Detailed Product Description

General:

HUM18-125 series miniature circuit breaker (MCB) is applied to protect the over-current of electrical apparatus and circuit device of construction and similar building in the circuit with rated frequency of AC 50Hz, rated voltage of 230V/400V and max rated current of 125A. It can also be applied as the infrequent make-break operation. Pole number is from1 pole up to 4 poles.
The rated limit short circuit breaking capacity is 10kA and mechanical lifetime is 20,000 times.
This product conforms to the standards of IEC60898: 1995 and GB10963-1999 (requirements of over-current protection circuit breaker for household or other uses).

Main technical parameter:

1. Frame size rated current Inm: 40A

2. Rated voltage Ue: 50Hz, 230V/400V.

3. Rated current In: C type: 63A, 80A, 100A, 125A; D type:63A, 80A,100A

4. Rated breaking capacity Ics=7500A, Icn=15000A.

5. Pole number: 1P, 1P+N, 2P, 3P, 3P+N, 4P.

6. Mechanical life: 8000 times

7. Electric life: 4000 times.

8. Instantaneous release type and current range:

C Type: use in lighting distribution, socket loop or parts of motivity distribution system.

D Type: use in motivity or strong electromagnetic induction load loop,for example motor load etc, 10In~20In.