Siemens 3RT2035-3KB40 SIRIUS Power Contactor 41A, 18.5 kW, 24V DC Original Brand New

Overview

The Siemens 3RT2035-3KB40 SIRIUS Power Contactor is a high-performance, 3-pole electrical switch designed for controlling motors and other loads in industrial applications. Part of the renowned SIRIUS family, this contactor is engineered for AC-3e/AC-3 duty, meaning it's optimized for switching Squirrel-cage motors under normal operating conditions.

With a rated current of 41 A and a power rating of 18.5 kW at 400 V, it's suitable for a wide range of medium-duty applications. Its 24V DC control voltage with an integrated varistor makes it ideal for use with PLC outputs, providing reliable and surge-protected operation. The compact S2 frame size ensures it fits efficiently within control panels.

Key Benefit

• Enhanced Reliability: The integrated varistor protects the control circuit from voltage spikes, extending the lifespan of the contactor and connected PLC outputs.
• Versatile Connectivity: Features both screw terminals for the main circuit and spring-loaded terminals for control and auxiliary circuits, offering flexibility and fast, secure wiring.
• Space-Saving Design: The S2 frame size provides a high power-to-size ratio, optimizing panel space and reducing overall equipment footprint.
• Easy Integration: Specifically designed to be suitable for PLC outputs, simplifying system design and integration into automated control systems.
• Robust Construction: Built to industrial standards for reliable performance in demanding environments.

Function

• Switching: Acts as a remote-controlled electrical switch to turn power on and off to connected loads, such as motors, heating elements, and lighting.
• Control: The 24V DC control voltage coil is energized to close the main contacts, allowing power to flow.
• Auxiliary Contacts: The included 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts provide feedback on the contactor's status and can be used for interlocking or signaling purposes within a control circuit.

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