Mitsubishi MR-J3D01MQ20-3M Magnetic Contactor for MELSERVO MR-J3

The Mitsubishi MR-J3D01MQ20-3M (MR-J3D01MQ20-3M) is a three-pole magnetic contactor designed for direct-on-line motor starting and power switching in Mitsubishi industrial automation and MELSERVO MR-J3 drive systems. Belonging to the MS-N series, this contactor provides robust line control for motor feeders, industrial machinery, and automation cabinets. It operates with a rated operational current of 22 A and delivers a power rating of up to 11 kW, making it suitable for medium-duty motor starting and power management tasks. Engineered for dependable performance, the contactor features a control coil rated for 346 V to 380 V AC. For circuit interlocking, remote status monitoring, and control sequencing, the unit includes four built-in auxiliary contacts configured as two normally open and two normally closed (2NO + 2NC). Electrical connections are made using secure screw clamp terminals that maintain reliable contact under operating vibrations. With a compact body width of 63 mm, the contactor integrates easily onto standard control panel layouts alongside servo amplifiers and power distribution components. Typical applications include mains power isolation for servo drives, automated conveyor controls, pump starters, and general machine tool power switching.