Siemens 3RT2045-3AF06 Power Contactor 3-Pole, 80A, 110V AC, 37kW, 400V, S3 Size Original Brand New

Product Overview

The Siemens 3RT2045-3AF06 is a high-performance 3-pole power contactor engineered for reliable switching of motors and heavy loads. With a current rating of 80 A and motor power rating of 37 kW at 400 V, this contactor is ideal for AC-3 and AC-3e applications. Designed with 110V AC coil voltage and 2 NO + 2 NC auxiliary contacts, this device supports a wide range of industrial control systems. Its compact size S3, screw terminals for the main circuit, and spring-loaded terminals for control/auxiliary circuits make installation easy and secure.

Key Benefit

• High Current Capacity: Handles up to 80 Amps for powerful motor control.

• Efficient Motor Switching: Suitable for AC-3e/AC-3 operations with 37 kW @ 400 V capability.

• Enhanced Reliability: Built with Siemens’ trusted quality and durability.

• Easy Wiring: Screw terminals for main circuit and spring-loaded terminals for control/auxiliary.

• Flexible Integration: Includes 2 normally open and 2 normally closed auxiliary contacts.

• Compact Form Factor: Size S3 for efficient use of panel space.

• Lateral Auxiliary Switch: For extended control functionality.

Function & Application

• Designed for switching electric motors, power distribution systems, and automation equipment.

• Ideal for use in manufacturing plants, HVAC systems, industrial machinery, and panel boards.

• Ensures consistent performance in AC-3 rated applications under high mechanical and electrical loads.

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