XL Power Distribution Box

The XL series is a compact, versatile power distribution box designed for motor control and equipment power supply. It features a space-saving design with flexible installation options – wall-mounted or floor-standing. Available in IP30-IP65 ratings for indoor or outdoor applications.

    Core Product Features

    The XL-21 series low voltage power distribution cabinet is a closed low voltage power distribution equipment independently developed and produced by our company. The product fully complies with international IEC standards and domestic GB industry standards, and is one of the most widely used basic power distribution equipment in low voltage power distribution systems. Its core features are as follows:

    Safe and Reliable Structure
    Adopts high-quality cold-rolled steel sheet welded cabinet frame, with fully enclosed structure, high mechanical strength and good stability, which can effectively prevent electric shock and short circuit accidents, and ensure the safety of power distribution.
    Flexible and Adaptable Configuration
    Supports single-door/double-door design, multiple cable entry methods from top/bottom/rear, and two installation forms of wall-mounted/floor-mounted. It can be customized according to the actual working conditions of the project and user needs, adapting to the power distribution requirements of different scenarios.
    Complete Protection Functions
    The standard protection degree is IP30/IP40, and IP54 protection is optional for harsh working conditions. It can effectively block dust, water splash and foreign objects from entering, adapting to various complex working environments.
    Strong Overload and Short Circuit Resistance, Stable Operation
    The rated current covers the full series from 100A to 630A, and the short-time withstand current can reach up to 30kA, which can effectively cope with the impact of short circuit current. The core components are all selected from first-line brands in the industry, with strong adaptability and low failure rate, ensuring the long-term stable operation of the power distribution system.

    Application Scenarios

    This product is widely used in power distribution systems of industrial and mining enterprises, civil buildings, commercial complexes, hospitals, schools, data centers and other places. It is suitable for power distribution, motor control, lighting distribution and reactive power compensation in 50/60Hz, 380V/220V low voltage power grids, and is the core equipment of low voltage power distribution terminals.

    Technical Parameters

    CategoryParameterValue
    Electrical DataRated Working VoltageAC 380V / 220V
    Rated Insulation Voltage660V
    Rated Frequency50Hz / 60Hz
    Max. Rated Working CurrentUp to 630A
    Rated Short-time Withstand Current (1s)Up to 15kA / 20kA / 30kA
    Rated Peak Withstand CurrentUp to 31.5kA / 40kA / 63kA
    Rated Impulse Withstand Voltage8kV
    General DataProtection DegreeIP30 / IP40 (Standard); IP54 Optional
    Earthing SystemTT, IT, TN-S, TN-CS
    Standard ComplianceIEC 60439-1, GB 7251.3, JB/T 8634
    Installation TypeFloor-mounted / Wall-mounted Optional
    Environmental ConditionsAmbient Temperature-5℃ ~ +40℃ (24h Average ≤ +35℃)
    Altitude≤ 2000m Above Sea Level
    Relative Humidity≤ 50% at +40℃; Higher humidity allowed at lower temperatures (e.g. 90% at +20℃)
    Cabinet & ConstructionFrame MaterialHigh-quality cold-rolled steel sheet, welded and assembled structure
    Surface TreatmentHigh-voltage electrostatic epoxy powder coating
    Standard Cabinet ColorRAL 7035
    Cable EntryTop / Bottom / Rear cable entry optional

    Series Selection Guide

    ModelRated Current (A)1s Short-time Withstand Current (kA)Installation Type
    XL-21/10010015Floor-mounted / Wall-mounted
    XL-21/20020015Floor-mounted / Wall-mounted
    XL-21/40040020Floor-mounted
    XL-21/63063030Floor-mounted

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