Wholesale 80/125A Economic Three-phase Current-limiting Protector Manufacturer, Company

The Economic Electrical Fireproof Current-limiting Protector is an intelligent electrical safety monitoring device. It accurately detects circuit current and limits short-circuit current within milliseconds to extinguish arcs and protect circuits. Integrated with voltage, current, frequency, leakage current, temperature and optional arc fault detection, it features intelligent analysis. It triggers audible and visual alarms and uploads signals to the cloud for real-time warnings, eliminating hidden dangers, preventing fires and ensuring comprehensive circuit protection for residential and industrial use.

Product Description

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)
1. What is an electrical fireproof current-limiting protector?
It is an advanced electrical protection device designed for low-voltage lines that suppresses short circuits and overloads at microsecond speeds, eliminating electric sparks and significantly reducing electrical fire hazards.
2. How does it differ from traditional circuit breakers?
Unlike conventional mechanical air switches that have longer response times and produce large electric arcs during a short circuit, this device cuts off or limits short-circuit current within microseconds without creating arc sparks.
3. Where is this protector recommended to be installed?
It is suitable for high-risk and densely populated areas, such as schools, hospitals, ancient wooden architectures, commercial malls, residential complexes, EV charging stations, and hazardous goods warehouses.
4. Is the RS485 communication line mandatory for the device to operate?
No, RS485 communication is an optional auxiliary interface for data monitoring and network systems. The basic arc-extinction and current-limiting functions operate independently without wiring this port.
5. How should the device be wired with upstream RCD units?
The front end must be connected to a residual current device (RCD). The live and neutral wires should route directly from the output terminals of the RCD to the protector before connecting downstream to the load.

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