Siemens 3RT2045-1AP00-1AA0 Power Contactor 80A, 37kW, 3-Pole, 230V AC, AC-3e/AC-3 Original Brand New

Overview

The Siemens 3RT2045-1AP00-1AA0 is a robust industrial-grade power contactor designed for demanding AC-3e/AC-3 applications. Rated at 80A with a power capacity of 37 kW at 400V, this 3-pole contactor ensures reliable switching for motors, machinery, and heavy electrical loads. Its compact S3 size and upright mounting position make installation straightforward, while the integrated auxiliary contacts (1 NO + 1 NC) provide versatile control options for automation systems.

Key Benefits

• High Load Capacity: Handles up to 80A and 37 kW at 400V for industrial AC applications.

• Durable and Reliable: Engineered by Siemens for long-lasting performance in heavy-duty environments.

• Flexible Control Options: Includes 1 NO + 1 NC auxiliary contacts for enhanced automation compatibility.

• Easy Installation: Screw terminal connections and upright mounting simplify setup.

• Compact Design: Size S3 minimizes space usage in control panels.

Functions

• Efficient switching of three-phase motors and industrial equipment.

• Supports AC-3e/AC-3 rated loads for motor start/stop operations.

• Facilitates integration with control circuits via auxiliary contacts.

• Provides safety and reliability in electrical distribution and automation systems.

Applications

• Direct On Line (DOL) Motor Starters: Switching the motor on and off.
• Reversing Starters: Used in pairs for changing the motor’s direction of rotation.
• Star-Delta (Wye-Delta) Starters: Employed in starter assemblies for reduced-voltage starting.
• General Load Switching: Control of resistance furnaces, high-power lighting systems, and capacitors.
• Industrial Machinery: Integration into control circuits for pumps, fans, compressors, and conveyors.

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