📌 Product Name
GGD Series Low-Voltage Fixed Distribution Cabinet (Indoor Type)
📝 Product Overview
The GGD type low-voltage fixed distribution cabinet is an economical and practical low-voltage switchgear. The rated current of the main busbar ranges from 400A to 1600A, suitable for power distribution systems with AC 50(60)Hz and rated working voltage of 400V to 690V. Adopting a fixed installation method, this product is widely used in power distribution, power control, and lighting distribution in various industrial and mining enterprises, commercial buildings, and infrastructure, for power distribution, control, protection, and monitoring.
With advanced design and modular structure, it complies with international standards such as GB7251.1 and IEC61439, featuring high safety, good maintainability, and intelligent expansion capabilities.
⚙️ Product Features
- Simple Structure: Fixed installation, compact structure, easy operation and maintenance
- Economical and Practical: High cost performance, suitable for small and medium-sized distribution projects
- Safe and Reliable: Fully enclosed metal structure with anti-misoperation and isolation devices; protection grade up to IP30, adapting to complex environments
- Flexible Configuration: Supports personalized customization of size, color, switch brand, and number of circuits
- Easy Installation: Standardized design for simple and quick on-site installation
- Strong Expandability: Can integrate modules such as remote monitoring, electric energy metering, and temperature and humidity monitoring, supporting later capacity expansion and function upgrading
- Compliant with Multiple Certifications: CCC, CE, ISO9001; 100% inspection before delivery
🏭 Application Fields
- Industrial Field: Power distribution rooms of small and medium-sized factories
- Commercial Places: Power distribution in shopping malls and supermarkets
- Public Facilities: Power distribution systems in schools and hospitals
- Infrastructure: Community distribution rooms and pump room control
- Agricultural Production: Power distribution control for agricultural processing equipment
Main Structural Components
| Component | Function Description |
|---|---|
| Cabinet Frame | Assembled with high-quality cold-rolled steel plates, divided into busbar room, electrical component room, and cable room |
| Main Busbar System | Horizontal busbar (400A-1600A) with optional copper bar specifications |
| Functional Units | Fixed-installed electrical components such as circuit breakers, contactors, and fuses |
| Protection System | Functions such as overload and short-circuit protection |
| Instrument Monitoring | Optional voltmeters, ammeters, energy meters, etc. |
| Incoming and Outgoing Line System | Optional bottom or top incoming/outgoing line methods |
📐 Technical Parameters
| Item | Parameter Range |
|---|---|
| Rated Working Voltage | AC400V (max. 690V) |
| Rated Insulation Voltage | AC690V |
| Rated Frequency | 50/60Hz |
| Rated Current of Main Busbar | 400A/630A/800A/1000A/1250A/1600A |
| Rated Short-Time Withstand Current | 15kA/1s (main busbar) |
| Rated Peak Withstand Current | 30kA |
| Protection Grade | IP30/IP40 |
| Cabinet Material | Cold-rolled steel plate/stainless steel plate/galvanized steel plate (optional) |
| Cabinet Size | Width 600 (800/1000) mm × Depth 600 (800) mm × Height 2200 mm |
| Operating Ambient Temperature | -5℃～+45℃ (extreme -15℃) |
| Relative Humidity | ≤95% (+25℃, no condensation) |
| Altitude Requirement | ≤2000m |
| Executive Standards | – GB/T 7251.2-2023 “Low-Voltage Switchgear and Controlgear Assemblies” – GB/T 15576-2020 “Low-Voltage Reactive Power Compensation Devices” – IEC 61439-1:2020 Low-Voltage Switchgear Standards |
🔌 Optional Configurations and Expansion Modules
- Smart electric meter / power quality analysis module
- RS485 communication interface (Modbus protocol)
- PLC controller, touch screen intelligent monitoring system
- UPS or diesel generator linkage interface
- Temperature and humidity sensor, heating and dehumidification device
- Leakage monitoring, fault indicator
📦 Packaging and Delivery
- 100% electrical performance testing before leaving the factory
- Provide installation instructions, electrical schematics, and qualification certificates
- Standard wooden box packaging, suitable for long-distance transportation
- Delivery cycle: 15～20 working days for standard configuration; please inquire separately for customized products
🛠️ Installation and After-Sales Service
- Attached with installation guide, supporting remote video or on-site technical guidance
- Warranty period: 12 months
- Service method: Provide 7×24-hour technical support, support regular inspection and parts replacement
- Support OEM/ODM mass customization
8. Selection Suggestions and Precautions
- Current Rating Selection:
- Select the main busbar current according to 1.2 times the actual load
- Consider the development margin for the next 5 years
- Protection Configuration:
- It is recommended to configure frame circuit breakers for important circuits
- Molded case circuit breakers can be used for general circuits
- Installation Environment:
- Anti-condensation measures are recommended for humid environments
- Protection upgrade should be considered for dusty environments
- Special Requirements:
- A compensation cabinet can be added when there is a need for reactive power compensation
- Dual power supply switching is recommended for important loads
- Space Consideration:
- Confirm the size limit of the installation site
- Consider the space required for maintenance and operation
Note: This product can be configured with components from mainstream domestic brands (such as Chint, Delixi, Changshu Switch, etc.), providing multiple cost-effective solutions. It is recommended to provide a detailed load list and system diagram to recommend the optimal configuration. For special application requirements, customized design solutions can be provided.
