Form factor and mounting — panel fit check
The 3RA2346-8XB30-1AL2 is a reversing contactor assembly from the SIRIUS family, built around two supplied contactors: one 3RT2046-1AL20 and one 3RT2046-1AL2.
Power ratings across the voltage band
In AC-3 duty (squirrel-cage motor switching), this assembly delivers 45 kW at 400 V, 55 kW at 500 V, and 75 kW at 690 V. At 480 V it carries 96 A; at 600 V it carries 77 A. For North American ratings: 30 hp at 200/208 V and 220/230 V, and 75 hp at 460/480 V and 575/600 V. The AC-4 rating at 400 V is also 45 kW — useful for reversing or inching applications where the contactor makes and breaks motor current under load.
