Metal-clad switchgear GBM
GBM cubicle structure is made of folded high quality aluminum zinc coated steel
plate linking with screws alloperations are carried out at the door closed state,
high protection class to prevent miscellaneous articles.and insects.
simple and effective, prevent misuse,can be equipped with VSG or VD4
vacuum circuit breaker according to user requirements,The circuit breaker replacement
is extremely simple, good handcart interchangeability.Ample space in cable compartment,
multiple cables can be connected; Quick earthing switch is applied to earthing and loop shorting.
circuit breaker compartment, relay compartment, cable compartment can be separately equipped
with an extra heater according to users’ requirements to to prevent condensation and corrosion,
circuit breaker compartment, cable compartment can be separately installed with lighting devices
according to user requirements, to facilitate maintenance and repair.
|
NO.
|
Name
|
Unit
|
Parameters
|
|
1
|
Rated insulation level
|
Rated Voltage
|
kV
|
12
|
|
|
|
1min Power frequency withstand voltage
|
kV
|
42
|
|
2
|
lightning impulse withstand voltage(full wave）
|
kV
|
75
|
|
3
|
Rated Frequency
|
Hz
|
50
|
|
4
|
Rated current
|
A
|
3150
|
|
5
|
4s Short time withstand current
|
kA
|
40
|
|
6
|
Rated peak withstand current
|
kA
|
100
|
|
7
|
protection class
|
|
Enclosure :IP4X，each isolated ventricular septal plate:IP2X
|
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