OM3 Moulded Case Circuit Breaker (MCCB)
The characters of our Moulded Case Circuit Breaker as below:
The characters of our Moulded Case Circuit Breaker as below:
1.Application
OM3 series moulded case circuit breaker is the applicable circuit of AC 50Hz(or 60Hz),ratedinsulation voltage 690V(OM3-125 500V),rated operating voltage AC 690V or below ,rated oper-ating current 12.5-1600A, for distribute energy of electric and infrequent making and breakingcircuit in normal condition. The circuit-breakers are provided with the function of the protectionagainst overload and short circuit and under-voltage. The circuit breakers comply with standardof IEC60947-2.The circuit-breakers are double insulating (Inm=250A or above), the controlcircuit of the accessories is set apart with the main circuit , and it doesn't need to open the coverof the circuit-breaker when we install the accessories.
2. Specification
|
Type
|
Pole number
|
Rated insulating voltage(V)
|
Rated operating voltage(V)
|
Ultimate short circuitbreaking capacity Icu(KA)
|
Rated short-circuitserrice breakingcapocity Ics(%icu)
|
Utilization category
|
|
|
AC380V(400)
|
AC660V(690)
|
||||||
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OM3-125L
|
1,2,3,4
|
500
|
500
|
25
|
-
|
50%
|
A
|
|
OM3-160L
|
3,4
|
690
|
690 and below
|
35
|
8
|
75%
|
|
|
OM3-160M
|
50
|
10
|
75%
|
||||
|
OM3-250L
|
800
|
35
|
14
|
100%
|
|||
|
OM3-250M
|
65
|
18
|
75%
|
||||
|
OM3-250H
|
85
|
20
|
75%
|
||||
|
OM3-400L
|
35
|
18
|
100%
|
||||
|
OM3-400M
|
65
|
22
|
100%
|
||||
|
OM3-400H
|
100
|
30
|
75%
|
||||
|
OM3-630L
|
35
|
20
|
100%
|
||||
|
OM3-630M
|
50
|
22
|
100%
|
||||
|
OM3-630H
|
65
|
25
|
100%
|
||||
|
OM3-800L
|
35
|
20
|
100%
|
||||
|
OM3-800M
|
50
|
22
|
100%
|
||||
|
OM3-800H
|
65
|
25
|
100%
|
||||
|
OM3-1250/1600L
|
3
|
50
|
20
|
100%
|
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If you want more informaiton of our Moulded Case Circuit Breaker, please contact us in time.