Liftmaster MEGA ARM DC BBU BARRIER GATE OPERATOR
The LiftMaster MADCBB3 is a high-speed commercial barrier gate operator built for heavy traffic applications. It opens in just 2.5 seconds and supports up to 6,000 cycles per day with a durable 24VDC continuous-duty motor. Featuring battery backup, advanced traffic control with SAMS, and commercial-grade construction, it delivers reliable and efficient access control for parking and gated facilities.
LiftMaster MADCBB3 High-Traffic DC Barrier Gate Operator
The LiftMaster MADCBB3 Mega Arm is a high-traffic DC barrier gate operator engineered for demanding commercial applications such as parking facilities, gated access points, and industrial entryways. With a rapid opening speed of just 2.5 seconds, it ensures efficient traffic flow in high-volume environments.
Powered by a 24VDC continuous-duty motor with integrated battery backup, the MADCBB3 delivers reliable operation even during power outages. Built with a durable aluminum chassis and advanced internal components, it is designed for long-term performance in the toughest conditions.
Key Features
- High-speed operation with 2.5 second open and close time
- Handles up to 6,000 cycles per day for high-traffic applications
- Heavy-duty DC motor designed for demanding environments
- Smooth start and stop operation extends operator life
- Magnetic limit sensors designed for high-cycle precision
- Built-in surge suppression protects against lightning and power surges
- Battery backup ensures operation during power outages
- 10-year warranty on aluminum frame, 2-year parts warranty
Smart Features
- SAMS (Sequenced Access Management System) optimizes traffic flow with coordinated gate operation
- Multi-vehicle memory keeps arm open until all authorized vehicles pass
- Programmable auxiliary relay for easy accessory integration
- Compatible with LiftMaster access control and credentialed entry systems
Note: myQ® and connected access features require compatible LiftMaster access systems.
Safety & Security
- Fire department compliance allows automatic open on power loss or battery depletion
- Breakaway arm design minimizes damage and allows quick reset if impacted
- Anti-tailgate feature helps prevent unauthorized access
- Security+ 2.0® rolling code technology protects access control signals
- UL® 325 and UL 991 compliant for commercial safety standards
Compatible Arms (Sold Separately)
- MALED12 – 12 ft LED lighted barrier arm
- MALED17 – 17 ft LED lighted barrier arm (requires counterweight)
- MA024-10RDOT – 10 ft articulating arm
- 50-ALMARMDOT – 15 ft standard arm
Mechanical Specifications
- Motor: 24VDC / 800 RPM continuous-duty
- Horsepower Equivalent: 1/2 HP
- Gear System: 60:1 gear reduction in synthetic oil bath
- Chassis: Powder-coated 1/4" aluminum alloy
- Duty Rating: High-cycle (up to 6,000 cycles/day)
Power
- 120V standard (220V optional)
- Accessory Power: 24VDC 500 mA output
- Integrated battery backup system
Commercial-Grade Design
- UV-resistant polyethylene cover (MA) or full aluminum cabinet (MAT)
- Right- or left-hand installation flexibility
- Built-in 110V convenience outlet for accessories
- Universal controller with 8 inputs for expanded device integration
Performance
- Opening Speed: 2.5 seconds
- Closing Speed: 2.5 seconds
- Daily Cycles: Up to 6,000 cycles
- Max Arm Length: Up to 17 ft
Dimensions & Weight
- Height: 41.03"
- Width: 16.37"
- Depth: 13.50"
- Weight: 89 lbs (operator only, without arm)
Temperature Specifications
- -13°F to 140°F operating range
- Optional heater kits available for extreme cold environments
The LiftMaster MADCBB3 is a proven high-speed barrier solution that combines durability, intelligent traffic control, and advanced safety features—making it ideal for high-volume commercial access applications.