The Siemens SIRIUS 3RA2338-8XB30-1AK6 is a reversing contactor assembly — a pre-wired pair of contactors with mechanical and electrical interlocking for forward/reverse motor control, sized S2. It ships with two 3RT2038-1AK60 contactors installed, one per direction of rotation. Rated 37 kW at 400 V AC-3, it handles reversing duties on three-phase induction motors driving conveyors, hoists, or any load needing direction change.
Dimensions: 141 mm high, 120 mm wide, 130 mm deep. Clearance requirements: 10 mm upward, 10 mm forward, 10 mm downward, 10 mm to the side, 0 mm backward.
Main current circuit terminals are screw-type. Solid conductor capacity: 2x (1 to 35 mm²) and 1x (1 to 50 mm²). Stranded: 2x (0.5 to 1.5 mm²) and 2x (0.75 to 2.5 mm²). Magnet coil terminals are also screw-type. Two instantaneous auxiliary contacts are included.