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SXJP-0.4 Low Voltage Integrated Distribution Box from China Suppliers and Factory - High Quality and Compliance

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Main Technical Specifications

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◇ GB 4942.2-85: Protection Level for Low Voltage Electrical Equipment Enclosures
◇ GB 12747-91: Self-healing Low Voltage Parallel Capacitors
◇ DL 535-93: Data Transmission Protocol for Power Load Control Systems
◇ DL/T 597-1996: Technical Conditions for Ordering Low Voltage Reactive Power Compensation Controllers
◇ JB/T 9663-1999: Low Voltage Reactive Power Compensation Controllers
◇ JB/DQ6141: Low Voltage Reactive Power Compensation Devices

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As a leading China supplier and factory, we specialize in providing high-quality low voltage electrical equipment and components. Our products meet stringent national standards, ensuring reliability and effectiveness in power management and energy efficiency.

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    Overview

    The SXJP-0.4 series low-voltage integrated distribution box device (hereinafter referred to as the integrated distribution box) is primarily suitable for urban and rural power grid AC 50Hz transmission and distribution systems with a nominal voltage of below 0.4kV. It is installed on the low-voltage side of a 10/0.4kV outdoor transformer and integrates functions such as power distribution, energy metering, data collection, voltage monitoring, overcurrent protection, phase loss protection, low-voltage lightning protection, leakage protection, automatic reclosing after fault clearance, and reactive power compensation, making it a new type of outdoor low-voltage distribution device.

    This product boasts advantages such as compact size, easy installation, anti-theft features, low cost, strong adaptability, aging resistance, accurate operation, and the absence of compensation pitfalls. It has a high protection level, complete protective performance, and a high degree of automation. It is also suitable for corresponding on-site distribution control and can serve as auxiliary equipment for other distribution systems, making it an ideal choice for power grid renovation.

    This product complies with GB7251.1 standards and has passed CQC certification. The reactive power compensation device has undergone testing at a quality inspection testing center, with all indicators meeting the JB7113 "Low Voltage Parallel Capacitor Device" standards.

    The metering device is designed and installed according to three single-phase low-voltage assessment meters or a three-phase four-wire energy meter, with the current transformer having an accuracy level of 0.2S, which is beneficial for balancing three-phase loads and ensuring accurate metering.

    The compensation method of the reactive power compensation device can be fixed or automatic, with the compensation capacity greater than or equal to 15-20% of the transformer capacity. It is equipped with a leakage protection device and an AC contactor. The leakage protection device has short-circuit, overload, leakage, and alarm functions. When used in conjunction with the AC contactor, it achieves automatic reclosing functionality and can work with household leakage protectors for graded protection, ensuring the safe operation of the equipment and preventing accidents caused by leakage.

    The integrated distribution box is made of matte stainless steel or SMC material. This box has excellent characteristics such as good heat dissipation, rainproof, dustproof, anti-condensation, thermal radiation protection, and light pollution prevention.

    Use Environment Standards

    GB 4942.2-85 Low Voltage Electrical Equipment Enclosure Protection Level
    GB 12747-91 Self-healing Low Voltage Parallel Capacitors
    DL 535-93 Data Transmission Protocol for Power Load Control Systems
    DL/T 597-1996 Technical Conditions for Ordering Low Voltage Reactive Power Compensation Controllers
    JB/T 9663-1999 Low Voltage Reactive Power Compensation Controllers
    JB/DQ6141 Low Voltage Reactive Power Compensation Devices

    Major Parameters

    Items Unit Parameters
    Rated Working Voltage V 400
    Rated Insulation Voltage V 660
    Rated Loop Current A 100, 160, 200, 400, 500, 600, 800
    Rated Frequency Hz 50
    Insulated Resistance ≥4
    Dielectric Strength - The main circuit relative to ground is 2.5kV for 1 minute; the auxiliary circuit to ground is also 2.5kV for 1 minute.
    Rated Short-time Withstand Current kA 6.3
    Rated Peak Withstand Current kA 10.5
    Level of Protection - IP33
    System Grounding Type - Neutral point directly grounded (TT or TN system)

    Frequently Asked Questions

    Q Where is the SXJP-0.4 series integrated distribution box primarily installed?
    It is primarily installed on the low-voltage side of a 10/0.4kV outdoor transformer, suitable for urban and rural power grid AC 50Hz transmission and distribution systems with a nominal voltage below 0.4kV.
    Q What key functions are integrated into this distribution box?
    It integrates power distribution, energy metering, data collection, voltage monitoring, overcurrent protection, phase loss protection, low-voltage lightning protection, leakage protection, automatic reclosing after fault clearance, and reactive power compensation.
    Q What materials are used for the enclosure of the distribution box?
    The integrated distribution box is made of matte stainless steel or SMC material, which provides excellent heat dissipation, rainproof, dustproof, anti-condensation, and thermal radiation protection.
    Q What standards does the SXJP-0.4 series comply with?
    This product complies with GB7251.1 standards and has passed CQC certification. Additionally, its reactive power compensation device meets the JB7113 "Low Voltage Parallel Capacitor Device" standards.
    Q How does the reactive power compensation device operate?
    The compensation method can be fixed or automatic, with a compensation capacity greater than or equal to 15-20% of the transformer capacity. It features a leakage protection device and an AC contactor to achieve automatic reclosing and graded protection.
    Q What is the protection level and system grounding type for this device?
    The device has a protection level of IP33 and uses a neutral point directly grounded system grounding type (TT or TN system).

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