Siemens SIRIUS 3TF6 Contactor, 380 → 420 V ac Coil, 3-Pole, 630 A, 335 kW, 3NC + 3NO, 400 V

The Siemens vacuum contactor is designed specifically for high-performance applications in electrical systems. With its robust construction, it offers exceptional switching capabilities up to 690 V, making it an ideal choice for a variety of industrial settings. The product features a state-of-the-art design that ensures reliable operation even in demanding environments. Its mechanical service life extends to 5 million operating cycles, which minimizes the need for frequent replacements and maintenance. Enhanced with advanced auxiliary circuits, it provides flexibility in operations, allowing for seamless integration into existing systems. With a wide temperature range, this contactor is suitable for operation in temperatures as low as -25 °C to as high as +55 °C, ensuring optimal performance under diverse conditions.

Longevity with 5 million cycle service life
Broad temperature range from -25 to +55°C
Auxiliary contacts for enhanced functionality
Surge voltage resistance for protection
Flexible mounting and easy installation