S0 frame reversing contactor assembly — what it wires into
This 3RA2324-8XB30-2AL2 is a Siemens SIRIUS reversing contactor assembly — two S0-frame contactors mechanically interlocked to reverse a three-phase motor without external wiring between the contactors. The S0 frame means it occupies a 90 mm wide footprint on the DIN rail — two standard 45 mm contactor slots side by side — and the assembly depth is 97 mm.
Terminal types and wire preparation
Coil terminals are also spring-type, same stranded range. No screw torque to set — strip the wire to the right length, push it in until the spring seats. For solid conductors the spring holds without ferrule; stranded benefits from a ferrule to keep strands together. Clearance distances: 6 mm upwards, 6 mm forwards, 6 mm sideways, 6 mm downwards, 0 mm backwards — the back of the assembly sits flush against the mounting plate.
Mounting positions and environmental limits
Fastens with screw or snaps onto 35 mm standard DIN rail. The assembly is rated for 11.8 g shock at 5 ms (AC) and 15 g at 5 ms (DC).