Application:
Molded Case Circuit Breakers CM1 series (hereinafter called as CM1 MCCB) is a newdesigned MCCB developed and manufactured adopting international advanced technology. MM1 MCCB rated insulating voltage AC 800V is suitable for using in the circuit of AC 50Hz /60Hz, rated voltage up to 690V, rated working current up to
In accordance with the ultimate short circuit breaking capacity classified into four types: Type C (basic), Type L (standard), Type M (middle), Type H (high).
◆ MCCB comply with the following standards:
◆ IEC 60947-1 and GB/T 14048.1 General
◆ IEC 60947-2 and GB/T 14048.2 Low voltage breakers.
◆ IEC 60947-4 and GB/T 14048.4 Contactors and motor starters.
Type
CM1-160X
CM1-160
CM1-250
V-400
CM1-630
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)
CM1-160X
CM1-160
CM1-250
In
T adjustable
(0.8~1.0In)M
fixedIn
T adjustable
(0.8~1.0In)M adjustable
In
T adjustable
(0.8~1.0In)M adjustable
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
CM1-400
CM1-630
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