Motor Protection Circuit Breaker
MB8 series

Safety protection, rapid disconnection, ensuring the motor circuit is
worry-free and safe.

  • Product Description

    The MB8 motor circuit breaker is a high-performance electrical protection device designed for industrial motors and power systems, providing excellent overload and short-circuit protection. With advanced thermal-magnetic trip technology, it quickly responds to circuit abnormalities.

    Renowned for its compact design and excellent durability, the MB8 features a high-strength, heat-resistant, corrosion-proof enclosure suitable for harsh industrial environments. Its modular design supports multiple wiring methods, ensuring high reliability and ease of maintenance.

Technical Overview




Complies with standardsEN 60947-1.EN 60947-2.EN 60947-4-1
Impact resistance complies with IEC 68-2-2730g
Vibration resistance complies with IEC 68-2-65g (5 to 150Hz)
Ambient temperatureStorage-40...+80℃
Operating-20...+60℃
Temperature compensation-20...+60℃
Flammability complies with IEC 695-2-1960℃
Maximum operating altitude2000

Product Highlights

  • High Reliability and Long Lifespan
  • Intelligence and Visualization
  • High Precision and Multifunctionality