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There are 5 products.

Series 1640 Floating Contact Null Switches for Hi/Low Actuation

Produced by the leading manufacturer to be strong and long-lasting, series 1640 floating contact null switches for hi/low actuation feature double throw floating contact switch, a single pole, and sturdy construction. Created with the finest raw materials, each switch is able to respond to pressure changes when the system reaches a desired maximum or minimum. View the list below to find the item for you. If you have any questions or issues concerning any of our items, please contact us at or chat with us live.