OM3 Moulded Case Circuit Breaker (MCCB)
Specification
|
Breaking capacity
|
B
|
N
|
S
|
|
|
Rated current of frame size Inm
|
125
|
|||
|
Rated current In
|
10,12.5,16,20,25,32,40,50,63,80,100,125
|
|||
|
Rated insulation voltage Ui
|
500V
|
|||
|
Rated operating voltage Ue
|
400V
|
|||
|
Number of poles
|
3
|
|||
|
Icu 400V/50HZ O-CO (KA)Rated ultimate short-circuit breaking capacity
|
20
|
35
|
50
|
|
|
Ics 400V/50HZ O-CO-CO (KA)Rated service short-circuit breaking capacity
|
10
|
17.5
|
37.5
|
|
|
Icm 400V/50HZ O-CO (KA)Rated short-circuit making capacity
|
40/0.3
|
74/0.25
|
105/0.25
|
|
|
Uimp (V)
Rated impulse withstand voltage
|
8000
|
|||
|
Dielectric property (V)
|
2500
|
|||
|
Endurance
|
Total cycles
|
8000
|
||
|
Electrical endurance
|
1000
|
|||
|
Mechanical endurance
|
7000
|
|||
|
Ionization distance (mm)
|
≤30/0
|
|||
|
Over current trip unit
|
Thermal magnetic release
|
|
||
|
Intelligent trip unit
|
|
|||
|
Utilization category
|
Main circuit
|
A
|
||
|
Auxiliary circuit
|
AC-15
|
|||
|
Outline dimensions
|
W (mm)
|
76 76
|
||
|
L (mm)
|
120 120
|
|||
|
H (mm)
|
70 82
|
|||

