The GCK Series Low-Voltage Switchgear is a high-performance, fully withdrawable power distribution cabinet designed for AC 50/60Hz systems with rated voltages up to 690V. It is the gold standard for Motor Control Centers (MCC) and main distribution boards in power plants, industrial factories, and high-rise commercial buildings.

Built with a modular "C-type" profile frame, the GCK system allows for a high concentration of functional units in a compact footprint. Each drawer (functional unit) is physically isolated, ensuring that maintenance or replacement of a specific circuit can be performed without interrupting the power supply to the rest of the board. With its superior mechanical interlocking and high short-circuit withstand capacity, the GCK is engineered for environments where operational safety and continuity are critical.

• Advanced Withdrawable Architecture: Functional units are housed in independent drawers with clear Connected, Test, and Disconnected positions. This allows for rapid replacement and minimizes downtime during maintenance.

• Superior Mechanical Interlocking: Features a foolproof interlocking system that prevents the drawer from being pulled out while the circuit breaker is in the "ON" position, ensuring maximum operator safety.

• High-Purity T2 Copper Busbar: Utilizes a main busbar system made of high-conductivity T2 copper. The horizontal busbars are placed on the top or rear of the cabinet, while vertical busbars are housed in a specialized flame-retardant plastic enclosure.

• Corrosion-Resistant Al-Zn Frame: The cabinet framework is constructed from 2.0mm Al-Zn (Aluminum-Zinc) coated steel plates, providing exceptional mechanical rigidity and superior corrosion resistance without the need for additional painting.

• Flexible Modular Design: Supports various drawer sizes (1-unit, 1/2-unit, and 2-unit) to accommodate different current ratings and functional requirements within a single vertical section.

1. Industrial Manufacturing: Ideal for heavy-duty motor control in steel mills, cement plants, and chemical refineries.

2. Power Generation: Main LV distribution switchboards for hydroelectric, thermal, and renewable energy power stations.

3. Critical Infrastructure: Centralized power hubs for international airports, water treatment plants, and subway systems.

4. Commercial Real Estate: Reliable power distribution for landmark skyscrapers, luxury hotels, and large-scale data centers.

• Silver-Plated Contact Technology: All plug-in contacts are silver-plated to ensure minimum contact resistance, preventing thermal oxidation over years of heavy use.

• Intelligent Monitoring Ready: Our panels are compatible with Smart MCC technology, integrating Modbus or Ethernet-based communication for remote monitoring and predictive maintenance.

• Global Component Compatibility: While we offer high-quality standard switchgear, our design is fully compatible with international brands like ABB, Schneider, and Siemens circuit breakers.

• Strict Factory Testing: Every unit undergoes rigorous insulation resistance, dielectric withstand, and mechanical sequence testing before leaving our facility.

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

A: GCK typically uses a mechanical drive for the drawer movement and is highly cost-effective for industrial MCC applications. GCS/MNS models often offer higher density and different busbar placements suited for high-end international projects.

Q: Can the busbar be placed on the top of the cabinet?

A: Yes. We offer flexible busbar configurations, including top-mounted or rear-mounted, depending on your cable entry requirements (top or bottom entry).

Q: Is the cabinet suitable for outdoor use?

A: The standard GCK is an indoor IP40 cabinet. For outdoor applications, we can house the switchgear within a weatherproof, climate-controlled outdoor kiosk or containerized substation.

GCK/GCS/MNS Low voltage extraction switchgear

GCK/GCS/MNS Low-voltage extraction switchgear complete set of switchgear is suitable for AC 50Hz, rated working voltage 380V low-voltage distribution system. It contains the functions of power center (PC) and motor control center (MCC), the technical parameters are up to the national standards, with beautiful appearance, high electrical performance, high protection level, safe and reliable,easy maintenance and other characteristics, is the metallurgy, petroleum, chemical, electric power, machinery, light textile and other industries low-voltage power supply system distribution device. This product conforms to IEC-439, GB7251.1 standard.

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℃.