Vostermans Variable Speed Drive 10 Amp w/ Manual Override featured can be independently switched for

can be independently switched for easy operation

The Max-Fan® is a more powerful and efficient fan that takes less energy to run

Includes a 2-year limited warranty

Q-Max Pro Series Fans are a quiet line of fans that feature the familiar Max-Fan and Max-Fan Pro Series motors integrated with an acoustic foam liner in a muffler for maximum sound absorption

Vostermans Variable Speed Drive 10 Amp w/ Manual Override featured can be independently switched forAvailable in three different models that have a 0 10 V or 4 20 mA input signal. Easy to access toggle switch to select manual or automatic mode as well as a manual speed selector dial on the faceplate. Internal minimum speed adjustment with possibility to work continuously at minimum speed. Comes in a rugged, sealed enclosure that protects from light, moisture and dust. Includes extended supply voltage range and a radio interference filter.