Get the LiftMaster jackshaft door operator w/ CPS for use with your rolling doors or grilles. This advanced product includes a number of great features, including internal door lock sensors which detect if the door lock is engaged to prevent jamming and damage to your doors. Use this LiftMaster model L4 circuit board to eliminate the need for wiring guide-mounted interlocks with your garage doors. To learn more about this LiftMaster product, see our "Questions" app below.
• UL325-2010 monitored entrapment capability complete with photo sensors
• Final inspection includes UL-listed and UL-labeled compliance
• Solid-state logic 4.0 (L4) circuit board
• Floor-level chain hoist with electrical interlock for emergency door operation
• Three-button control station
• Heavy-duty 5L V-belt
• Protects door and operator with an adjustable friction clutch