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Siemens Sirius 3RT1045-1A is a heavy-duty industrial motor starter contactor, suitable for starting 3-phase motors up to 30 HP @ 230 volts and 60 HP @ 460 volts. Auxiliary contacts can be front or side mounted. Plug-in overload relays are also available.
3RT Siemens Sirius Motor Starter Contactors
- Catalog Number: 3RT1045-1A
- Operating coil voltage: 24, 120, 208, 240, 480
- Coil Power Consumption: Inrush: 300VA VA., Sealed: 21VA VA.
- Maximum Wire Size: 2 x 1/0 AWG, 1 x 2/0 AWG
- Auxiliary Contact Blocks
3RT1045-1A Contactor Selection Chart:
Auxiliary Contact Blocks
Mechanical Interlocks - for 3RT102, 3RT103 and 3RT104
These units have track-mounting clips for 35mm DIN-rail as standard.
Front-mounted auxiliary contacts add an extra 49mm to the depth.
Side-mounted contacts add an extra 10mm to the side, per each block.