Contactors and starters

Vacuum starters are offered in three classifications. They are NEMA rated devices up to 600 Vac, special purpose rated devices up to 1500 Vac and mining rated devices rated up to 1500 Vac. Each device is tested to different standards to serve its specific market. Typical applications include full voltage control of three-phase squirrel cage motors, primary control of low-voltage wound rotor motors and circuit switching for low-voltage capacitors for power factor improvement.

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Eaton industrial control line card

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Vacuum contactors core features

Air-free chamber allows arc extinction and current interruption to be completed within a fraction of a cycle, minimising contact erosion
Durable metal bellows within the bottle allow the moving contact to be closed and pulled open from the outside without leaking air into the bottle
Front removable coil and auxiliaries allow for easy maintenance

Standard low chop interrupters eliminate the need for extra surge suppressors
Contact wear indicators aide in planning your preventative maintenance schedule
Silver tungsten carbide contacts provide maximum performance

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Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere. We are guided by our commitment to do business right, to operate sustainably and to help our customers manage power ─ today and well into the future. By capitalizing on the global growth trends of electrification and digitalization, we’re accelerating the planet’s transition to renewable energy and helping to solve the world’s most urgent power management challenges.
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Vacuum contactors