Vacuum contactors are designed with the main contacts in sealed vacuum bottles. These three-pole devices are suitable for contaminated atmospheres and offer long life and low maintenance. Two models are available with amperage ratings ranging from 135A to 540A; one for motor, transformer, and capacitor loads to 600V and the other for inductive and non-inductive loads from 200V to 1500V.
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Digest 178 – NEMA and Definite Purpose Contactors and Starters
Motor Control, NEMA Products, Contactors, Starters – Definite Purpose, Duplex Motor Controllers, Overload Relays, Pump Panels, Contactors – Definite Purpose, Separate Enclosures / Replacement Parts, Contactors – Lighting, Contactors – Vacuum, Starters – Combination, Starters – Reduced Voltage, Starters – Vacuum, Starters/Protectors & Switches – Manual, Starters | Schneider Electric