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DFW-12 (35kV) High Voltage Cable Branch Box from China Suppliers | Quality Factory Product with Enhanced Features
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DFW-12 (35kV) High Voltage Cable Branch Box from China Suppliers | Quality Factory Product with Enhanced Features

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    Model meaning

    Model meaning diagram

    Environmental conditions of use

    • The altitude shall not exceed 1000 meters.
    • Operating ambient temperature: -30°C ~ 40°C.
    • Relative humidity ≤ 95%.
    • The ambient air should not be significantly polluted by flammable gas, but can be polluted by smoke dust and corrosive gas, and the pollution level should not exceed class III in GB/T5582.
    • No frequent severe vibration.

    Main technical parameter

    Item name Unit Argument Remark
    Rated voltage kV 12 It can be equipped with load switch, circuit breaker, fuse, etc., and the technical parameters are shown in the instructions of the accessory
    Rated frequency Hz 50
    Rated current A 630
    1min power frequency withstand voltage kV 42
    Lightning impulse withstand voltage kV 75
    Protection level - IP54
    Outline dimension (L×W×H) mm 650×1150×880 ~ 1300×1500×1200

    European type cable branch box structure diagram

    If the cable branch box cannot be placed due to site limitation, it can be directly combined with cable joint to form multiple cable branches (without the need for busbar, the connection method is shown in the following example) and placed in the cable trench or its location.

    Example 1: Four-way incoming and outgoing lines

    Each phase consists of two European type front joints and two European type rear joints, with one European type connected to butt sleeve in the middle. The end of the European type rear joint is sealed with insulator and semiconductive end cap. The example is shown in the following figure:

    Four-way incoming and outgoing lines diagram

    Example 2: 2 incoming 3 outgoing

    Each phase consists of three European type front joints and two European type rear joints, connected by European type butt sleeve in the middle. The end of the European type rear joint is sealed with insulator and semiconductive end cap. The example is shown in the following figure:

    2 incoming 3 outgoing diagram

    Note: Cable branches can be expanded or reduced as needed, and can be enclosed in a box or buried directly in cable trench.

    European type cable branch box structure diagram

    European type cable branch box structure diagram

    European type cable branch (connection) box structure diagram

    European type cable branch connection box structure diagram

    Note: Cable branches can be expanded or reduced as needed, and can be enclosed in a box or buried directly in cable trench.

    Ordering information (box configuration solution)

    Specification and model Wiring solution Internal arrangement Outline dimension
    DFW10-2 Wiring solution DFW10-2 Internal arrangement DFW10-2 580×550×950
    DFW10-3 Wiring solution DFW10-3 Internal arrangement DFW10-3 700×550×950
    DFW10-4 Wiring solution DFW10-4 Internal arrangement DFW10-4 820×550×950
    DFW10-5 Wiring solution DFW10-5 Internal arrangement DFW10-5 940×550×950
    DFW10-6 Wiring solution DFW10-6 Internal arrangement DFW10-6 1060×550×950
    DFW10-7 Wiring solution DFW10-7 Internal arrangement DFW10-7 1180×550×950
    DFW10-8 Wiring solution DFW10-8 Internal arrangement DFW10-8 820×650×1000
    DFW10-9 Wiring solution DFW10-9 Internal arrangement DFW10-9 940×650×1000

    Cable plug installation diagram

    Cable plug installation diagram

    European type cable branch box foundation diagram

    European type cable branch box foundation diagram

    Frequently Asked Questions (FAQ)

    What are the environmental limits for installing the European type cable branch box?
    The installation site altitude should not exceed 1000 meters, with an ambient operating temperature range of -30°C to 40°C, relative humidity ≤95%, and minimal vibration. The pollution level should not exceed class III.
    What are the electrical ratings for this equipment?
    The rated voltage is 12 kV, the rated frequency is 50 Hz, and the rated current is 630 A. It has a 1-minute power frequency withstand voltage of 42 kV and a lightning impulse withstand voltage of 75 kV.
    What is the ingress protection (IP) rating of the box?
    The European type cable branch box has a protection level rating of IP54, which ensures reliable protection against dust deposits and water splashes.
    How can I install the cable branch if there is a site space limitation?
    If space is limited, the branch box can be directly combined with cable joints to form multiple cable branches without using a busbar. This setup can then be placed directly inside a cable trench.
    What components can be customized inside the configuration?
    The configuration can be equipped with load switches, circuit breakers, fuses, and other accessories according to the specific wiring solution and model selected.
    Can the cable branches be expanded or reduced later?
    Yes, the cable branches can be expanded or reduced as needed. They can either be safely enclosed within the protective box structure or buried directly in the cable trench.