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GGD Indoor Fixed Type Low Voltage Switchgear

GGD indoor fixed type low voltage switchgear is a new generation of low voltage distribution equipment designed based on the principles of safety, economy, rationality, and reliability. It adopts a fixed-type structure with all electrical components fixedly mounted inside the cabinet. The product features high breaking capacity, good dynamic and thermal stability, flexible electrical schemes, and a novel structure.

This switchgear is suitable for AC 50Hz/60Hz power distribution systems with rated working voltage of 400V/690V and rated current up to 4000A. It serves for power conversion, distribution, and control of motors, lighting, and power equipment in power plants, substations, industrial enterprises, commercial buildings, and residential communities


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Technical Parameters

Main Technical Parameters

Parameter	Unit	GGD1	GGD2	GGD3
Rated Working Voltage	V	380 / 400 / 660	380 / 400 / 660	380 / 400 / 660
Rated Insulation Voltage	V	660 / 1000	660 / 1000	660 / 1000
Rated Frequency	Hz	50 / 60	50 / 60	50 / 60
Horizontal Busbar Rated Current	A	1000	1500 (1600)	3150
Rated Short-Time Withstand Current (1s)	kA	15	30	50
Rated Peak Withstand Current	kA	30	63	105
Rated Short-Circuit Breaking Capacity	kA	15	30	50
Rated Power Frequency Withstand Voltage (1min)	V	2500	2500	2500

Model & Current Specification Table

Model	Rated Current (A)	Application
GGD1	400 / 600(630) / 1000	Small and medium power distribution
GGD2	600 / 1000 / 1500(1600)	Medium power distribution
GGD3	2000 / 2500 / 3150	Large power distribution

Copper Busbar Selection Table

Rated Current (A)	Copper Busbar Specifications (mm)	Quantity
400	40 × 4	1
630	50 × 5	1
1250	60 × 10	1
1600	80 × 10	1
2000	60 × 10	2
2500	80 × 10	2
3150	100 × 10	2

Outline Dimension Reference Table

Cabinet Type	W / Width (mm)	D / Depth (mm)	H / Height (mm)
Incoming Cabinet	600-1200	800-1200	2200
Outgoing Cabinet	600-1000	600-1000	2200
Capacitor Compensation Cabinet	800-1200	800-1200	2200
Metering Cabinet	600-800	600-800	2200
Bus-Tie Cabinet	600-1200	800-1200	2200

Application

Application	Recommended Model	Key Advantages
Power Plants	GGD2 / GGD3	High reliability, large capacity distribution
Substations	GGD2 / GGD3	Stable operation, easy maintenance
Industrial Enterprises	GGD1 / GGD2	Strong overload capacity, suitable for industrial environments
Commercial Buildings	GGD1 / GGD2	Compact structure, space saving
Residential Communities	GGD1	Reliable operation, cost-effective
Infrastructure	GGD2 / GGD3	High reliability, strong adaptability

Customization Services

Sline provides comprehensive customization services for GGD indoor fixed type low voltage switchgear based on your project requirements:

Customization Option	Description
Current Rating	400A ~ 4000A optional
Voltage Rating	400V / 690V optional
Incoming/Outgoing Methods	Top incoming / bottom outgoing, bottom incoming / top outgoing, etc.
Main Components	Domestic and international mainstream circuit breaker brands optional
Busbar Material	Copper / Aluminum optional
Surface Color	RAL standard colors optional
Smart Monitoring	Optional smart monitoring system supports remote communication

Ordering Information

Please specify the following information when ordering

Item	Description
Model	Complete model including main circuit scheme and auxiliary circuit scheme
Main Circuit Diagram	Main circuit system allocation diagram
Internal Layout	Internal allocation diagram of the switchgear
Auxiliary Circuit Diagram	Electric diagram of auxiliary contact
Component List	Name, model, specification, and quantity of adopted components

For detailed technical drawings or customized solutions, please contact the Sline technical team. We will provide one-on-one engineer-led service throughout the process.