- 1. Product Overview
- 2. Compliance Standards
- Key Technical Parameters
- 3. Key Features
- 3.1 High Safety and Reliability
- 3.2 Modular and Scalable Design
- 3.3 Intelligent Control System
- 3.4 Robust Drawer Unit Design
- 4. Installation and Usage Guidelines
- 4.1 Pre-Installation Checklist
- 4.2 Installation Guidelines
- 5. Applications
- 6. Conclusion
1. Product Overview
TheGCK Low-VoltageWithdrawable Switchgearis a state-of-the-artpower distributionsystem widely used inpower plants, metallurgical steel rolling, petrochemical industries, light industry, ports, buildings, and hotels. It is designed forAC three-phase four-wire or five-wire systems, operating at voltages of 380V and 660V, with a frequency of 50Hz, and a rated current of up to 5000A.
Thisswitchgearcomplies withnational and international standards, undergoingcomprehensive type testing and CCC certification, ensuringhigh safety, reliability, and modular design flexibility.
2. Compliance Standards
The GCK switchgear meets the following standards:
✔GB 7251.1-2005– Low-voltage switchgear (National Standard)
✔IEC 60439.1-1992– Low-voltage switchgear and controlgear (International Standard)
Key Technical Parameters
| Specification | Value |
|---|---|
| Rated Insulation Voltage | 660V / 1000V |
| Rated Operating Voltage | 400V / 660V |
| Auxiliary Circuit Voltage | AC 380V / 220V, DC 110V / 220V |
| Busbar Rated Current | 1000A – 5000A |
| Short-Time Withstand Current (1s) | 50kA, 80kA |
| Peak Withstand Current | 105kA, 140kA, 176kA |
| Branch Busbar Rated Current | 630A – 1600A |
| Protection Level | IP30, IP40 |
| Busbar System | Three-phase four-wire / five-wire |
| Operation Mode | Local, Remote, Automatic |
3. Key Features
3.1 High Safety and Reliability
Independent compartmentalization: The cabinet is divided into abusbar room, functional unit room, and cable room, preventing the spread of electrical faults.
Advanced short-circuit withstand capacity, with busbars designed to handleup to 176kA peak current.
3.2 Modular and Scalable Design
Customizable configurationsfor power distribution and motor control applications.
EachMotor Control Center (MCC) cabinetcan accommodateup to 9 1-unit drawers or 18 1/2-unit drawers.
3.3 Intelligent Control System
Supportsmanual, remote, and automatic operation, enabling seamless integration intosmart power distribution networks.
3.4 Robust Drawer Unit Design
Drawer locking mechanismprevents accidental withdrawal when the main switch is closed.
Rotary propulsion systemensures smooth drawer operation withthree-position interlocking(Connected, Test, Isolated).
Main circuit plug-in and auxiliary circuit plug-infor easy maintenance.
4. Installation and Usage Guidelines
4.1 Pre-Installation Checklist
Inspect packaging integrity and verify all accessories.
Store units in a dry, ventilated environment before installation.
4.2 Installation Guidelines
Follow the providedinstallation schematics and diagrams.
Ensureproper grounding and cable routingto prevent operational hazards.
Leave sufficient clearance forventilation and maintenance.
5. Applications
TheGCK switchgearis widely applied in various industries, including:
✔Power plants, substations, and industrial automation systems
✔Steel, chemical, and petrochemical industries
✔Commercial buildings, airports, and large infrastructure projects
✔Renewable energy projects (solar and wind power integration)
Due to itshigh adaptability,modular design guide, and advanced safety features, the GCK switchgear is apreferred choice for modern power distribution and motor control systems.
6. Conclusion
TheGCK Low-Voltage Withdrawable Switchgeardeliversexceptional reliability, flexibility, and safetyinlow-voltage power distribution applications. With itsmodular design, advanced safety mechanisms, and compliance with international standards, it is ideal forhigh-performance industrial and commercial power systems.
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