- There are several cooling slot holes on the upper and lower ends of cabinet for fully cooling.
- High in universal coefficient due to the adoption of universal cabinet.
- The whole cabinet is artistic and elegant since the cabinet shape and separate dimension are designed according to golden section ratio.
- The protection grade of cabinet is IP30, the user can choose between IP20-IP40 according to the environmental requirements.
- The cabinet door is connected with framework by rotary moveable hinge to facilitate installation and the removal.
- Some electrical appliances can realize closing door operation to facilitate maintenance.
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Power users such as power plant, substation and industrial and mining enterprises, and used for electric energy conversion, distribution and control of lighting and distribution equipment.
Model and technical parameter

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Model Description
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Features
- There are several cooling slot holes on the upper and lower ends of cabinet for fully cooling.
- High in universal coefficient due to the adoption of universal cabinet.
- The whole cabinet is artistic and elegant since the cabinet shape and separate dimension are designed according to golden section ratio.
- The protection grade of cabinet is IP30, the user can choose between IP20-IP40 according to the environmental requirements.
- The cabinet door is connected with framework by rotary moveable hinge to facilitate installation and the removal.
- Some electrical appliances can realize closing door operation to facilitate maintenance.
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Conditions of Use
- Ambient temperature: Maximum temperature: +40℃; Minimum temperature: -15℃
- Ambient humidity: Daily average relative humidity: ≤95%; Monthly average relative humidity: ≤90%
- Altitude: ≤1,000m
- The seismic intensity is ≤8°
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Technical Parameters
Model
Rated voltage (V)
Rated current (A)
Rated short-circuit breaking current (kA)
Rated short-time withstand current (kA/1s)
Rated peak withstand current (kA)
GGD1
380
A
1000
15
15
30
B
600(630)
C
400
GGD2
380
A
1500(1600)
30
30
63
B
1000
C
600
GGD3
380
A
3150
50
50
105
B
2500
C
2000
GGD4
380
A
4000
80
80
176
B
3150
C
2500