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Protection Relay & Arc Protection Devices
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Product information

SPR60ARC arc light protection system

Arc light protection is a new type of protection device that quickly cuts off the power supply at the fault point by detecting fault arc light to avoid serious damage to the electrical equipment itself. It is a reasonable supplement to traditional microcomputer protection and can effectively protect fault conditions and dead zones that traditional microcomputer protection cannot protect. It can be used as a dedicated busbar protection and cable head protection for medium and low voltage switchgear, and can also be used as a dedicated protection for cable junction boxes of wind turbines and high-voltage motors.

Introduction to the device.

Main unit SPR 60ARC

  • It can detect two sets of three-phase current, zero-sequence current and zero-sequence voltage.; 
  • Adopting PC modular structure, it is convenient for expansion and maintenance; 
  • Standardly equipped with five large-capacity high-speed trip contacts and one alarm contact that can switch between normally open and normally closed; 
  • The optional trip logic - "arc light" or "arc light + current" double-criteria ensure the rapidity and reliability of tripping; 
  • There are two RJ-45 ports for connecting expansion units; 
  • It has RS485 communication port, Ethernet port and front panel USB port, and supports multiple protocols such as Modbus RTU/TCP and IEC-103; 
  • It supports IRIG-B code time synchronization and SNTP network time synchronization

Expansion unit SA10E.

  • Two trip mode options, four large-capacity trip output contacts;
  • 12-point sensor connection;
  • Sensor channel and trip relay action indication; 
  • Two RJ45 ports for interconnection between the main unit and the I/O unit;
  • It can work independently to realize the criterion trip mode selection of "arc light" or "arc light + current". For details, see the technical manual.

Arc sensor AS01-X.

  • Action when light intensity > 8000 Lux. 
  • Detection range of 270°. 
  • Meet the vibration requirements of IP61. 
  • Patented technology is not sensitive to daily light sources.
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