Siemens 3RT2045-1AR64 Power Contactor 80A, 3-Pole, AC-3, 37 kW / 400V Original Brand New

Overview

The Siemens 3RT2045-1AR64 is a high-performance 3-pole power contactor designed for industrial and commercial electrical applications. Engineered for reliable switching of AC-3 loads, this contactor supports up to 80 A and 37 kW at 400 V, making it ideal for motors, compressors, pumps, and other heavy-duty machinery. Its removable auxiliary switch and flexible screw terminal configuration ensure easy installation, maintenance, and operational efficiency.

Key Features & Benefit

• High Load Capacity: Handles up to 80 A and 37 kW at 400 V, supporting demanding industrial applications.

• Versatile AC Ratings: Operates efficiently at AC-3e/AC-3 ratings, 50 Hz / 60 Hz, covering global power standards.

• 3-Pole Design: Ensures safe and reliable power switching for three-phase systems.

• Auxiliary Contacts: Includes 2 NO + 2 NC contacts for signaling and control flexibility.

• Removable Auxiliary Switch: Simplifies replacement, customization, and maintenance.

• Durable Construction: Siemens quality guarantees long-lasting performance under rigorous conditions.

• Size S3: Compact design saves space in control panels while maintaining robust performance.

Application

• Industrial motor control

• Pump and compressor circuits

• HVAC and heavy machinery control

• Automation systems

• Power distribution and switching

Technical Specification

• Brand: Siemens

• Model Number: 3RT2045-1AR64

• Type: Power Contactor

• Poles: 3

• Current Rating: 80 A

• Power Rating: 37 kW / 400 V

• Voltage: 400 V AC, 50 Hz / 400-440 V, 60 Hz

• Auxiliary Contacts: 2 NO + 2 NC

• Terminal Type: Screw Terminal

• Size: S3

• Removable Auxiliary Switch: Yes

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