LiftMaster J 1/2 HP Industrial-Duty Jackshaft Operator Model:J501L5 / Single Phase (115V/230V) Frequency: No

Frequency: No

Requires power only on one side of the installation

The HySecurity Bumper Pivot Post

**Barrier arms over 15 ft

LiftMaster J 1/2 HP Industrial-Duty Jackshaft Operator Model:J501L5 / Single Phase (115V/230V) Frequency: NoLiftMaster J 1 2 HP Industrial Duty Jackshaft Operator The LiftMaster J operator is ideal for lighter rolling steel doors grilles and high or vertical lift sectional overhead doors in standard duty cycle commercial applications where a manual hoist is not required. Standard Duty up to 25 cycles hour and up to 90 cycles day (using continuous rated motor). Please note The following options are mandatory to purchase a Commercial Door Operator, any order