Siemens 3RT2934-5AC21 Magnetic Coil 24V AC, 50/60 Hz for SIRIUS 3RT2.3 Contactors, Size S2 Original Brand New

Overview

The Siemens 3RT2934-5AC21 magnetic coil is a genuine, high-quality replacement component engineered for the SIRIUS generation of switching devices. Specifically designed for use with 3RT2.3 series contactors, this coil ensures the reliable and precise switching operation of your industrial control systems. With a standard 24 V AC (50/60 Hz) control supply, the 3RT2934-5AC21 is an essential spare part to minimize downtime and maintain peak performance for your Size S2 contactors.

Function

As the core actuating element, the magnetic coil converts electrical energy into magnetic force to close and open the main contacts of the contactor. The 3RT2934-5AC21 guarantees the necessary pull-in and holding power for the contactor to operate correctly under specified conditions, making it critical for motor control and switching applications.

Key Benefit

• Guaranteed Compatibility: Authentic Siemens part ensuring perfect fit and function with 3RT2.3 contactors.
• Optimized Performance: Provides the precise voltage and power characteristics required for reliable switching.
• Reduced Downtime: Quick and easy replacement of a failed coil restores full operation to your contactor.
• Long-Term Reliability: Built to the robust quality standards of the Siemens SIRIUS range.

Application

The 3RT2934-5AC21 coil is used in the maintenance and repair of Siemens SIRIUS power contactors, including but not limited to models like the 3RT2035 and 3RT2036. It is commonly utilized in:

• Motor control circuits
• Switching resistive loads
• Industrial automation panels
• HVAC and pump control systems

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