HAMPDEN ENGINEERING CORPORATION


​sales@hampden.com

P.O. Box 563

​East Longmeadow, MA 01028

​(Toll Free) 800-253-2133 or 888-HEC-CORP

Local: 413-525-3981

​Fax: 413-525-4741​

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H-IEC-B4 ADJUSTABLE FREQUENCY SPEED CONTROLLER 

The Hampden Model H-IEC-B4 Adjustable Frequency Speed Controller helps students learn the principle of the controller that varies the speed of a three-phase induction motor by changing the frequency of the applied voltage.