: GB/T 16916.1, IEC 61008-1, and obtain CCC, SEMKO, CE, RCC, EAC and Ukraine certifications.
Main parameters and technical performance
| Technical parameters item | Parameter value | | Rated voltage (Ue) | 230V AC(1P+N) , 400V AC(3P+N) | | Rated current (In) | 25A、40A、 63A | | Rated insulation voltage (Ui) | 500V | | Rated impulse withstand voltage (Uimp) | 4kV | | Rated residual operating current(△N) | 0.03A , 0.1A.0.3A | | Number of poles | 1P+N、3P+N | | According to the working condition when there is a DC component | AC type | | Rated Limit Short-Circuit Current (m) | 6000A | | Rated Limit Residual Short-Circuit Current (I△m) | 6000A | | Rated Switching and Breaking Capacity (Inc) | 500A(In=25 , 40A) ; 630A(In= 63A) | | Rated residual on- and breaking capacity (△c) | 500A(n=25 , 40A) ; 630A(In= 63A) | | Rated residual inactive current | 0.5I△n |
This article introduces CHINT/CHINT NL1-63 residual current action circuit breaker if you are interested, please also contact our customer service, we are looking forward to your call, hope our technology and service can bring you a better experience.
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