GCS Low Voltage Switchgear Withdrawable Large Capacity Electric Distribution

Product Overview

The GCS series is an advanced low-voltage withdrawable switchgear system designed to meet the rigorous demands of power users for high reliability, safety, and large-capacity distribution. Originally developed to set a new standard in power distribution, the GCS system functions perfectly as both a Power Center (PC) and a high-performance Motor Control Center (MCC).

Its standout advantage is on-load maintenance capability. Thanks to the precision-engineered withdrawable units, operators can service or replace individual functional drawers without de-energizing the entire cabinet, significantly minimizing downtime for critical operations.

Key Technical Highlights

• Advanced Compartmentalization: The interior is strictly divided into three isolated zones: the Busbar Chamber, the Functional Unit (Drawer) Chamber, and the Cable Chamber. This "Chamber Isolation" design effectively contains internal arcs and ensures the safety of both personnel and equipment.

• High Modularity: Using a 160mm base modulus, drawer units are available in 1/2, 1, 1.5, 2, and 3-unit sizes. This flexible arrangement allows a single cabinet to accommodate up to 22 functional drawers.

• Superior Busbar Layout: The horizontal main busbars are arranged in a flat, rear-mounted configuration. This enhances the system’s resistance to electrodynamic forces, allowing it to withstand higher short-circuit peaks (Ipk).

• Precision Operating Mechanism: Each drawer features four distinct positions: Connected, Test, Disconnected, and Removed. An integrated mechanical interlock prevents the drawer from being pulled out under load, eliminating the risk of operational errors.

• Optimized Thermal Management: Integrated ventilation channels at the top and bottom utilize natural convection to dissipate heat efficiently, keeping core components within safe temperature limits during full-load operation.

Technical Specifications

Target Application Fields

Due to its superior performance, the GCS switchgear is widely used in environments where continuous power is critical:

1. Modern Data Centers: Providing high-density distribution circuits and uninterruptible power assurance.

2. Smart Factories: Serving as the motor control core for large-scale automated production lines.

3. Petrochemical & Metallurgy: Handling heavy-duty power demands in corrosive or high-dust environments.

4. Smart Grid Substations: Facilitating efficient monitoring and management of power distribution networks.

Why Choose Our GCS Solution?

• Deep Customization: We don't just supply standard boxes. We provide tailored layouts (I-shape, L-shape, or U-shape) based on your Single Line Diagram (SLD).

• Global Component Support: We can pre-install circuit breakers from international brands like ABB, Schneider, or Siemens to ensure seamless global maintenance and spare parts availability.

• Rigorous Type Testing: Every GCS unit undergoes mechanical interlock simulation, dielectric tests, and power-on verification before shipment.

FAQ

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

A: GCS offers higher modularity (160mm modulus vs. GCK's 200mm), allowing for better space utilization. Additionally, the GCS horizontal busbar is typically rear-mounted, which is superior for heat dissipation and scaling in large-scale motor control systems.

Q: Are the drawer units prone to jamming?

A: No. Our GCS units use high-precision guide rails and optimized secondary plug-in connectors, ensuring smooth insertion and extraction with precise positioning every time.

Q: What is the lead time for a custom project?

A: Standard configurations typically take 15–25 days for assembly and testing.

GCS Low voltage withdrawable switchgear assembly

GCS low voltage withdrawable switchgear assembly(hereinafter referred to as device)is the former state Ministry of Machinery, the Ministry of Electric power joint design group according to the industry authorities, the majority of power users and design units developed in line with the national conditions, with high technical performance indicators, can adapt to the development of the power market needs and can compete with the existing introduced products. In July 1996, the device passed the appraisal jointly presided over by two departments in Shanghai, and received the attention and affirmation of the production and manufacturing units and power use departments.

The device is suitable for power plant, petroleum, chemical, metallurgy, textile, high-rise building and other industries of power distribution system. In large power plants, petrochemical systems and other places with a high degree of automation, requiring computer interface, as a three-phase AC 50(60)Hz, rated working voltage 380V, rated current 4000A and below the distribution, centralized control of the motor, reactive power compensation of the low-voltage distribution device.

The device conforms to IEC439-1 and GB7251.1 standards.

Operating environment conditions

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, The relative humidity at high temperature is not more than 50%, in the lower temperature is allowed to have a high relative humidity, such as +20℃ at 90%, but should take into account the temperature change, may occasionally produce moderate condensation.
3, The altitude does not exceed 2000 meters.
4, Installation tilt shall not exceed 5°.
5, No dust, corrosive gas and rain immersion indoors.

Specification

Certifications

Customer Photos

Product packaging

FAQ