NB8-40 miniature circuit breaker is mainly suitable for AC 50Hz, rated voltage to 240V, rated current to 40A in commercial office buildings, civil residential and general industrial use of terminal distribution lines, to provide overload, short circuit protection for the line, but also under normal circumstances for the line to carry out infrequent conversion operations.
Conform to the standard: GB/T10963.1 IEC60898-1
Technical parameters
Product model | NB8-40 | Rated current(A) | 1、2、3、4、6、10、16、20、25. 32、40 | Rated Voltage (V) | 230 | Rated Frequency (Hz) | 50 | Number of poles | 1P +N | Mechanical life (times) | 20000 | Electrical life (times) | 10000 | Rated short-circuit breaking capacity (A) | 6000 | Running short-circuit breaking capacity (A) | 6000 | Rated insulation voltage (V) | 500 | Rated impulse withstand voltage (1.2/50)(kV) | 4 | Dielectric test voltage (V) | (50Hz, 1 minute) 2000 | This article introduces CHINT/CHINT NB8-40 miniature circuit breaker products 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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