Siemens 3RT2015-2QB41 SIRIUS 3-Pole Power Contactor, 7A, 3kW, 24V DC with Varistor, Spring-Loaded Terminal, Frame S00 Original Brand New

Overview

The Siemens 3RT2015-2QB41 SIRIUS power contactor is a high-performance, compact component designed for reliable switching of electric motors and other industrial loads. As part of the SIRIUS modular system, it offers a robust and efficient solution for control circuits. This specific model features a 3-pole configuration, a rated current of 7 A for AC-3e/AC-3 applications, and a switching capacity of 3 kW at 400 V.

Its 24 V DC control voltage with a wide operating range (0.7-1.25* Uc) and an integrated varistor for surge protection ensures reliable operation in demanding environments. The spring-loaded terminal design allows for fast, secure, and vibration-resistant wiring without the need for tools, making installation and maintenance highly efficient.

Benefit

• Reliable Performance: Engineered by Siemens, a leader in industrial automation, this contactor provides consistent and durable performance for critical applications.
• Space-Saving Design: The compact S00 frame size helps to optimize panel space, enabling more efficient and smaller control cabinet layouts.
• Fast and Secure Wiring: Spring-loaded terminals offer a quick, tool-free connection that is highly resistant to vibration, ensuring long-term operational stability and reduced maintenance time.
• Enhanced Circuit Protection: The integrated varistor protects the control circuit from voltage spikes, extending the lifespan of the contactor and other sensitive components.
• Versatile Application: Ideal for switching a wide range of loads, including AC motors, heaters, and lighting, in various industrial settings.

Function

• Switching: Controls the flow of electrical power to a load, acting as a remote-controlled switch.
• Motor Control: Serves as a primary component in motor starter circuits for starting, stopping, and reversing motors.
• Auxiliary Signaling: The built-in 1 NO (Normally Open) auxiliary contact provides feedback on the contactor’s status to the control system.
• Surge Suppression: The pre-mounted varistor absorbs and dissipates transient voltage spikes on the coil, preventing damage to the coil and the control circuit.

Technical Specification

• Product Type: Power Contactor
• Product Number: 3RT2015-2QB41
• Series: SIRIUS 3RT2
• Poles: 3-pole
• Operating Current (AC-3e/AC-3): 7 A
• Rated Power (AC-3e/AC-3): 3 kW at 400 V
• Control Voltage: 24 V DC
• Control Voltage Range: 0.7 to 1.25 * Uc (Rated Control Supply Voltage)
• Auxiliary Contacts: 1 NO (Normally Open)
• Connection Type: Spring-loaded terminals
• Frame Size: S00
• Special Features: Varistor for surge suppression, no provision for additional auxiliary switch block.

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