Jackshaft type (wall mount) residential/light commercial door operator, 15 cycles per hour maximum for overhead type doors with standard lift, high lift, or vertical lift hardware, also for rolling grills.

Both models have an easy emergency manual operation using an electro-mechanical floor lever disconnect, which allows a person to disengage the electric operator from the door and operate the chain host mechanism to open or close door in the event of power failure.

Limit switches will not go out of adjustment or synchronization when door is used manually by the chain hoist.

SKU LDJ / LDJ-3 Categories , Tag

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