HySecurity Arm Replacement Aluminum/Fiberglass 36' | HYS-MX000747 faac 400 cbac This is a replacement 4L300

This is a replacement 4L300 V Belt (Q042)

Emergency command (opening/closing)

Reduction ratio: 1:1418

For use with various LiftMaster® Three Phase Gear-Reduced Commercial Door Operators

HySecurity Arm Replacement Aluminum/Fiberglass 36' | HYS-MX000747 faac 400 cbac This is a replacement 4L300HySecurity Arm Replacement Aluminum Fiberglass 36 ft. HYS MX000747 Rectangular aluminum fiberglass arm replacement, 36 ft. length Note: Arm only. Mounting hardware and 24 counterweights are not included. Additional counterweights are required if extra materials are attached to the arm. Note: This part is compatible with the HySecurity StrongArm operator.