Auxiliary contact
Alarm contact
Shunt release
Manual operating mechanism
Electric operating mechanism
Terminal guard
|
Model
|
NDM3-400C
|
|
Frame size Inm (A)
|
400
|
|
Rated current In (A)
|
225-400
|
|
Rated isolation voltage Ui (AC V)
|
1000
|
|
Rated impulse withstand voltage
Uimp (V) |
8000
|
|
Utilization category
|
A
|
|
Number of poles
|
3、4
|
|
Breaking capacity level
|
C/L/M/H
|
|
Rated ultimate short-circuit breaking
capacity Icu (kA) |
52.5
|
|
35Rated service short-circuit breaking
capacity Ics (kA) |
15-100
|
|
Electrical Mechanical
|
257*150*104.5
|
|
External dimensions
|
1000V
|
|
Arcing distance (mm)
|
≤100
|
|
Connection method
|
Front connection, P, Z1, Z2Q, Z2H, Z3Q, Z3H
|
