MH Medium-Duty Logic Jackshaft Operator

LiftMaster’s ® Custom Solutions are integrated packages, assuring seamless integration of a motorized Commercial Door System. The combination of advanced technology, features and accessories provided by LiftMaster simplifies the process of determining the best solution to meet your specific automatic door operator application.

Ideal for increased door weight and frequency of cycles, LiftMaster medium-duty commercial door operators make a strong addition to any facility.

• For use on smaller, lighter commercial doors with mid-range duty cycle requirements.
• Rated duty cycle: Maximum 12 cycles per hour; Less than 50 cycles per day.
• Wall mount for high or vertical lift sectional doors or small rolling doors and grilles.
• Chain hoist with electric interlock for manual operation in an emergency.

FEATURES

Business Safety and Security

Security+® - Built-in 3-Channel Security+ Receiver allows you to learn/program up to 20 LiftMaster 315 MHz remote controls.

Safety Standards - Meets UL 325 Safety Standards.

Commercial Safety Sensors - Protect people and vehicles with safety sensors and accessories that stop the door from closing on obstructions.

Timer to Close - Integrated timer-to-close programmable from 5 to 60 seconds in 5-second increments. Allows for timed automatic door closure after the door reaches the full open position.

Commercial Power

115 Volts - 1/2 HP, 115V single-phase motor

NEC Class - 24V NEC Class 2 control circuit

Commercial Accessories

Single Button Control - Single button control provides an additional input for single-button control fuctionality. Required for installation of any external radio receiver.

Auxilliary Limit Switches - Auxiliary limit switches provide additional limit switches with dry form C contacts at the open and closed door positions to control lights, heaters and dock levelers.

Interlock Switch - Interlock switch disables the operator control circuit when door is locked, preventing damage to the door and operator.