Overview
The GGD Low Voltage AC Distribution Cabinet is an advanced power distribution solution designed for various industrial and commercial applications. This cabinet is used for power distribution and motor control in power plants, factories, high-rise buildings, petrochemical facilities, and other large-scale installations. It complies with both national and international electrical standards to ensure high reliability, safety, and operational efficiency.
Product Features
- Voltage Levels: Supports 380V/660V rated working voltage.
- High Current Capacity: Rated current up to 3150A, suitable for low-voltage distribution transformers up to 2000kVA.
- Short-Circuit Protection: Withstands 15kA to 50kA short-circuit breaking current, ensuring system safety.
- Flexible Configuration: Designed to accommodate different busbar layouts based on system requirements.
- Enclosure Protection: IP30/IP40 protection class for dust and water resistance.
Model Description
The GGD cabinet series follows a structured classification system to allow customization based on application needs.
Model Naming Conventions:
- G – Low voltage switchgear
- G – Fixed installation
- D – Power distribution cabinet
- □ – Main circuit scheme number
- □ – Auxiliary circuit scheme number
This structured model allows for enhanced modular design and easy system integration.
Ambient Operating Conditions
For optimal performance, the GGD cabinet is designed to operate under the following environmental conditions:
- Temperature Range: -5°C to +40°C (Short-term storage up to +70°C).
- Humidity: Max 50% at 40°C, allowing higher humidity levels at lower temperatures.
- Altitude: Not exceeding 2000 meters.
- Installation Inclination: Less than 5° from the vertical.
- Vibration & Shock Resistance: Suitable for environments free from heavy mechanical shocks.
Electrical Performance & Technical Specifications
The GGD cabinet series is available in three primary configurations based on current rating and short-circuit capacity:
| Model | Rated Voltage (V) | Rated Current (A) | Short-Circuit Breaking Current (KA) | Short-Time Withstand Current (1s) (KA) | Peak Withstand Power (KA) |
|---|---|---|---|---|---|
| GGD1 | 380 | 1000 / 600 / 400 | 15 | 15 | 30 |
| GGD2 | 380 | 1500 / 1000 / 600 | 30 | 30 | 63 |
| GGD3 | 380 | 3150 / 2500 / 2000 | 50 | 50 | 105 |
The GGD cabinet meets the stringent IEC 60439-1 and GB 7251.1-2005 low-voltage switchgear standards.
Structural Features
The GGD cabinet is built using a modular assembly design, allowing easy customization for different applications. Key structural highlights include:
- Robust Frame: Constructed with galvanized steel, ensuring high mechanical strength and resistance to corrosion.
- Busbar System: Designed with aluminum or copper busbars to optimize cost and conductivity.
- Flexible Internal Layout: Allows integration of various electrical components including circuit breakers, contactors, and monitoring devices.
- Ease of Maintenance: Front and rear access doors enable convenient servicing of internal components.
Installation & Operation Guidelines
Installation Requirements:
- Ensure a flat and stable foundation before cabinet installation.
- Secure the cabinet using foundation bolts as per the layout diagram.
- Align busbars properly to ensure proper connectivity.
- Maintain at least 800-1200mm clearance at the rear for maintenance access.
Operational Considerations:
- Circuit Breaker Maintenance: Regular inspection is required, especially after multiple switching cycles.
- Environmental Protection: Keep the cabinet free from dust and moisture to extend lifespan.
- Safety Locking Mechanism: Integrated interlocks prevent accidental operations.
Dimensions & Mounting Specifications
The GGD cabinet series comes in multiple size configurations to meet different spatial and power distribution requirements.
| Product Code | Width (A) (mm) | Depth (B) (mm) | Height (C) (mm) | Depth (D) (mm) |
|---|---|---|---|---|
| GGD06 | 600 | 600 | 450 | 556 |
| GGD06A | 600 | 800 | 450 | 756 |
| GGD08 | 800 | 600 | 650 | 556 |
| GGD08A | 800 | 800 | 650 | 756 |
| GGD10A | 1000 | 600 | 850 | 556 |
| GGD10A | 1000 | 800 | 850 | 756 |
| GGD12 | 1200 | 800 | 1050 | 756 |
Product Documentation & Accessories
Each GGD cabinet is supplied with detailed technical documentation and essential accessories:
- Packing List
- Certificate of Conformity
- Instruction Manual
- Factory Test Report
- Electrical Drawings
- Cabinet Door Keys & Spare Parts
This ensures easy installation, safe operation, and long-term reliability.
Conclusion
The GGD Low Voltage AC Distribution Cabinet is a high-performance, modular, and customizable switchgear solution designed to meet modern power distribution needs. With flexible configuration options, high safety standards, and robust construction, it is ideal for industrial, commercial, and infrastructure applications.
For more information, please contact us or refer to the technical documentation.
