GCK Low-Voltage Withdrawable Switchgear
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Category:
Keywords:
High-Voltage Switchgear
Box-type substation
- Product Description
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Product Overview
This product is suitable for three-phase AC systems operating at 50/60 Hz, with rated voltages ranging from 380 (400) V to 600 V, and rated currents up to 4000 A. It is designed for use in both three-phase four-wire and three-phase five-wire power distribution and charging systems. Widely applicable across various sectors—including power plants, substations, industrial and mining enterprises, commercial buildings, hotels, airports, ports, and communication centers like broadcasting and television facilities—the product serves as a critical component in power generation, transmission, distribution, energy conversion, and motor-driven applications. It can be configured as either fixed cabinets or a hybrid design combining fixed and drawer-type units, ensuring flexibility to meet diverse power supply and distribution requirements.
Structural Features
The GGK switchgear features a modular basic frame, with all components securely fastened together using screws. The complete switchgear is assembled by integrating doors, end plates, partition panels, supports, as well as structural and electrical elements such as drawers and busbars.
The basic framework is assembled using PA3 profiles or KB profiles (also known as C-profiles), with all structural components connected via self-tapping screws. Additional doors, panels, partitions, brackets, and drawer units can be installed as needed to create a fully functional switchgear cabinet.
The cabinet body and component mounting holes are designed with a modular pitch of E = 25 mm, offering flexible, convenient, practical, and cost-effective installation options.
The drawer units come in a range of heights, including 1/2-unit, 200mm, 300mm, 400mm, and 600mm series. The specific height of the drawer unit selected depends on the current rating of each circuit, with an effective installation height of 1800mm for the drawers.
The withdrawable functional unit (commonly known as the drawer) of the GGK switchgear features a uniquely designed, easy-to-use push-pull mechanism that is lightweight and highly convenient for operation.
The drawer features excellent interchangeability and includes mechanical locking mechanisms for the working, test, and isolation positions; additionally, the operating handle can be secured with an external padlock.
Technical specifications
Project Unit Data Rated operating frequency Hz 50, 60 Rated Operating Voltage (Ue) V 380, 660 Rated Insulation Voltage V 660 Rated operating current A Horizontal busbar 630, 4000 A Vertical busbar 600, 1000 Rated short-time withstand current (1s) kA Horizontal busbar 80 (RMS) kA Vertical busbar 50 (RMS) Rated Peak Withstand Current kA Horizontal busbar 176 kA Vertical busbar 110 Main circuit connector A 200, 400, 630 Auxiliary circuit connector A 10 1-minute power frequency withstand voltage V 2500 Maximum capacity of the control motor kW 155 Protection Level IP40, IP30 How to operate On-site, remote, automatic External Dimensions and Mounting Size
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