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CHM3D-630/4 Molded Case Circuit Breaker

CHM3D-630 series of moulded case circuit breakers (Hereinafter referred to as the MCCBs), whtich possesses the features such as compactness, high breaking capacity, short arc over and anti-Vibration etc, which is the ideal product for both land and marine use. The rated working vlotage is AC 690, with the insulation voltage of 800V, will be suitable for in-frequency switching of circuits and starting of motors in 50/60Hz cicuit.

◇ The breaker has disconnecting function.
◇ The breaker has functions of overload protection, short circuit protection and undervoltage protection which can be protect circuit and electrical power unit properlty.
◇ The breaker can be installed vertical (upright), as well as horizontal (crosswise).
◇ The breaker meets the standards: IEC 60947-2 \ GB/T 14048.2
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  • CHM3D-630-4P

  • Chinehow

Introducing our top-of-the-line molded case circuit breaker, designed for use in various electrical distribution systems. Our circuit breaker is a reliable and efficient solution for protecting electrical circuits from overloads and short circuits. 


Our circuit breaker is widely used as a distribution device in the middle of electrical circuits. It is equipped with the ability to interrupt and trip the circuit, ensuring safety and preventing damage to electrical equipment. 


Our circuit breaker also features reverse time-delay tripping capabilities, which allows for additional protection against electrical faults. This feature ensures that the circuit breaker will trip in a timely manner, preventing further damage to the electrical system. 


Our molded case circuit breaker is built to last, with a sturdy and durable design that can withstand harsh electrical environments. It is also easy to install and maintain, making it a cost-effective solution for any electrical system. 


Choose our molded case circuit breaker for a reliable and efficient solution to your electrical protection needs. Trust in our product's quality and performance to keep your electrical system safe and secure.

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