Siemens 3RT7045-1AL20 Sirius Contactor 3-Pole, AC-3 80A/37kW, 230V AC Coil, Size S3 Original Brand New

Overview

The Siemens 3RT7045-1AL20 is a high-performance 3-pole contactor from the trusted Sirius series, designed for demanding industrial applications. This robust device is engineered to reliably switch AC-3 loads up as high as 80A at 400V, making it an ideal solution for controlling motors with a power rating of up to 37 kW. Featuring a standard 230 V AC control coil for easy integration into most control circuits, this Size S3 contactor provides excellent operational reliability and a long mechanical and electrical lifespan. Its user-friendly design includes durable screw terminals, ensuring secure and straightforward wiring during installation.

Key Features & Function

• High Power Rating: Capable of handling AC-3 loads up to 80 A at 400 V, suitable for powerful motor control.
• Optimal Motor Control: Perfect for switching motors with a power output of up to 37 kW (at 400 V), ensuring efficient and safe operation.
• Versatile 3-Pole Design: Provides three main poles for switching three-phase loads, a standard requirement for industrial motors.
• Standard Control Voltage: The 230 V AC, 50/60 Hz coil allows for seamless integration into common European and international control systems.
• Robust Size S3 Construction: Part of the Siemens Sirius modular system, its Size S3 design ensures durability and high performance in harsh industrial environments.
• Secure Screw Terminals: Offers reliable and easy-to-use screw terminals for a strong electrical connection, reducing installation time and maintenance.
• High Durability: Engineered for a long service life, reducing the need for frequent replacements and minimizing downtime.

Benefit

• Enhanced Safety: Provides reliable switching and protection for valuable motors and equipment.
• Improved Efficiency: Reduces energy loss and ensures smooth operation of connected machinery.
• Reduced Downtime: The long lifespan and robust design minimize maintenance and repair needs.
• Ease of Integration: Standardized design and control voltage make it simple to incorporate into existing or new control panels.
• Trusted Quality: As a Siemens product, it comes with the assurance of world-class engineering, quality, and reliability.

Application

The Siemens 3RT7045-1AL20 contactor is a go-to component for a wide range of industrial applications, including:

• Motor control and starting in machinery and plant engineering.
• HVAC systems and ventilation.
• Pumps, fans, and conveyor systems.
• Switching of resistive loads and other general-purpose industrial switching tasks.

Technical Specification

• Product Number: 3RT7045-1AL20
• Type: Contactor
• Poles: 3
• AC-3 Rated Current (400V): 80 A
• AC-3 Rated Power (400V): 37 kW
• Control Coil Voltage: 230 V AC (50/60 Hz)
• Size: S3
• Terminals: Screw Terminals
• Series: Sirius

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