Siemens 3RT7037-1AG20 Contactor 65A, 3-Pole, AC-3 (30kW at 400V), 110V AC Coil, Size S2 Screw Terminal Original Brand New

Overview

The Siemens 3RT7037-1AG20 is a robust and reliable power contactor designed for switching motors and other resistive loads in demanding industrial environments. As a key component of the SIRIUS family, this 3-pole contactor is engineered for superior performance and longevity. With a high switching capacity of 65A for AC-3 applications and a 30kW rating at 400V, it is the ideal choice for controlling medium to high-power three-phase motors. The contactor features a 110V AC, 50/60 Hz operating coil, providing a standard and reliable control voltage for a wide range of systems. Its compact Size S2 design and easy-to-use screw terminals ensure quick and secure installation.

Key Benefit

• Exceptional Reliability: Part of the trusted Siemens SIRIUS family, known for high-quality engineering and long operational life.
• High Performance: Rated for 65A (AC-3) and 30kW, capable of handling significant motor loads with ease.
• Versatile Application: Suitable for a wide range of industrial applications, including motor control, switching resistive loads, and general automation.
• Ease of Installation: Standard screw terminals allow for simple, secure wiring without the need for specialized tools.
• Space-Saving Design: The compact Size S2 form factor helps optimize control panel space.
• Global Standard: Designed to meet international standards and certifications, ensuring compatibility and safety in various regions.

Technical Specification

• Product Number: Siemens 3RT7037-1AG20
• Rated Current (AC-3): 65A
• Rated Power (AC-3): 30 kW at 400V
• Number of Poles: 3-pole
• Operating Coil Voltage: 110 V AC, 50/60 Hz
• Terminal Type: Screw terminals
• Size: S2
• Product Type: Power Contactor
• Series: SIRIUS 3RT
• Mounting: DIN rail or screw fixing

Function

The Siemens 3RT7037-1AG20 contactor acts as an electrically operated switch. When the 110V AC control voltage is applied to the coil terminals, it creates a magnetic field that pulls the main contacts together. This action closes the circuit, allowing power to flow from the supply to the load (e.g., an electric motor). When the control voltage is removed, a spring forces the main contacts open, safely interrupting the power flow. This mechanism provides a safe, reliable, and remotely controllable method for starting and stopping industrial machinery.

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