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Smart Manufacturing
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Project
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GBD Communication Low Voltage Fixed Partition Switchgear
Hengxuan Electric is committed to providing customers with research and development, production, sales, and installation (repair, testing) of complete electrical equipment and comprehensive supporting services.
Keywords: High and Low Voltage Complete Sets | Box-type Substation | Power Transformer
- Description
- Technical Specifications
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The fixed partition type switchgear is a new type of switchgear developed by our company based on market demands, absorbing the advantages of domestic and foreign complete low-voltage switchgear, and adopting high-performance withdrawable or plug-in air circuit breakers. It is safe, reliable, and easy to maintain. This series of switchgear adopts an independent modular structure design, composed of horizontal busbar chamber, vertical busbar chamber, functional unit chamber, and cable chamber. The chambers are separated and sealed with steel plates or insulating plates, effectively preventing mutual interference of various accidents. Coupled with advanced internal components, with major components sourced from world-renowned electrical companies, this series features high breaking capacity, good sealing performance, reliable protection, and strong microcomputer interface capability. It is a new product suitable for AC distribution systems in power plants, substations, and various factories and mines. This series complies with GB7251-87 and IEC439-1 standards.
Product Features:
The GDB cabinet is a self-supporting vertical floor-mounted type, with its basic frame assembled from C-shaped steel. The cabinet parts are designed based on modular principles, with 20mm module installation holes and a high degree of universality. The cabinet is assembled with bolts between each electrical component compartment and the basic cabinet according to different system schemes, ensuring the precision and quality of the cabinet. Internally, the product is divided into three main areas: horizontal busbar, vertical busbar, cable area, and functional unit area. Cables can exit from the top or bottom of the cabinet. Each area is effectively isolated by steel plates, and the functional units are also isolated from each other, preventing mutual interference and limiting the scope of accidents.
The GDB cabinet is fully enclosed, with independently openable doors for each functional unit. The rear of the product also has doors for installation and maintenance. All functional unit doors and the main switch are equipped with mechanical interlock devices, enhancing electric shock protection reliability. The cabinet's protection level reaches IP54.
The GBD cabinet uses advanced electrical components from domestic and international brands (Schneider, Siemens, ABB, Changshu, Noyark, etc.). The frame-type circuit breaker is withdrawable, with horizontal wiring behind the panel; molded case circuit breakers use plug-in front panel wiring or rear panel wiring, making the branch busbar and main busbar directly fixed wired. This reduces the disadvantages caused by the intermediate mechanism (connectors) required by all drawer cabinets (poor interchangeability, complex machining, higher failure chances). This cabinet combines the advantages of drawer cabinets and fixed cabinets; it has high operational reliability and is maintenance-free.Using advanced switches and excellent accessories, the volume is greatly reduced. For switch functional units of 125A and below, each cabinet can be equipped with up to 18 power circuits.
Component replacement is easy, requiring only the replacement of the switch body (spare switch components are easier and more economical than traditional drawer spares), without the need for system power shutdown operations.
The product has good heat dissipation during operation. The cabinet has ventilated slots at both the top and bottom ends. When internal components heat up, the heat rises and is discharged through the upper slots, while cool air continuously enters through the lower slots, forming a natural upward airflow inside the cabinet to achieve heat dissipation.
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Item Unit Parameter Rated Operating Voltage V 400 Rated Insulation Voltage V 690(1000) Rated Impulse Withstand Voltage kV 8 Rated Operating Current Horizontal Main Busbar A 6300 Vertical Busbar A 2000 Operating Frequency Hz 50 Main Busbar Rated Short-Time Withstand Current kA ≤80 Main Busbar Rated Peak Withstand Current kA ≤175 Vertical Busbar Rated Short-Time Withstand Current kA ≤50 Vertical Busbar Rated Peak Withstand Current kA ≤105 Power Frequency Withstand Voltage (1min) V 2500 Dimensions (W*D*H) mm (800/1000)*1000*2200 Protection Level IP30～IP54 (Selected According to Requirements)
Application Industries
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