Siemens 3RT1045-1AL20 Power Contactor - 80A AC-3, 37kW

The Siemens 3RT1045-1AL20 is a 3-pole power contactor designed for AC-3 applications with a rating of 80A at 400V, supporting up to 37kW motor loads. It features a 230V AC coil and screw terminals for secure connections. This Size S3 unit is part of the SIRIUS 3RT1 series and is a phased-out product, with the 3RT2038-1AL20 being its preferred successor.

This contactor is suitable for controlling and switching three-phase motors and other high-power electrical loads in industrial settings. Its robust design ensures reliable operation in demanding environments, commonly found in manufacturing plants, building automation systems, and machine control applications.

As a veteran-owned surplus parts distributor, Stanlo Automation offers hard-to-find and discontinued components like the Siemens 3RT1045-1AL20. We provide reliable sourcing for your automation needs, ensuring you can maintain and repair your existing equipment efficiently.