Metal Rugged Frame GCK Electrical Distribution Box LV Switchgear Withdrawable Design

The GCK Low-Voltage Withdrawable Switchgear is a high-performance power distribution and motor control center (MCC) engineered for critical industrial applications. Designed for AC 50/60Hz systems with a rated voltage up to 660V, the GCK series is the industry standard for facilities that demand maximum operational uptime and personnel safety.

The hallmark of the GCK design is its fully withdrawable functional units. Each circuit (feeder or motor starter) is housed in a modular drawer that can be safely removed or replaced while the main busbar is energized. This modularity ensures that maintenance or upgrades can be performed in minutes rather than hours, significantly reducing costly plant shutdowns.

• Fully Withdrawable "Drawer" Design: Each functional unit is independent. Drawers feature distinct Connected, Test, and Disconnected positions with clear mechanical indicators and reliable interlocking.

• High Breaking Capacity: Utilizing a robust busbar system, the GCK series can withstand high short-circuit currents (up to 80kA), making it suitable for large-scale power plants and heavy industrial hubs.

• Superior Personnel Safety: Features a "Dead-Front" design where all live parts are shielded. The mechanical interlocks prevent the drawer from being pulled out while the switch is in the "ON" position.

• Flexible Modular Architecture: The cabinet frame is constructed from C-type or 8MF profiles with a 20mm or 25mm modular hole system, allowing for custom configurations of feeders, motor starters, and capacitor banks in a single lineup.

• Optimized Heat Dissipation: Designed with dedicated ventilation channels and high-conductivity copper busbars to ensure low temperature rise even under 100% continuous load.

1. Power Generation & Distribution: Main distribution panels for thermal, hydro, and nuclear power plants.

2. Petrochemical & Mining: Reliable motor control for pumps, compressors, and conveyors in hazardous or remote environments.

3. Metallurgy & Steel Mills: Managing high-current loads and heavy-duty motor starters with rapid maintenance requirements.

4. High-Rise Buildings & Data Centers: Ensuring uninterrupted power for HVAC, elevators, and critical IT infrastructure.

• Silver-Plated Primary Contacts: The "plug-in" contacts of the withdrawable drawers are heavily silver-plated to ensure low contact resistance and prevent oxidation over decades of service.

• Rugged Frame Construction: Frames are CNC-punched and bolted for high structural precision, ensuring that drawers slide smoothly without jamming, even after years of use.

• Smart Monitoring Integration: Can be equipped with intelligent multifunctional meters and RS485/Modbus communication modules for real-time energy management and remote fault diagnostics.

• Custom Engineering: We offer specialized configurations including top or bottom cable entry, back-to-back installation, and integration of specialized protection relays.

Q: What is the difference between GCK and GCS switchgear?

A: GCK is generally more cost-effective and uses a manual mechanical interlocking system. GCS is a higher-end design with higher power density and slightly different busbar arrangements. Both are withdrawable and highly reliable.

Q: Can I replace a drawer while the busbar is live?

A: Yes. The "withdrawable" design is specifically intended for this. However, safety protocols must be followed, and the specific drawer must be switched to the "OFF" and "Disconnected" position before removal.

Q: Do you support international shipping for complete lineups?

A: Absolutely. We package our switchgear in reinforced sea-worthy wooden crates and can provide the units in sections (shipping splits) for easy re-assembly at your site.

The altitude does not exceed 2,000 meters above sea level.
1, the ambient air temperature is not higher than +40℃, not lower than -5℃, and the average temperature within 24 hours is not higher than +35℃.
2, atmospheric conditions: the air is clean, the relative humidity at the temperature of +40 DEG C is not more than 50%, the
temperature is low to allow a higher relative humidity, such as +20 DEG C is 90%.
3, no fire, explosion danger, serious pollution, chemical corrosion and violent vibration of the place.
4. Tilt with vertical plane not more than 5°.
5, the control center is suitable for the following temperature transport and storage process: -25℃ ~+55℃, in a short time (not more than 24h) not more than +70℃.