Siemens SIRIUS 3RT2934-5NF31 Magnetic Coil 84-155V AC/DC, Varistor, For 3RT2.3 S2 Contactors Original Brand New

Overview: Siemens 3RT2934-5NF31 Magnetic Coil

The Siemens 3RT2934-5NF31 is a high-performance, universal magnetic coil designed specifically for the SIRIUS series 3RT2.3 (Size S2) power contactors. As a crucial replacement part or accessory, this coil is engineered to ensure reliable switching operations across a wide range of industrial applications.

It features a versatile 84-155 V AC/DC control supply voltage and operates at both 50 Hz and 60 Hz frequencies, making it suitable for global use. A standout feature is the integrated varistor, which provides essential surge suppression, protecting the coil and the entire control circuit from damaging voltage spikes and ensuring a longer operational lifespan.

Key Function

• Actuation: Provides the electromagnetic force necessary to open and close the main and auxiliary contacts of the Siemens 3RT2.3 Contactor.
• Wide-Range Control: Accepts a broad 84-155 V control voltage, accommodating variations in supply and simplifying inventory.
• Surge Protection: The built-in varistor acts as a damping element to limit voltage peaks when the coil is switched off, protecting sensitive control system components like PLCs.

Benefit

• Enhanced Reliability: The integrated varistor significantly increases the lifespan of the coil and connected electronics by mitigating voltage surges.
• Universal Application: The wide AC/DC voltage range (84-155V) allows for flexible use in different control panel designs without needing separate AC and DC coils.
• Perfect Fit: Guaranteed compatibility and seamless integration with Siemens SIRIUS 3RT2.3 contactors, ensuring manufacturer-standard performance.
• Reduced Wiring: No need for an external surge suppression module, simplifying installation and saving space within the control cabinet.
• Genuine Quality: An original Siemens replacement part guarantees the high quality, reliability, and precision engineering expected for critical motor and load switching applications.

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