Campbell Hausfeld ST122012AJ Magnetic Motor Starter

Campbell Hausfeld ST122012AJ Magnetic Motor Starter is a 3‑phase motor control device rated for 7.5 horsepower at 460 volts, designed to start and stop 460 V three‑phase motors in industrial or workshop environments. The ST122012AJ designation places it in Campbell Hausfeld’s ST series of magnetic starters, a line of contactor‑style motor controllers used where reliable line‑voltage motor control is needed. Verified specifications identify this model as 7.5 HP at 460 V with three‑phase operation, making it suitable for higher‑hp motors within a 3‑phase electrical system. As a magnetic starter, it is intended to be wired into a motor circuit to enable control from an operator interface or automation system, with installation governed by applicable electrical codes and Campbell Hausfeld installation instructions. For compatibility and mounting guidance, consult Campbell Hausfeld manuals and replacement‑parts literature covering the ST1220xAJ family of starters.