The 4,000 pound capacity of this Aerotech BA4000 Curtain Machine with a three foot travel length reduces the number of machines needed for longer buildings. It uses heavy-duty, long travel actuators to operate curtain or air inlet baffles. The unique ball bearing screw design delivers 90% of the motor's power to cable, providing lower power use and increased reliability.

The quality drive motor features an internal electric brake for precise positioning of curtains. The built-in header features greaseable needle-bearing pulleys to allow lift cables to exit in any desired direction.

Features

• 3' nominal travel length
• Unique design permits easy service and maintenance
• Galvanized steel construction with removable hinged cover provides outstanding protection & can be mounted outside of most buildings
• Travel limit switches are simple and easy to adjust
• Features all sealed electrical components including switches and circuit boards
• Capacity provides up to 700 lbs of inlet baffle - 11" of travel open & close

Also available with 2' of travel length, QC Part #90986-24 and with 4' of travel length, QC Part #90986-48.