Siemens 3RT2037-1NB30-1AA0 Power Contactor, 65A, 30kW, S2 Original Brand New

Product Overview

The Siemens 3RT2037-1NB30-1AA0 is a high-performance 3-pole power contactor from the SIRIUS 3RT20 series, designed for switching motors and general resistive loads up to 65 A (AC-3e/AC-3). Engineered for reliable operation in industrial environments, this contactor offers a robust solution for switching applications with a rated power of 30 kW at 400 V.

It features a versatile control circuit, accepting a wide voltage range of 20-33 V AC/DC, which simplifies integration into various control systems. For enhanced durability and surge protection, the contactor comes with an integrated varistor. Its compact Size S2 design allows for space-saving, upright mounting.

Benefits & Features

1. Versatile Control: The wide $20-33VAC/DC$ operating range makes it ideal for universal control applications, minimizing component inventory.
2. Integrated Protection: The built-in varistor provides essential surge suppression, protecting the coil and extending the contactor’s service life.
3. Space and Cost Efficiency: As a Size S2 contactor, it delivers high performance in a compact footprint, optimizing cabinet space.
4. Reliable Connection: Features robust screw terminals for secure and enduring electrical connections, suitable for demanding industrial use.
5. Status Feedback: Includes $1NO$ and $1NC$ auxiliary contacts for easy integration into safety circuits and status monitoring.

Function & Application

The 3RT2037-1NB30-1AA0 contactor is primarily used for:

• Switching AC Motors: Ideal for starting, stopping, and reversing motors in machinery, conveyor systems, and pumps.
• Resistive Loads: Suitable for controlling heating, lighting, and other resistive electrical loads.
• Industrial Automation: An essential component in motor control centers (MCCs) and industrial control panels where reliable power switching is required.

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