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LiftMaster RBH electric garage door opener

RBH

Features

The LiftMaster^® model RBH is a jackshaft‑type operator used in commercial and industrial applications. Optimal for use with larger sectional doors with vertical or high lift or with rolling doors and grilles. It also includes a chain hoist with electric interlock for manual operation in an emergency. Made for intensive work, its rated duty cycle is maximum 25 cycles per hour and less than 90 cycles per day.

Jackshaft‑style operator
Voltage/phase:
- Single‑Phase: 115/230V
- Three-Phase: 208/230/460V or 575V
Available in ½, ¾ and 1 HP
Floor‑level disconnect and chain hoist with electrical interlock for hoist operation in an emergency
Timer‑to‑Close conveniently and confidently closes the commercial door automatically after a predetemined amount of time has elapsed
Mid‑stop enables partial opening of doors to a preprogrammed position for enery savings, time savings and convenience
Continuous‑duty high‑starting torque motor with instant reverse and overload protection. Capacitor start with single phase, removable without affecting limit switches

Adjustable friction clutch helps to protect door and operator from damage should the door meet an obstruction
Maximum run timer reverses or stops door if closing time exceeds expected time frame to limit damage to door and operator
Delay‑on‑reverse circuit prevents abrupt reversal of door, reducing wear on the door and operator system
3-button control station for OPEN/CLOSE/STOP functions with Maintenance Alert System (MAS)
Drive reduction with first stage heavy‑duty 5L V‑belt; second, third and fourth stages #48 chain; #50 output sprocket chain

Industrial ball bearings on 1 inch output shaft; heavy-duty oil‑filled bushings on reduction shafts
Factory installed heavy-duty electrical brake
Roller bearing modification helps to extend the life of the drive system. Consists of heavy‑duty roller bearings on all shafts
Construction: NEMA 1 rated electrical box
Door speed: 8‑9 inches (203‑229 mm) per second
Compliant with UL 325 standards
Warranty: 2 Years

Standard security systems

Your security, our priority!

Commercial Protector System^®

CPS‑U photo eyes are shipped with unit. They project an invisible light beam across the garage door opening and automatically reverse the door if anything interrupts the beam while the door is going down. Sensing technology will stop the door from closing if contact is made with a person or object. Alternate entrapment protection devices may be used or added, such as light curtains and optical edge systems.

Security+ 2.0^®

Security+ 2.0^® radio receiver is standard on-board with Logic 5.0 operators and virtually eliminates radio frequency interference. Accepts up to 90 1‑button or 30 3‑button remote controls plus up to 30 wireless keypads or an unlimited number of DIP switch remote controls

Emergency disconnect

Emergency Disconnect, disconnects door operator from door for manual lifting in an emergency

Warning

Garage doors and garage door openers can be dangerous if not installed and verified by a professional and not used properly. Children must be supervised by an adult when they are inside or in proximity of the garage.

Commercial Protector System^®

Security+ 2.0^®

Security+ 2.0^® radio receiver is standard on‑board with Logic 5.0 operators and virtually eliminates radio frequency interference. Accepts up to 90 1‑button or 30 3‑button remote controls plus up to 30 wireless keypads or an unlimited number of DIP switch remote controls