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Smart Manufacturing
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Project
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High-voltage cable branch box
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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European-style cable branch boxes have been widely used in cable projects within power distribution systems in recent years. Their main features include double-sided doors, the use of wall bushings as connecting busbars, with notable advantages such as short length, clear cable arrangement, and no need for large-span crossing of three-core cables. The cable joints used comply with DIN47636 standards. Generally, bolt-fixed cable joints with a rated current of 630A are used.
Product Features:
- Fully insulated, fully sealed, fully protected, suitable for all working conditions.
- Flexible cable entry and exit, with up to 8 branch entries and exits in practical applications.
- Flood-resistant, dirt-resistant, dew-resistant, frost-resistant, and corrosion-resistant.
- Compact size, tight structure, easy installation, and convenient operation.
- Can be equipped with a live-line indicator to alert operators of live circuits.
- Can be equipped with SF6 switches.
- Can be equipped with cable-type fault indicators to facilitate quick cable fault detection.
- Multiple box material options available: ordinary steel with military green, mirror stainless steel, stainless steel with military green.
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Item Unit Parameter Rated Voltage kV 12 Rated Current A 630 Rated Frequency Hz 50 Rated Short-Time Withstand Current (Main Circuit) kA 20 Rated Peak Withstand Current (Main Circuit) kA 50 Rated Short-Circuit Duration (Main Circuit) s 4 Rated Short-Time Withstand Current (Grounding Circuit) kA 17.4 Rated Peak Withstand Current (Grounding Circuit) kA 43.5 Rated Short-Circuit Duration (Grounding Circuit) s 2 Rated Short-Time Power Frequency Withstand Voltage Phase to Ground, Phase to Phase kV 42 Rated Lightning Impulse Withstand Voltage Phase to Ground, Phase to Phase kV 75 Protection Level IP44 Item Unit Parameter Rated Operating Voltage V 400 Rated Frequency Hz 50 Rated Insulation Voltage V 690 Rated Current Horizontal Busbar A 6300 Vertical Busbar 2000 Main Circuit Contact Plug 100～630 Auxiliary Circuit Contact Plug 20 Maximum Current of Feeding Circuit 630 Receiving Circuit 1000~4000 Rated Short-Time Withstand Current (RMS, 1s) kA 50 Rated Peak Withstand Current (Peak) kA 105 Dielectric Strength (1min) V 2500
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