3RT2045-3AL20 SIEMENS

The 3RT2045-3AL20 is a high-performance power contactor from Siemens, designed for switching electrical loads in various applications. This contactor is specifically configured for AC-3 duty, with a rated current of 80 A and a power rating of 37 kW at 400 V. It features a 3-pole design with 3 normally open (NO) main contacts, making it suitable for controlling three-phase motors and other inductive loads. Additionally, the contactor includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts for control and signaling purposes. The coil voltage is 230 V AC at 50/60 Hz, ensuring compatibility with standard power supplies. Its compact Size S3 design allows for efficient space utilization in control panels. The spring-type terminals provide a secure and vibration-resistant connection, simplifying installation and maintenance. This contactor is ideal for use in motor starters, HVAC systems, and other industrial applications requiring reliable switching performance. Siemens' 3RT2045-3AL20 contactor offers a robust and dependable solution for demanding electrical control needs.