Mitsubishi SC-J2SBJ4KT3K MR-J2S-B to MR-J4-B 2 kW/3.5 kW Servo Drive Renewal Kit

The Mitsubishi SC-J2SBJ4KT3K (SC-J2SBJ4KT3K) is a renewal kit for converting MR-J2S-B servo amplifier installations to the MR-J4-B series in 2 kW and 3.5 kW applications. It is intended for MELSERVO servo drive upgrades where existing MR-J2S-200B or MR-J2S-350B amplifiers are replaced by MR-J4-B amplifiers with an SSCNET conversion unit. The kit provides mechanical and electrical adaptation components, including a TE bracket for main-circuit and control-power conversion, a mounting bracket, an amplifier base and M5 x 12 servo amplifier mounting screws. Its package measures 107 mm wide, 250 mm high and 202 mm deep and weighs 1.9 kg. The product is RoHS compliant and carries material number 271224. Typical uses are servo drive renewal and maintenance in machinery that runs MELSERVO J2S series equipment, allowing the motion control hardware to be updated while retaining the machine's existing drive arrangement. Installation should follow Mitsubishi Electric's renewal kit instructions and the applicable MR-J4-B drive documentation, particularly for regenerative option wiring, terminal connections and encoder cable compatibility.