CONTROL ACCESS UNITS

MODEL 50400

Pass Door Switch
Plunger type switch to disable operator control circuit whenever pass door (man-door) is not fully closed. Requires coil cord or take-up reel. May be used with all LiftMaster industrial operators.

MODEL 50401

Rolling Door Interlock Switch
NEMA 1 switch is engaged by rolling door lock mechanism and disables operator control circuit when door is locked, therby preventing electrical operation of door when locked. Mounts at bottom of door guide, requires 2-wire connection to operator. May be used with all LiftMaster industrial operators on rolling doors.

MODEL 50402

Timer Defeat Switch
Toggle switch to allow automatic close timer to be manually disabled. May be used with all LiftMaster industrial operators with type T, T1 or T2 control wiring. Not for use with the Solid State Logic Control Board (L). On logic board units, the time can be defeated by pressing the stop button.

MODEL 50450

NEMA Sectional Door Interlock Switch
NEMA 4 switch is engaged by sectional door lock mechanism and disables operator control circuit when door is locked, therby preventing electrical operation of door when locked. Mounts next to door lock, requires 2-wire connection to operator. May be used with all LiftMaster industrial operators on sectional doors.

MODEL 26DGI16

7-Day Digital Timer, 24V
Used to automatically open or close a door at pre-programmed times. Includes manual override and battery back-up. Not for use with Solid State Logic Control Board (L).

WARNING: Automatic door operation can cause serious injury or death. Do not use this device without entrapment protection equipment, audible/visible warning devices, clearly posted warning signs, and an emergency STOP button near the door.


HARDWARE

MODEL 1A3982

Operator Cover for MH, H and GH
For wall mounted operators 31″ L x 19″ W x 18″ D, assembly required. Will cover LiftMaster Model MH, H and GH operators.

MODEL 716023

Chain Tensioner, 1″

MODEL 716125

Chain Tensioner 1 1/4″

MOUNTING

MODEL 1A4324

Hood Angle Mounting Steel Bracket
Heavy-gauge steel bracket. Used for vertical or horizontal mount and either front of coil or top of coil mount. May be welded. For use with LiftMaster Model MGJ, GH, J and H operators only. (also see EZ Mount description).

NOTE: Cannot be used with Model GH300.


MODEL 1A4324EZ

Steel Hood EZ Mount Bracket
Heavy-gauge steel bracket with EZ mount adapter plate, mounting bolts, nuts and washers. Adapter plate holds mounting bolts in place for ease of mounting.

MODEL 71-EXTBKT41

Extension Bracket

MODEL 089098

Angle Mounting Bracket
Heavy 1/2 inch thick cast iron angle bracket used four mounting side-mount operators on the end bracket of a rolling door or grille. May be used for vertical or horizontal mount and either front of coil or top of coil mount.

Curved slots in bracket allow for tensioning of chain drive. Right/left interchangeable. Operator mounting holes match up with mounting dimensions of LiftMaster Model J, MGJ, H and GH operators (also see EZ Mount description)

NOTE: Cannot be used with model GH 300.


MODEL 109095

Mounting Bracket for MJ, MH
Heavy-gauge steel bracket may be used for vertical or horizontal mount and either front of coil or top of coil mount. May be welded. For use with Model MJ and MH operators.

MODEL 109099

Flat Wall Plate Mounting Bracket
Heavy 1/2 inch steel plat bracket used for wall mounting of side-mount operators. Slots in bracket allow for tensioning of drive chain. Mounting studs match up with mounting holes of LiftMaster Model J, MGJ, H and GH operators.

MODEL 1012360

Universal Hood Angle Mounting Bracket
Heavy-gauge steel bracket. Used for vertical or horizontal mount on either front or top of coil. Has door mounting pattern compatible with many OEM manufacturers. May be welded. For use with Model MJ, MH, J and H operators only.

MODEL 1090951

Angle Mounting Bracket for LGJ
Heavy-gauge steel bracket. May be welded. For use with Model LGJ.