Siemens 3RT7046-1AH20 Contactor: 95A, 45kW, 48V AC, 3-Pole, Size S3 Screw Terminal Original Brand New

Overview

The Siemens 3RT7046-1AH20 is a high-performance power contactor designed for reliable switching of electric motors and other loads. Part of the SIRIUS 3RT series, this device is engineered for demanding industrial applications. It is rated for AC-3 duty up to 95A and 45kW at 400V, making it suitable for a wide range of machinery. Its compact Size S3 design and easy-to-use screw terminals ensure straightforward installation and maintenance.

Key Features & Benefit

• High Current & Power Rating: With a 95A/45kW rating, this contactor can handle significant loads, ensuring durability and performance.
• Energy Efficient: The 48V AC coil operates efficiently, reducing energy consumption and operational costs.
• Robust & Durable: Built with high-quality materials, the Siemens 3RT7046-1AH20 is designed for a long service life in harsh industrial environments.
• Versatile Application: Ideal for controlling 3-phase motors, heating systems, and other resistive or inductive loads.
• Reliable Connections: Screw terminals provide a secure and stable connection, minimizing the risk of faults due to vibration or loose wiring.
• Compact Design (Size S3): Saves valuable space within control panels and electrical cabinets.
• Easy to Integrate: Compatible with a wide range of Siemens SIRIUS components, allowing for seamless integration into existing control systems.

Technical Specification

• Product Number: 3RT7046-1AH20
• Type: Power Contactor
• Application: AC-3 (Motor Control)
• Rated Current (AC-3): 95A
• Rated Power (AC-3): 45kW at 400V
• Number of Poles: 3-pole
• Coil Voltage: 48V AC, 50/60 Hz
• Terminal Type: Screw Terminal
• Size: S3
• Manufacturer: Siemens
• Series: SIRIUS 3RT

Function

The Siemens 3RT7046-1AH20 contactor acts as an electrically controlled switch. When the 48V AC coil is energized, it creates a magnetic field that pulls the main contacts together, allowing power to flow to the connected load. When the coil is de-energized, the contacts spring open, interrupting the power supply. This mechanism enables remote and automated control of high-power equipment, providing a critical safety and control function in industrial automation systems.

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