Siemens 3RT7046-1AL20 Contactor AC-3, 95A, 45kW, 230V AC Coil, Size S3 with Screw Terminals Original Brand New

Overview

The Siemens 3RT7046-1AL20 is a high-performance 3-pole contactor from the trusted SIRIUS series, designed for the most demanding industrial applications. Engineered for superior reliability and efficiency, this device is perfect for switching and controlling motors and other electrical loads. With an AC-3 rating of 95A (45kW at 400V), it is a robust solution for medium to heavy-duty motor control systems. The contactor features a 230V AC operating coil for standard control circuits and convenient screw terminals for secure and straightforward wiring. Its compact Size S3 frame allows for efficient use of panel space without compromising on performance.

Key Features

• Product Number: 3RT7046-1AL20
• Contactor Type: 3-pole, suitable for 3-phase applications.
• AC-3 Rating: 95A at 400V, with a corresponding power rating of 45kW.
• Operating Coil: 230V AC, 50/60 Hz, ensuring compatibility with common control voltages.
• Size: S3, a compact yet powerful frame size.
• Terminals: Screw terminals for reliable and secure electrical connections.
• Safety & Reliability: Part of the Siemens SIRIUS series, known for its long service life and high operational reliability.

Benefit

• Exceptional Durability: Built to withstand frequent switching cycles, reducing maintenance costs and downtime.
• High Performance: Provides reliable switching for high-power motors and electrical loads up to 95A.
• Ease of Installation: Screw terminals simplify the wiring process, saving time during installation and maintenance.
• Space-Efficient Design: The S3 frame size offers a high power-to-size ratio, optimizing control panel layout.
• Seamless Integration: Compatible with the full range of Siemens SIRIUS accessories, including auxiliary contacts, surge suppressors, and overload relays, for a complete motor starter solution.
• Global Standard: Complies with international standards, making it suitable for a wide range of industrial applications worldwide.

Function

The Siemens 3RT7046-1AL20 contactor acts as an electrically controlled switch, primarily used for remotely controlling a motor. When a 230V AC voltage is applied to the coil (A1-A2), a magnetic field is generated, which pulls the main contacts together. This action closes the circuit, allowing power to flow to the motor or load. When the coil voltage is removed, a spring returns the contacts to their open position, de-energizing the load. This functionality makes it a core component in motor starters, control panels, and automation systems, providing safe and efficient control of high-current circuits.

Application

• Motor Starters (DOL, reversing, star-delta)
• Pump and Fan Control
• Heating, Ventilation, and Air Conditioning (HVAC) systems
• Conveyor Belt Systems
• Industrial Machinery Control
• Lighting Control Systems

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