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China Economic Three-phase Current-limiting Protector 80/125A - Safety Monitoring Device from Reliable Suppliers & Factory

Introducing the Economic Electrical Fireproof Current-limiting Protector, a cutting-edge device designed for electrical safety monitoring. This intelligent protector is engineered to accurately detect circuit current and swiftly limit short-circuit currents within milliseconds, effectively extinguishing arcs and safeguarding circuits. With comprehensive features such as voltage, current, frequency, leakage current, temperature monitoring, and optional arc fault detection, it offers advanced intelligent analysis capabilities, This product also provides audible and visual alarms, along with cloud signal uploads for real-time warnings, ensuring the elimination of hidden dangers and preventing potential fires. Whether for residential or industrial applications, this protector guarantees complete circuit protection, As a leading supplier in China, our factory is committed to delivering top-quality electrical safety solutions, making us your ideal partner for reliable protection and peace of mind

    System Overview

    The electrical fireproof current-limiting protector is specifically designed to address issues such as short circuits and overloads in low-voltage distribution lines. It effectively overcomes the shortcomings of traditional circuit breakers, air switches, and monitoring equipment, including high short-circuit current, long short-circuit current interruption time, large arc sparks during short circuits, and short service life. In the event of a short circuit fault, it can rapidly limit the short-circuit current at microsecond speed to achieve arc extinction and protection, thereby significantly reducing electrical fire incidents and ensuring the safety of personnel and property in the premises where it is used.

    The electrical fireproof current-limiting protector can be widely applied in various electrical locations for end branch and main circuit protection, including schools, hospitals, shopping malls, hotels, entertainment venues, temples, heritage buildings, libraries, archives, exhibition centers, residential buildings, warehouses, kindergartens, senior housing, collective dormitories, electric vehicle charging stations, leased retail shopping mall units, wholesale markets, farmers' markets, and Class A, B, and C hazardous goods warehouses.

    Product Display
    80-economic-three-phase-current-limiting-protector-perspective
    80-economic-three-phase-current-limiting-protector-right-side-view
    Outline and Installation Dimension
    80 type Outline and Installation Dimension
    105(L) × 130(W) × 76(H) mm

    Special Notes:

    1. The front end is a residual current device (RCD). The live and neutral wires are routed from the output terminals of the RCD to the current-limiting protector.

    2. The neutral wire connected to this protector passes through the protector to the terminal load equipment.

    3. RS485 communication is an auxiliary function and may not be connected in practical applications.

    Design Legend
    80 type Design Legend
    Frequently Asked Questions (FAQ)
    Q What is the main advantage of the electrical fireproof current-limiting protector over traditional circuit breakers?
    Unlike traditional circuit breakers and air switches, the electrical fireproof current-limiting protector can limit short-circuit current at microsecond speed, significantly reducing arc sparks and interruption time. This greatly lowers the risk of electrical fires and extends the service life of the protection device.
    Q What types of electrical faults can this protector handle?
    The protector is specifically designed to address short circuits and overloads in low-voltage distribution lines. It provides reliable protection for both end branch circuits and main circuits in various installations.
    Q Where can the electrical fireproof current-limiting protector be installed?
    It is suitable for a wide range of locations, including schools, hospitals, shopping malls, hotels, entertainment venues, heritage buildings, libraries, residential buildings, warehouses, electric vehicle charging stations, and Class A, B, and C hazardous goods warehouses, among others.
    Q How does the protector connect with the residual current device (RCD)?
    The residual current device (RCD) is installed at the front end. The live and neutral wires are routed from the output terminals of the RCD to the current-limiting protector. The neutral wire then passes through the protector directly to the terminal load equipment.
    Q Is the RS485 communication function required for normal operation?
    No. RS485 communication is an auxiliary function only. It does not need to be connected for the protector to operate normally in most practical applications.
    Q What are the physical dimensions of the 80-type current-limiting protector?
    The 80-type current-limiting protector measures 105(L) × 130(W) × 76(H) mm, making it compact and suitable for standard low-voltage distribution panel installations.