Introduction to GCS Low Voltage Withdrawable Switchgear
The GCS Low Voltage Withdrawable Switchgear is a high-performance, modular, and fully customizable low-voltage power distribution system. Developed for complex applications such as industrial automation, petrochemical systems, and power stations, it delivers exceptional control, safety, and reliability for three-phase AC systems up to 690V and 4000A.
Engineered with advanced modular design guide principles and equipped with a withdrawable drawer structure, this switchgear ensures seamless maintenance, flexible configuration, and maximum space efficiency. With protection ratings of IP30 or IP40 and full compliance with IEC 60439-1, the GCS system is ideal for high-demand and high-reliability environments.
Application Scope
The GCS low-voltage switchgear panel is widely used in:
- Power generation stations and substations
- Petrochemical and refinery plants
- Industrial control and automation systems
- Communication and data center facilities
- Urban infrastructure and utility grids
It serves as a central hub for power distribution, motor control, and reactive power compensation, especially where computer-aided supervision and automation are required.
Key Features
- Modular, Space-Saving Design: Available in multiple width and depth configurations, suitable for confined installations
- Drawer-Type Functional Units: Withdrawable units for easy maintenance and operation
- High Protection Grade: Up to IP40, ideal for industrial environments
- Advanced Busbar System: High-strength copper busbars with enhanced thermal stability and current capacity
- Excellent Mechanical Interlock and Safety: Mechanical linkage with open, closed, test, and draw-out positions
- Custom Configuration Support: Multiple cabinet types and internal layout designs based on project needs
Technical Data
Main Electrical Specifications
| Parameter | Data |
|---|
| Rated Voltage (Main Circuit) | AC 400V, 690V |
| Rated Voltage (Auxiliary Circuit) | AC 220V / 400V, DC 110V / 220V |
| Rated Frequency | 50Hz (60Hz optional) |
| Rated Insulation Voltage | 660V (1000V optional) |
| Rated Current (Horizontal Busbar) | Up to 4000A |
| Rated Current (Vertical Bus – MCC) | Up to 1000A |
| Short-time Withstand Current (1s) | 50kA / 80kA |
| Peak Withstand Current (0.1s) | 105kA / 176kA |
| Power Frequency Withstand Voltage | Main: 2500V / 1min; Auxiliary: 2000V / 1min |
| Busbar Configuration | 3P4W (ABC+N) / 3P5W (ABC+N+PE) |
Operating Conditions
| Parameter | Specification |
|---|
| Ambient Temperature | -15°C to +40°C |
| Daily Average Temperature | ≤35°C |
| Altitude | ≤2000m |
| Relative Humidity | ≤50% at 40°C, up to 90% at 20°C |
| Installation Inclination | ≤5% |
| Environment | Non-corrosive, non-flammable, clean air environment |
Structural Design & Dimensions
The GCS switchgear features a C-type assembly frame structure with E=20mm modular mounting holes. Internal structure is divided into functional compartments, including:
- Functional Unit Room
- Busbar Room
- Cable Room
Cabinet Dimensions
| Height (mm) | Width (mm) | Depth (mm) |
|---|
| 2200 | 400 / 600 / 800 / 1000 | 600 / 800 / 1000 |
Functional Unit Drawer Types
- Standard drawer height modulus: 160mm
- Drawer types: ½ unit, 1 unit, 1.5 unit, 2 unit, 3 unit
- Rated current per unit: up to 400A
- Max drawer configuration:
- 11 drawers (1 unit each)
- 22 drawers (½ unit each)
Drawers are equipped with mechanical interlocks and operation status indicators (open, close, test, draw-out). Connection between drawers and cable cabinets is standardized using ZJ-1 or ZJ-2 adapters depending on current size.
Busbar System
- Horizontal Busbar: Located at the rear compartment; double-layer for currents above 2500A
- Vertical Busbar: “L”-shaped hard copper with advanced oxidation protection
- PEN/PE Ground Busbar: Available for TN-C or TN-S systems
- Material: TMY-T2 series copper with treated surface for improved thermal conductivity and contact reliability
Advantages of GCS Low Voltage Withdrawable Switchgear
- Space-saving and scalable modular design
- Standardized drawers with strong interchangeability
- High safety and arc-resistance performance
- Easy maintenance with withdrawable unit configuration
- Long service life and minimal maintenance costs
- Fast deployment and simplified wiring process
- Fully customizable internal layout and protection schemes
PINEELE’s GCS Low Voltage Withdrawable Switchgear represents a new generation of safe, intelligent, and reliable power distribution systems for low-voltage networks. With a combination of modularity, high performance, and international standards compliance, this switchgear system is ready to meet the most demanding power control and protection needs of industrial users worldwide.
