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Low Voltage Switchgear

Low Voltage Cable Branch Box DFX

Product Overview

The DFX low-voltage cable distribution box, molded from SMC composite via high-temperature compression, offers exceptional impact/bend resistance, anti-aging, abrasion/corrosion tolerance, and high insulation/arc/flame resistance. Its compact design ensures easy installation and durability for harsh outdoor environments. Fitted with knife-fuse switches, MCCBs, strip switches, and busbars, it serves dry cable branching and feeder protection in urban-rural grids, municipal projects, and residential/high-rise applications.

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Product Features

  • Compact design meeting creepage distance requirements, with exquisite appearance, small size, light weight, and easy installation.
  • High insulation resistance and power frequency dielectric strength, ensuring high safety as an electrical enclosure—preferred for grid renovation.
  • Excellent corrosion resistance against dilute acids, alkalis, salts, various oils, organic solvents, and seawater.
  • Strong anti-aging performance with a service life of over 30 years.
  • Good impact resistance and machinability, difficult to damage.
  • No grounding required for the insulated case, saving installation labor and costs.
  • Equipped with special insulating supports inside and a dedicated lock on the door (with a second padlock provided).

Product Details & Applications

Low Voltage Cable Branch Box DFX product detail and application view 1
Low Voltage Cable Branch Box DFX product detail and application view 2

Operating Conditions

  • Ambient Temperature: -35°C to +45°C, with a 24-hour average temperature difference ≤35°C.
  • Altitude: ≤2000m.
  • Relative Humidity: ≤50% at +45°C; higher humidity is permitted at lower temperatures (e.g., 80% at +22°C), with consideration for occasional condensation due to temperature variations.
  • Installation Site: Free from severe vibration, shock, and corrosive conditions that may damage electrical components. Note: For applications exceeding the above conditions, please consult our company for customization.

Technical Specifications

ItemsData
Rated operating voltageAC 3800V
Rated operating frequency50Hz(60Hz)
Rated insulation voltageAC 800V
Rated operating current100A, 200A, 400A, 630A, 800A, 1000A
Rated short-circuit strength50 kA
Enclosure protection gradeIP44
Box busbars are copper, supported by high-quality resin-molded brackets. The distribution box uses copper busbars with matching insulated brackets.200ACopper busbar 30*3
Box busbars are copper, supported by high-quality resin-molded brackets. The distribution box uses copper busbars with matching insulated brackets.400ACopper busbar 40*4
Box busbars are copper, supported by high-quality resin-molded brackets. The distribution box uses copper busbars with matching insulated brackets.630ACopper busbar 50*5
Box busbars are copper, supported by high-quality resin-molded brackets. The distribution box uses copper busbars with matching insulated brackets.800ACopper busbar 60*6

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