Mitsubishi MR-J5-500A-RJ Molded Case Circuit Breaker, Advanced Protection for Industrial Applications

Operating Current (A):500

Short-Circuit Rating (kA):65

Number of Poles:3

Switching Voltage (V):400-690 AC/500-900 DC

Insulation Class:Class I

Protection Levels:Class I, II, III

Auxiliary Switch Capacity (A):5/5

Operating Ambient Temperature Range (-°C to +°C):-20 to 40

    The Mitsubishi MR-J5-500A Molded Case Circuit Breaker is engineered for high performance in demanding industrial environments, offering exceptional protection against overloads and short circuits. Its compact, molded case design ensures a robust construction capable of handling high current loads up to 500A.

    Equipped with a short-circuit rating of 65kA for 1 second, this breaker is designed to safeguard critical electrical systems against severe faults without causing permanent damage. It’s capable of withstanding high insulation voltages of up to 690V AC, ensuring reliable operation even under harsh conditions.

    Operating within a wide temperature range of -25°C to +60°C, the MR-J5-500A circuit breaker maintains its performance throughout extreme environmental changes. Its IP20 protection level provides basic splash and dust protection, making it suitable for industrial settings where protection against minor external hazards is required.

    This breaker includes auxiliary switches rated at 5A/5B, enabling monitoring and control functions directly on the device. The quick-connect terminal block facilitates easy installation and maintenance, reducing downtime and simplifying the wiring process.

    Ideal for use in a variety of industrial applications such as manufacturing plants, power distribution networks, and automation systems, the Mitsubishi MR-J5-500A Molded Case Circuit Breaker delivers superior reliability and safety. Its compact size, robust design, and advanced protection features make it an essential component for maintaining uninterrupted power supply in any industrial setting.