Grid-Connected Cabinet
Rated Voltage: AC 380V/220V, 50Hz
Rated Current: 100A, 250A, 400A, 630A, 800A, 1250A, 2000A
Short-Time Withstand Current: 16ka, 25ka, 31.5ka, 50ka
Rated Insulation Voltage: 660V
Brand: ABB, Chint, Siemens, Omron, Delixi, etc.
Application Range: Industry, Factories, Buildings, New Energy, etc.
Zhejiang Tianrun Electric Co., Ltd. is one of the leading manufacturers and suppliers of grid-connected cabinet in China. We are committed to providing high quality customized products with competitive price. We warmly welcome you to buy bulk advanced grid-connected cabinet from our factory. Also, quotation is available.
Product Overview
The GGD AC Low Voltage Power Distribution Cabinet is a low voltage distribution box, initiated in 1991 by the Ministry of Energy to promote technological advancement in China's low-voltage distribution industry and expedite the upgrade of complete sets of low-voltage switchgear equipment. Developed by NLS, the product is widely used in power plants, substations, industrial and mining enterprises and other electricity users for energy conversion, distribution and control of power, lighting and distribution equipment. Featuring high breaking capacity, good dynamic thermal stability, flexible electrical schemes, convenient assembly, strong practicality, innovative structure and high protection level, it can be used as an upgraded product for complete sets of low-voltage switchgear equipment.

Type Designation

Product Features
High electrical performance
High breaking capacity with good dynamic and thermal stability for safe, stable long-term operation.
Flexible and convenient
Diverse electrical schemes with easy assembly and maintenance, offering strong practicality for various applications.
Innovative and reliable
Innovative structure with a high protection level, meeting strict industrial and power supply requirements.
Main Technical Parameter
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Electrical Performance |
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△ Basic Technical Parameters |
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|
Model |
Rated Voltage (V) |
Rated Current (A) |
Rated Short-circuit Breaking Current (kA) |
Rated Short-circuit Breaking Current (kA) |
Rated Peak Withstand Current (kA) |
|
GGD1 |
380 |
A 1000 |
15 |
15 |
30 |
|
B600 (630) |
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|
C400 |
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GGD2 |
380 |
A1500 (1600) |
30 |
30 |
63 |
|
B1000 |
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|
C |
|||||
|
GGD3 |
380 |
A3200 |
50 |
50 |
105 |
|
B2500 |
|||||
|
C 2000 |
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Structure Features

Conditions of Use
- Ambient temperature: Shall not exceed +40℃ or fall below -5℃, with an average temperature within 24 hours not exceeding +35℃.
- Location and altitude: For indoor installation and use, with the altitude of the location not exceeding 2000m.
- Relative humidity: Shall not exceed 50% at the highest temperature of +40℃; higher relative humidity is allowed at lower temperatures, and the potential impact of occasional condensation due to temperature fluctuations should be considered.
- Installation conditions: The tilt angle from the vertical plane during equipment installation shall not exceed 5°.
- Site requirements: The equipment shall be installed in a place without severe vibration and impact, and where electrical components are not subject to corrosion.
- Note: Users with special requirements can negotiate with the manufacturer for a solution.
Application Scenarios
Power Generation & Electricity Industry
Used in auxiliary power systems of power plants for energy conversion, distribution and control of power, lighting and distribution equipment on the generation side.
01
Power Transmission & Distribution Systems
Used for power distribution and feeder circuits in substations, ensuring reliable power supply to station equipment and outgoing lines.
02
Industrial Sector
Used for power distribution, lighting distribution and equipment control in workshops of industrial and mining enterprises, suited to high-load, multi-circuit scenarios.
03
Buildings & Public Facilities
Used in power and lighting distribution systems of buildings and public facilities, meeting general power supply and distribution needs.
04
Other Electricity Users
Suitable for various general electricity users requiring low-voltage power distribution and control, serving as an upgraded product for complete sets of low-voltage switchgear equipment.
05
FAQ
Q: What is the GGD?
A: The GGD AC Low Voltage Power Distribution Cabinet is a low voltage distribution box initiated in 1991 by the Ministry of Energy, suitable for AC50Hz, 380V power distribution systems and widely used in power plants, substations, industrial and mining enterprises as an upgraded product for conventional low-voltage switchgear.
Q: How to choose between GGD and drawer-type cabinets (GCK/GCS/MNS)?
A: The GGD is a fixed-type distribution cabinet with a simple structure and lower cost, suitable for general distribution with relatively stable loads; drawer-type cabinets allow units to be drawn out for maintenance, better suiting applications requiring continuous supply and maintenance flexibility.
Q: Can the GGD be used for PV grid connection?
A: Yes. The GGD type PV grid-connected cabinet is dedicated to PV station grid connection, linking the PV station to the grid as the system boundary point, with metering, protection and remote control functions configurable.
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