United Petroleum Services FZE

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.
(0.8~

1.0In)

M
fixed
In

T adj.
(0.8~

1.0In)

M adj.
In

T adj.
(0.8~

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