Application range
This circuit breaker is applied to protect the over-current of electrical apparatus and circuit device of construction and similar buildings in the circuit of AC 50Hz, rated voltage 230V and rated current 40A. It is also applied in the unfrequent making-breaking operation.
It accords with IEC60898:1995, GB10963-1999 standard.
Main technical parameter
1. Frame size rated current Inm: 40A
2. Rated voltage Ue: 50Hz, 230V.
3. Rated current In: 6, 10, 16, 20, 25, 32, 40A.
4. Rated breaking capacity Icn: 6000A.
5. Pole number: 1P+N, width is 18mm.
6. Mechanical life: 8000 times.
7. Electric life: 4000 times.
8. The tripping characteristic of circuit breaker is shown in Table 1 and Drawing 1.
Structure characteristic
Small bulk, good limiting current, high breaking capacity, having 1P+N double bre akpoints,switch on and switch-off synchro, N keeps switch-on first, then switch-off, w hich not only ensure the capacity of protection pole breaking arc, but also protect the controlled ci rcuit and electric device.Use enhance type connecting terminal,facility connection,ensure reliable connection of 1 mm2 to 6 mm2 lead. Complete accessories, the mini circ uit breaker can be equipped with auxiliary contact, alarming contact, shunt release, underv-oltage release and residual current operating protector module etc, they facilitate the intelligent application.