Siemens 3RT2045-1AB00-1AA0 Power Contactor 80A, 37kW, 3-Pole, 24V AC, AC-3/AC-3e Original Brand New

Overview

The Siemens 3RT2045-1AB00-1AA0 is a high-performance power contactor designed for industrial applications requiring reliable switching of motors and other electrical loads. With a current rating of 80 A and a power rating of 37 kW at 400 V, this 3-pole contactor is perfect for AC-3/AC-3e applications. Its compact S3 size, screw terminals, and upright mounting position make installation quick and efficient, while the integrated auxiliary contacts (1 NO + 1 NC) allow for seamless control and automation integration.

Key Benefit

• High Reliability: Engineered for long service life in demanding industrial environments.

• Efficient Power Handling: 80 A, 37 kW rating ensures smooth operation of motors and heavy electrical loads.

• Versatile Installation: S3 size with upright mounting position and screw terminals simplifies setup.

• Enhanced Control: 1 NO + 1 NC auxiliary contacts for flexible automation and signaling.

• Global Compatibility: Operates at 24 V AC, 50 Hz, suitable for international standards.

Function

• Switching and controlling AC motors and other heavy electrical devices.

• Integration with industrial automation systems via auxiliary contacts.

• Reliable performance under AC-3 and AC-3e load conditions.

• Provides secure, maintenance-friendly connections through screw terminals.

Installation & Compliance

This Siemens power contactor meets the stringent requirements of both AC-3 and the new, efficiency-focused AC-3e standards. Its robust design is optimized for a long mechanical and electrical service life, making it a cost-effective solution for demanding applications in machine building and industrial automation.

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