The Siemens 3RA2316-8XB30-1AB0 is a SIRIUS reversing contactor assembly in frame size S00. It contains two 3RT2016-1AB02 contactors pre-wired for direction reversal of a three-phase motor. Rated 4 kW at 400 V AC-3, it also carries 5.5 kW at 690 V and 7.5 hp at 575/600 V.
The AC-3 motor switching rating at 400 V is 4 kW — that is the load current the assembly can make and break under full motor load, not just continuous carry. At 480 V the rated current is 7.6 A.
Physical footprint
Width 90 mm, height 68 mm, depth 73 mm. Clearance around the unit: 6 mm upwards, forwards, downwards, and to the side; zero clearance backwards — it sits flush against the mounting surface.
