Overview
The Siemens 3RT7045-1AQ00 is a high-performance 3-pole contactor designed for reliable switching of motors and other electrical loads in industrial applications. Part of the SIRIUS 3RT series, this contactor is engineered for durability, efficiency, and ease of installation. It features an AC-3 rating of 80A at 400V (37kW), making it suitable for a wide range of demanding applications. The compact Size S3 design and convenient screw terminals ensure a secure and space-saving integration into your control cabinet.
Key Features & Benefit
- High Power Rating: With an AC-3 rating of 80A (37kW at 400V), this contactor is capable of handling heavy-duty motor control tasks.
- Robust & Reliable: Built with high-quality materials and a proven design, the 3RT7045-1AQ00 offers exceptional long-term reliability and a high switching frequency.
- Compact Design: The Size S3 frame allows for efficient use of space in crowded control panels and cabinets.
- Easy Installation: Screw terminals provide a secure and straightforward connection for quick and easy installation and maintenance.
- Versatile Application: Ideal for motor control, switching resistive loads, and general-purpose applications in various industrial environments.
- Globally Recognized Brand: Siemens is a leader in industrial automation, ensuring you receive a product of the highest quality and performance.
Technical Specification
- Product Number: 3RT7045-1AQ00
- Type: Contactor, 3-pole
- AC-3 Rating: 80 A (at 400V)
- Rated Power (AC-3): 37 kW (at 400V)
- Operating Voltage: 380 VAC, 50 Hz
- Size: S3
- Terminals: Screw Terminals
- Series: SIRIUS 3RT
- Standards: IEC, UL, CSA, EAC
Function
The Siemens 3RT7045-1AQ00 contactor acts as an electrically controlled switch used for switching an electrical power circuit. It is primarily used for controlling electric motors and other loads that require high-current switching. When the coil is energized by the 380 VAC, 50 Hz control voltage, the main contacts close, allowing power to flow to the connected load. When the coil is de-energized, the contacts open, safely disconnecting the load from the power supply.
Application
- Motor control for pumps, fans, compressors, and conveyors
- Switching of heating and lighting systems
- Control of power distribution circuits
- Industrial machinery and automation systems
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