LiftMaster MHS Rolling Sheet Door Operator
LiftMaster MHS Rolling Sheet Door Operator is specifically designed for rolling sheet doors. It features an adjustable friction clutch to protect the door, a high-starting torque motor with built-in overload protection, and an emergency chain hoist with electric interlock for safe manual operation. An emergency disconnect chain ensures easy access during power outages..
BY:
Performance
- Operates on 115V single-phase power
- Standard Open / Close / Stop three-button control station included
- One-, two-, and three-button control options available
- Maintenance Alert System notifies when routine service is required
- Durable powder-coated NEMA Type 1 electrical box for most applications
- Heavy-duty, oil-filled bushings for smooth, reliable operation
- Mounts on the left or right side of the door
- Wall-mounted design connects to the door shaft using chain and sprocket
- No rails required for installation
- Electromechanical limit system allows easy setup and accurate adjustment, even after power failure
- Programmable Time-to-Close in 1-second or 15-second increments
- Includes a LiftMaster two-year warranty
Safety & Security
- Meets all UL 325 safety requirements
- Patented Security+® radio technology supports up to 20 remote controls
- Allows unlimited DIP switch remote controls
- Adjustable friction clutch helps protect the door and operator if an obstruction is encountered
- Signals the door to stop or reverse if closing time exceeds maximum travel limits
- Helps prevent damage to both the door and the door operator
- Easily accessible disconnect allows emergency manual operation
- Floor-level chain hoist with electrical interlock for safe manual use
- Right- or left-hand chain hoist specification may be required
- CPS-U Monitored Commercial Protector System for enhanced safety
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What doors is the LiftMaster MHS designed for?
The LiftMaster MHS is specifically designed for rolling sheet doors and is commonly used in commercial and industrial facilities that require dependable, controlled door operation.
What power does the MHS operator use?
The operator runs on 115V single-phase power, making it suitable for many standard commercial electrical setups.
Does the MHS support manual operation during power outages?
Yes. It includes a floor-level emergency chain hoist with an electrical interlock, along with an accessible disconnect, allowing safe manual operation when power is unavailable.
What safety features are included?
The MHS meets UL 325 safety requirements and includes an adjustable friction clutch, CPS-U monitored safety system, and maximum run-time protection to help prevent damage or injury.
How is the door controlled?
It comes standard with a three-button Open/Close/Stop control station and supports one-, two-, and three-button control options, as well as programmable Timer-to-Close settings.
Does it support remote controls?
Yes. Patented Security+® radio technology supports up to 20 remote controls and an unlimited number of DIP switch remotes for flexible access control.
What warranty is included?
The LiftMaster MHS Rolling Sheet Door Operator is backed by a two-year manufacturer warranty, ensuring long-term reliability and peace of mind.