Product Overview

The GCK Series Low-Voltage Withdrawable Switchgear is a high-end power distribution and motor control solution engineered for the modern industrial grid. Designed for AC 50/60Hz systems with rated voltages up to 660V, the GCK series is the gold standard for facilities where service continuity is non-negotiable. It contains the functions of power center (PC) and motor control center (MCC).

The "Extraction" or "Withdrawable" design allows each functional unit (feeders or motor starters) to be housed in independent, modular drawers. These units can be moved into Connected, Test, and Disconnected positions with a mechanical interlock, allowing for safe "hot-swap" maintenance. This architecture significantly reduces Mean Time to Repair (MTTR) and ensures that critical processes—such as those in power plants, refineries, and data centers—remain operational.

This product conforms to IEC-439, GB7251.1 standard.

Key Technical Advantages

• High-Reliability Extraction Design: Drawers utilize a specialized primary plug-in contact system with high-pressure, silver-plated connectors to ensure low contact resistance and heat rise during continuous operation.

• Structural Precision: The cabinet frame is assembled using C-type or 8MF profiles with a 20mm/25mm modular hole system, ensuring perfect alignment and smooth drawer travel over the lifetime of the equipment.

• "Five-Prevention" Interlocks: Integrated mechanical logic prevents:

  1. Moving the drawer while the circuit breaker is closed.

  2. Closing the breaker when the drawer is in an intermediate position.

  3. Accidental removal of the drawer while energized.

• Enhanced Busbar System: Features a high-conductivity T2 copper busbar system, often mounted in a dedicated rear compartment, providing high short-circuit withstand (Icw) up to 80kA.

• Space-Saving Vertical Sections: The vertical busbars are isolated in a specialized "power channel," allowing for high-density component mounting while maintaining safe clearances.

Technical Specifications

Operating environment conditions

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℃.

Primary Application Scenarios

1. Thermal & Hydro Power Plants: Managing main auxiliary power and high-current feeders with high reliability requirements.

2. Petrochemical & Oil Refineries: Protecting and controlling large-scale pumps and compressors in 24/7 continuous process environments.

3. Data Centers & Infrastructure: Providing modular power distribution that can be scaled or maintained without interrupting critical server loads.

4. Steel & Metallurgical Mills: Durable performance in harsh industrial environments with high vibration and dust levels.

Why Choose Our GCK Switchgear?

• Anti-Corrosive Enclosure: Every panel undergoes a rigorous multi-stage chemical treatment followed by high-grade electrostatic powder coating for maximum rust resistance.

• Component Versatility: We can integrate ACBs and MCCBs from global leaders like Schneider, ABB, and Siemens, or provide high-quality domestic alternatives to meet project budgets.

• Smart Grid Compatibility: Optional integration of intelligent multifunctional meters and RS485/Modbus communication for remote energy monitoring and predictive fault analysis.

• Strict Quality Assurance: Every complete set undergoes insulation tests, mechanical sequence tests, and circuit resistance tests before factory dispatch.

FAQ

Q: What is the benefit of GCK over a standard fixed-type panel?

A: Maintenance. In a GCK panel, if a breaker fails, you simply pull out the drawer and replace it with a spare in under 5 minutes. In a fixed panel, you might have to shut down the entire busbar for hours to perform the same repair.

Q: Can we customize the drawer heights?

A: Yes. We offer standard drawer heights in multiples of 200mm (e.g., 1/2 unit, 1 unit, 2 units). This allows for a mix of small motor starters and large feeders in a single vertical section.

Q: What are the shipping split options?

A: We typically ship panels in groups of 2 or 3 cabinets to ensure easy handling at the site. Every unit is crated in reinforced, sea-worthy wooden packaging.