Variable Frequency Drives & Digital Phase Converters

Contact Us

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Main Office

231 East Main St. North
Rapid City, SD 57701
United States


(866) 250-7934 • Toll-free
(605) 343-7934 • Local
(605) 343-7943 • Fax

Business Hours

8:00am to 5:00pm, Monday through Friday (Mountain Time)
Closed Saturday and Sunday

For service and RMAs, please call or visit our support center.