Pole: 1, 2, 3, 4
kA: 6kA, 10kA
Amps: 6, 10, 16, 20, 25, 32, 40, 50, 63, 80
Width: 18, 36, 54, 72mm
WSB1-80 series Miniature Circuit Breaker is mainly applied at lines of AC 50Hz or 60Hz, rated operation voltage AC230V/400V, rated current upto 80A, for overloading and short circuit protection to the circuit, also for changeover of infrequent operation to the circuit. The MCB is used at places of commercial office building, residential building and buildings similar.
The product meets standards of IEC/EN60898-1 and GB10963.1, at advanced international quality level.
Main technical parameters
|Rated current||Initial state||Test current||Time limit||Expected result|
|1||In≤63||Cold state||1.13In||t≤1h||Not tripping|
|2||In≤63||Just followed the last test item||1.45In||t<1h||Tripping|
|4||Type C||Cold state||5In||t≤0.1s||Not tripping|
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