Variable Speed Control increases ventilation system efficacy.

Mounted internally within fan housing to eliminate voltage spikes that can contribute to motor performance issues/failure, Vari-Green™ Drive (Model VGD-100) optimizes energy savings and efficiency of ventilation systems in diverse applications. This preprogrammed, factory mounted and wired variable speed control, intended for 3-phase motors up to 10 hp, uses R3 filtering technology to reduce electrical harmonics back into building and does not require any field installation or…

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