Description
The Siemens 3RT2045-1AC20 is a premium SIRIUS 3RT Size S3 contactor, engineered for exceptional performance in motor control applications. This 3-pole contactor is rated for 37 kW and features a versatile auxiliary contact configuration of 1 normally open (NO) and 1 normally closed (NC) contact, facilitating complex control circuits. Its robust design ensures reliable operation in demanding industrial environments.
Part of Siemens’ renowned SIRIUS line, the 3RT2045-1AC20 contactor offers superior durability and consistent performance for switching electric motors. It is built to withstand frequent actuation and high electrical stresses, ensuring long service life and minimizing downtime. This Siemens 3RT2045-1AC20 is a cornerstone of efficient motor management.
This Siemens contactor is ideal for a wide range of applications, including starting, stopping, and protecting three-phase motors in manufacturing, processing plants, and other industrial facilities. Its precise switching capabilities and integrated auxiliary contacts simplify control panel design and enhance system functionality. Ensure reliable motor operation with this high-quality component.
Choose the Siemens 3RT2045-1AC20 for its advanced features, proven reliability, and Siemens’ commitment to quality. It delivers robust motor control and dependable circuit protection. Equip your systems with this high-performance Siemens SIRIUS contactor for optimal results.







