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HY 3-3-Pole Miniature Circuit Breaker | 3P MCB for Low-Voltage Power Distribution

The Haoyuan 3-Pole Miniature Circuit Breaker (3P MCB) is designed for reliable circuit switching and overcurrent protection in low-voltage three-phase electrical distribution systems. Featuring a compact modular design and three-pole linked operation, it provides convenient control and protection for distribution boards, electrical cabinets, industrial control systems, and commercial power installations.
The MCB helps protect electrical circuits and connected equipment against abnormal current conditions, including overloads and short circuits. Its space-saving design and easy manual operation make it a practical solution for modern low-voltage power distribution applications.
  • Detailed Description

Key Features

  • 3-Pole Linked Operation – Enables simultaneous switching of three-phase circuits.
  • Overcurrent Protection – Helps protect electrical circuits against overload and short-circuit conditions.
  • Compact Modular Design – Optimizes installation space in distribution boards and electrical cabinets.
  • Easy Manual Operation – Convenient front-mounted switching mechanism for circuit control.
  • Reliable Circuit Protection – Designed for low-voltage distribution and control applications.
  • Wide Application Range – Suitable for industrial, commercial, building, and power distribution systems.

Applications

The Haoyuan 3P MCB can be used in a variety of low-voltage electrical applications, including:

  • Low-voltage distribution systems
  • Three-phase power distribution
  • Distribution boards and consumer units
  • Electrical control cabinets
  • Industrial automation systems
  • Commercial buildings
  • Motor and auxiliary circuits
  • Lighting and power circuits
  • Electrical equipment protection

Technical Specifications 

Parameter Specification
Product Type 3-Pole Miniature Circuit Breaker
Abbreviation 3P MCB
Number of Poles 3
Application Low-Voltage Circuit Protection
Protection Function Overcurrent Protection
Operation Manual Switching
Installation Modular Electrical Distribution Equipment
Applications Industrial, Commercial & Building Electrical Systems

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