Siemens 3RT2934-5NP31 Magnetic Coil Universal AC/DC 175-280V, Contactor Coil S2 with Varistor for 3RT2.3 Original Brand New

Overview

The Siemens 3RT2934-5NP31 Magnetic Coil is an essential spare part for the SIRIUS series of power contactors, specifically designed for the 3RT2.3 contactor frame size (typically S2). This robust, universal control supply voltage coil operates across a wide range of 175-280 V AC/DC at both $50\text{ Hz}$ and $60\text{ Hz}$. Engineered for high performance and reliability, it ensures dependable switching operations for your industrial control applications. The coil comes with an integrated varistor for superior surge suppression, protecting the coil and the overall control system from voltage peaks.

Benefits & Key Features

• Universal Voltage Range: Operates flawlessly on a wide control supply voltage of 175-280 V AC/DC, simplifying inventory and maintenance.
• Integrated Surge Protection: Includes a factory-fitted varistor to safely suppress switching voltage peaks, dramatically extending the coil’s and the contactor’s service life.
• High Compatibility: Perfectly matched as a spare/replacement coil for Siemens SIRIUS 3RT2.3 power contactors (Size S2).
• Dual Frequency: Suitable for use in both $50\text{ Hz}$ and $60\text{ Hz}$ power systems globally.
• Genuine Siemens Quality: Manufactured under the rigorous quality standards of the SIRIUS industrial controls range.

Application

The Siemens 3RT2934-5NP31 coil is primarily used for control circuit applications involving the SIRIUS 3RT2.3 contactors. This makes it an ideal component in:

• Motor Control Centers (MCCs): For reliable starting and stopping of motors.
• Industrial Automation Systems: In control panels and switchgear for switching power loads.
• HVAC Systems: Controlling compressors, fans, and pumps.
• Machine Building: As a critical component in various industrial machinery and equipment.

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