Mitsubishi SD-T21-DC48V-2A2B 3-Pole Magnetic Contactor for MS-T Series Motor Control

The Mitsubishi SD-T21-DC48V-2A2B is a 3-pole magnetic contactor from the MS-T series, designed for direct-on-line (DOL) and full-voltage non-reversing (FVNR) motor control. It uses a 48 Vdc operating coil and has 2NO+2NC auxiliary contacts. The direct-current coil is intended for control circuits that provide 48 Vdc. In AC-3 service the contactor is rated 23 A at 380-440 V AC and 11 kW at 440 V AC, with a rated operating voltage of 690 V and a rated impulse withstand voltage of 6 kV. Screw-clamp terminals with finger protection simplify wiring, and the unit has an IP20 protection class. Its dimensions are 63 mm wide, 81 mm high and 108 mm deep, with a net weight of 0.545 kg. Typical applications include starting and stopping motors in pumps, fans, conveyors and other machine-control installations.