***REPLACED BY THE LJ8950W** The LiftMaster 3950 jackshaft door operator is designed for use on commercial rolling sheet door applications only, but not to exceed 650lbs. The ideal door operator for your self-storage facility. The operator comes complete with the necessary mounting and sprocket hardware for installation on either live or dead shaft rolling sheet doors, as well as photo-sensors to insure safe operation. Ideal for either new construction or retrofit, the compact design fits perfectly in any situation, and its powerful, heavy-duty 24V DC motor provides ultra-quiet operation. You can mount it on either right or left side. The drive sprocket mounts easily to the 3950 operator via screw
attachment to one of three sets of pre-punched holes, which allows for
vertical adjustment of the sprocket to provide easier alignment of the
drive and door sprockets.
One of the optional accessories is the 475LM EverCharge Standby Power battery backup system for operation during power outages.
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