Siemens 3RT2045-1AD04 Power Contactor, 80 A, 37 kW, 42 V AC Coil, Size S3, with 2 NO + 2 NC Auxiliary Contacts Original Brand New

Overview

The Siemens SIRIUS 3RT2045-1AD04 is a robust and reliable 3-pole power contactor designed for the demanding requirements of industrial control and automation. As a key component in motor and load control, this contactor is engineered for performance, safety, and durability. With an impressive 80 A current rating and a power capacity of up to 37 kW at 400 V, it is suitable for a wide range of applications.

Its compact size S3 footprint and user-friendly screw terminals simplify installation, while the integrated auxiliary contacts and removable auxiliary switch enhance its versatility and control capabilities. This contactor is part of the trusted Siemens SIRIUS modular system, ensuring seamless integration and high-quality performance.

Key Features & Function

• High-Performance Switching: Rated for AC-3e/AC-3 applications, it reliably switches loads with high inrush currents, making it ideal for controlling motors.
• Optimal Power Handling: Capable of handling 80 A and 37 kW at 400 V, providing ample capacity for medium to heavy-duty industrial applications.
• Versatile Auxiliary Contacts: Features a built-in 2 NO (Normally Open) + 2 NC (Normally Closed) auxiliary contact block, offering flexible control and feedback options for your system.
• Efficient Coil Operation: The 42 V AC, 50 Hz coil ensures reliable switching and is compatible with various control circuits.
• Robust & Compact Design: The Size S3 form factor balances a powerful current rating with a space-saving design, while its durable construction guarantees a long service life.
• Secure & Easy Connection: Equipped with screw terminals for a strong and reliable electrical connection, simplifying wiring and maintenance.
• Removable Auxiliary Switch: The auxiliary switch is removable, allowing for easy configuration, maintenance, or replacement, and adding to the product’s modular flexibility.

Benefit

• Enhanced System Reliability: Part of the Siemens SIRIUS family, known for its high-quality construction and consistent performance, minimizing downtime.
• Cost-Effective Solution: Durable design and long service life reduce the total cost of ownership over time.
• Simplified Installation: Screw terminals and a compact design streamline the installation process, saving time and labor costs.
• Improved Control: The comprehensive set of auxiliary contacts allows for advanced control circuit designs, including interlocking and status feedback.
• Flexibility & Adaptability: Compatible with the full range of Siemens SIRIUS accessories, enabling customization for specific application needs.

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