Circuit Breaker>>Mould Case Circuit Breaker>>AM8 Series
1.Application
AM8 series MCCB is one of new products developed and manufactured by adopting interna-tional advanced technology. It is supplied with rated insutaling voltage 690V and used for circuitof AC 50/60Hz, rated operating voltage AC 415V or below, rated opereating current from 16A to250A. It is designed for protection of electric circuit, motors, transformers and other equipments.The products conforms to IEC60947-2 standard.
2. Specification
Type |
AM8-160X |
AM8-160 |
AM8-250 |
AM8-400 |
AM8-630 |
|
Poles number |
3 |
3 |
3 |
3 |
3 |
|
Rated current In(A) |
20~160A |
50~160A |
100~250A |
200~400A |
315~400A |
|
Rated operating voltage Ue(V) AC 50/60Hz |
690 |
690 |
690 |
690 |
690 |
|
Rated insulation voltage Ui(V) |
800 |
800 |
800 |
800 |
800 |
|
Rated impulse withstand voltage Uimp(KV) |
8 |
8 |
8 |
8 |
8 |
|
Utilisation category |
A |
A |
A |
A |
A |
|
Rated ultimate short-circuit breaking capacityIcu(KA) |
AC 220/240V |
65 |
65 |
65 |
65 |
65 |
AC 380/415V |
40 |
40 |
40 |
40 |
40 |
|
AC 690V |
8 |
12 |
12 |
12 |
12 |
|
Rated short-circuit servicebreaking capacityIcs(KA) |
AC 220/240V |
65 |
65 |
65 |
65 |
65 |
AC 380/415V |
40 |
40 |
40 |
40 |
40 |
|
AC 690V |
4 |
6 |
6 |
6 |
6 |
Thermomagnetic
T(thermal)
M(maghetic)
AM8-160X |
AM8-160 |
AM8-250 |
||||||
In |
T adj. 1.0In) |
M fixed |
In |
T adj. 1.0In) |
M adj. |
In |
T adj. 1.0In) |
M adj. |
20A |
16~20A |
300A |
50A |
40~50A |
300~600A |
200A |
160~200A |
1000 ~2000A |
32A |
25~32A |
300A |
63A |
50~63A |
300~600A |
250A |
200~250A |
1200 ~2500A |
40A |
32~40A |
600A |
80A |
63~80A |
400~800A |
|||
50A |
40~50A |
600A |
100A |
80~100A |
500~1000A |
|||
63A |
50~63A |
600A |
125A |
100~125A |
625~1250A |
|||
80A |
63~80A |
1000A |
160A |
125~160A |
800~1600A |
|||
100A |
80~100A |
1000A |
||||||
125A |
100~125A |
1000A |
||||||
160A |
125~160A |
1500A |
AM8-400 |
AM8-630 |
||||
In |
T adjustable(0.8~1.0In) |
M adjustable |
In |
T adjustable(0.8~1.0In) |
M adjustable |
200A |
160~200A |
1000~2000A |
315A |
250~315A |
1575~3150A |
250A |
200~250A |
1200~2500A |
400A |
315~400A |
2000~4000A |
315A |
250~315A |
1575~3150A |
500A |
400~500A |
2500~5000A |
400A |
315~400A |
2000~4000A |
630A |
500~630A |
3250~6500A |