Contact Global | English

Global sites

        Vacuum contactors

        Safely switch operating currents in medium-voltage power distribution systems

        0 switching cycles

        • Ensuring end-to-end protection for your system operation

        Find the right vacuum contactors for your needs

        Siemens Industry Mall
        Portfolio

        3TM vacuum contactors – ideal for high switching frequencies

        Compact, energy-efficient 3TM vacuum contactors are flexible to use and are suited for all relevant areas in medium-voltage power distribution, for rated voltages of 7.2 to 15 kV and rated operational currents up to 450 A. They ensure safe switching of operational currents and overload currents in categories AC-1 to AC-4 – even during voltage dips. From conveyor systems and elevators, pumping stations, transformer and transfer stations, reactive power compensation equipment, and industrial network distribution systems, to electric furnaces, data centers, wind power plants, and photovoltaic panels – vacuum contactors ensure end-to-end protection for your system operation.

        Vacuum contactors – your benefits

        • Individually adjustable switching times
        • Various mounting positions
        • Flexible control of linking system
        • Highly shock-resistant
        • Suitable for ambient temperatures from -40° Celsius to +70° Celsius
        • Suitable for applications in altitudes of up to 5,000 m
        • Freely definable pole-center distances
        • 1-pole, 2-pole, and 3-pole versions
        • Easy replacement and modification as well as easy retrofitting of components
        • Certified in accordance with IEC 62271-106
        • Certified in accordance with UL 347
        • Certified in accordance with GOST P 52565-2006
        • Certified in accordance with CSA C22.2 253-09
        • Certified in accordance with GB/T14808
        • Certified in accordance with DNVGL-CG-0339
        More about 3TM vacuum contactors

        Download Flyer
        Downloads und Support

        Take advantage of our services

        Here you will find important information, documents, and addresses relating to low-voltage power distribution and electrical installation technology.

        Downloads

        Additional sources

        Ordering vacuum contactors

        Safe switching in medium-voltage power distribution systems

        Learn, choose, then order: Detailed technical information on vacuum contactors is available in the Industry Mall. You’re just a few clicks away from the right devices for your medium-voltage power distribution system.

        Find the right vacuum contactors for your needs

        Siemens Industry Mall

        Related Links

        Medium-voltage – Power distribution

        A comprehensive portfolio for medium-voltage power distribution enables a more economical and responsible use of electrical power through the utilization of smart grids.

        Consultant Support for Totally Integrated Power (TIP)

        Siemens offers comprehensive services for the planning and design of electric power distribution systems for infrastructure projects, buildings and industries.

        Totally Integrated Power

        Because power matters for industries, buildings, and infrastructure, Totally Integrated Power provides reliable, secure, and efficient power, even in harsh environments.