Siemens 3RT7045-1AF00 Contactor AC-3, 80A/37kW, 110V AC Coil, Size S3, Screw Terminal Original Brand New

Overview: Siemens 3RT7045-1AF00 SIRIUS Contactor

The Siemens 3RT7045-1AF00 is a high-performance SIRIUS series contactor designed for reliable switching and control of electric motors and other loads. This robust 3-pole AC-3 contactor is engineered for demanding industrial applications, offering exceptional durability and a long service life. With a rated operational current of 80A (at AC-3, 400V) and a power rating of 37kW, it is perfectly suited for managing powerful machinery. The contactor features a 110V AC, 50 Hz control coil and utilizes convenient screw terminals for secure and straightforward wiring. Its compact Size S3 design allows for efficient use of space within control panels and enclosures.

Key Features & Function

• High Power Rating: Rated for an operational current of 80A (AC-3) and a power output of 37kW at 400V, making it ideal for heavy-duty motor control.
• 3-Pole Design: Provides reliable switching for three-phase applications.
• AC-3 Utilization Category: Optimized for switching squirrel-cage motors in normal starting and stopping operations.
• 110V AC Control Coil: Standard industrial control voltage for seamless integration into existing control systems.
• Size S3: A compact and space-saving design from the SIRIUS S3 frame size.
• Screw Terminals: Ensures a strong, vibration-resistant electrical connection.
• Modular Design: Part of the comprehensive SIRIUS modular system, allowing for easy expansion with auxiliary contacts, overload relays, and other accessories.
• High Durability: Engineered for a long electrical and mechanical service life, reducing maintenance and downtime.
• Reliable Performance: Built to Siemens’ high-quality standards, guaranteeing consistent and safe operation.

Benefit

• Enhanced Reliability: The robust construction and high-quality materials ensure long-term, trouble-free operation, minimizing production interruptions.
• Simplified Installation: Screw terminals and a logical layout make wiring fast and easy, saving valuable time during installation and maintenance.
• Space Efficiency: The Size S3 design helps optimize panel layout, allowing for more components in a smaller footprint.
• Scalability: As part of the SIRIUS family, it can be easily integrated with a wide range of accessories to meet evolving application needs.
• Global Support: Backed by Siemens, a leader in industrial automation, ensuring access to expert support and a global distribution network.

Application

The Siemens 3RT7045-1AF00 contactor is a versatile component suitable for a variety of industrial applications, including:

• Motor control for pumps, fans, compressors, and conveyors
• HVAC systems
• Switching of resistive loads
• Industrial machinery and plant automation
• Power distribution circuits

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