Circuit Breaker>>Mould Case Circuit Breaker>>AM4 Series
1.Application
AM4 series MCCB is applicable circuit of AC 50/60Hz, rated current 25-250A, for distributeenergy of electricity & infrequent making & breaking circuit in normal conditions. The productsconforms to IEC60947-2.
2. Specification
Type |
AM4-125 |
AM4-250 |
|
Poles number |
3 |
3 |
|
Rated current In(A) |
25~125 |
125~250 |
|
Rated working voltage Ue(V) (50/60Hz) |
500 |
600 |
|
Rated working voltage Ue(V) |
250 |
250 |
|
Rated insulation voltage Ui~(V) |
500 |
690 |
|
Rated impulse voltage Uimp(KV) |
6 |
8 |
|
Utilisation category |
A |
A |
|
Rated limitedshort-circuit breaking capacityIcu(KA) |
230/240V~ |
22 |
60 |
400/415V~ |
16 |
36 |
|
440V~ |
10 |
30 |
|
480/500V~ |
8 |
25 |
|
600V~ |
-
| 20 |
|
690V~ |
-
| 16 |
|
250V |
16 |
36 |
|
Rated short-circuit breaking service capacity Ics(%Icu) |
100 |
100 |
|
Life(open, close fora time) |
Mechanical |
7000 |
7000 |
Electrical |
1000 |
1000 |
|