Three-phase Motors Operate at IE5 Efficiency Levels

Greenheck adds three-phase motors to its line of Vari-Green electronically commutated (EC) motors.
Greenheck adds three-phase motors to its line of Vari-Green electronically commutated (EC) motors.

Greenheck has added three-phase motors to its line of Vari-Green electronically commutated (EC) motors. The three-phase motors accept 208-230V and 460V power supply and are available in sizes ranging from 1 to 10 hp. Typical turndown is factory-set at 75 percent and speed can be controlled via an onboard dial or a 0-10 VDC control signal. Vari-Green motors run cooler and offer higher efficiencies; the three-phase Vari-Green motor operates at IE5 efficiency levels. The three-phase motor is compatible with all Vari-Green controls and other controls such as a building automation system and has an auxiliary contact for motor status or damper actuation. The three-phase Vari-Green motor can be ordered with select sizes of Greenheck models SQ inline fans, AER axial fans and models G and CUE power roof ventilators.

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