Molded Case Circuit Breakers (MCCBs) are a type of electrical protection device that is used to safeguard electrical circuits from damage caused by overcurrents or short circuits. Their main characteristics include:
Molded Case: As the name implies, MCCBs have a robust and insulated casing made from a mold. This structural design not only ensures mechanical strength and electrical insulation but also provides reliable protection for internal components, making Mccb Molded Case Circuit Breaker suitable for various harsh electrical environments. As a key component in low-voltage power distribution systems, MCCBs play a crucial role in balancing circuit protection and power supply stability, widely applied in industrial plants, commercial buildings, and large-scale residential complexes.
Zhejiang C&J Electrical co., ltd. has launched the CJMM6 series Mccb Molded Case Circuit Breaker, a high-performance product that integrates versatility, reliability, and advanced technology to meet diverse electrical protection needs. The series offers a rich range of models, including fixed type, residual current (leakage) type, single-adjustable type, double-adjustable type, electronic type, and electronic type with LCD display. This diverse selection allows customers to choose the most suitable configuration based on specific application scenarios and functional requirements.
A standout advantage of the CJMM6 series Mccb Molded Case Circuit Breaker is its compact design, low temperature rise, and elegant appearance, combined with outstanding performance. It covers a wide current range of 10-2000A and is available in 1P/2P/3P/4P pole configurations, ensuring compatibility with various circuit layouts and load capacities. For the CJMM6RT thermal-magnetic adjustable model, the thermal adjustment range is 0.8-1In, and the magnetic adjustment range is 5-10In, featuring a multi-contact structure design that enhances breaking reliability and current-carrying capacity.
The CJMM6E electronic model of the Mccb Molded Case Circuit Breaker stands out with its small size and high integration. It is equipped with dual protection functions of electronic and thermal-magnetic, providing comprehensive safeguards against overcurrents, short circuits, and other faults. Users can choose between 3-knob and 6-knob operation modes, offering flexible adjustment options for different protection parameters. The CJMM6EY electronic model with LCD display takes functionality to the next level: it provides real-time monitoring of three-phase voltage and load current, equipped with 0.5-class high-precision measurement for accurate data collection. Additionally, it supports four remote control functions (remote measurement, remote signaling, remote control, remote adjustment) and integrates overvoltage, undervoltage, and phase failure protection, making it ideal for intelligent power distribution systems.
The CJMM6 series Mccb Molded Case Circuit Breaker offers multiple breaking capacity levels and optional accessories, further expanding its application scope. Whether in general industrial equipment, commercial building power distribution, or critical infrastructure power systems, this product delivers stable and reliable protection performance. With a long service life, it reduces maintenance frequency and costs, bringing long-term value to users.
Zhejiang C&J Electrical co., ltd. is committed to providing high-quality electrical protection solutions, and the CJMM6 series Mccb Molded Case Circuit Breaker is a testament to this commitment. If you have any questions about product selection, technical parameters, or customization needs, please feel free to contact us—our professional team will provide you with timely and comprehensive support.
Post time: Dec-08-2025