Siemens 3RT2045-1AV00 Power Contactor, 3-Pole, 80A, 37kW/400V AC, S3 Size, Screw Terminal Original Brand New

Overview

The Siemens 3RT2045-1AV00 Power Contactor is a high-performance 3-pole contactor designed for reliable control of electric motors and power circuits. Engineered to Siemens’ rigorous quality standards, this device ensures efficient switching and long service life in industrial automation systems. Ideal for use in control panels, manufacturing lines, HVAC systems, and other demanding electrical environments.

Key Features & Specification

• Product Type: Power Contactor

• Model Number: 3RT2045-1AV00

• Rated Operational Current (AC-3/AC-3e): 80 A

• Rated Power: 37 kW at 400 V AC

• Poles: 3-Pole

• Control Supply Voltage: 400 V AC, 50 Hz

• Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)

• Connection Type: Screw Terminal

• Size: S3

• Manufacturer: Siemens

• Mounting Type: DIN Rail / Panel Mount

• Applications: Motor control, industrial automation, switching systems

Benefits

• High Reliability: Built with Siemens’ precision engineering for consistent performance under heavy load conditions.
• Long Service Life: Robust contact design ensures extended operational durability.
• Easy Installation: Screw terminals and compact S3 size allow for quick setup and flexible mounting.
• Versatile Operation: Suitable for AC-3 and AC-3e applications in various industrial sectors.
• Safety & Compliance: Meets international standards for electrical safety and efficiency.

Function & Applications

The Siemens 3RT2045-1AV00 power contactor is used for switching and controlling electric motors and other high-current loads in AC circuits. It provides reliable switching functions for automation systems, motor starters, conveyors, and industrial control panels. Its auxiliary contacts allow for additional control and feedback in complex automation configurations.

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