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Liftmaster MEGA ARM DC Barrier Gate Operator
(MA)
Liftmaster® high-traffic DC powered barrier gate operators with Battery Backup keep traffic flowing and provide easy in and out access 24 hours a day. Rated for 6,000 cycles per day with an opening time of 2.5 seconds and constructed of corrosion resistant aluminum alloy, the Mega Arm/Mega Arm Tower are the ideal choice for high-traffic applications. The product’s Security+ 2.0® radio technology provides unparalleled reliability and quick, secure access. Optional LED Barrier Arm provides exceptional visibility 24 hours a day.
Performance
Battery Backup
safeguards your property by providing up to up to 900 cycles* when the power is down.
Breakaway Arm
can be easily reinstalled if arm is hit, quickly restoring traffic control.
Continuous Duty DC Motor
is powerful and features soft starting and stopping for quiet, efficient operation.
Heavy-Duty Drive System with Commercial Gearbox
provides reliable, continuous operation.
Magnetic Limit Sensors
have no moving parts and are designed for high-cycle applications, so there’s less wear and tear and you’re assured dependable operation day-in and day-out.
Sequenced Access Management
provides control between barrier and slide/swing gate operators to maximize traffic flow.
K1 Relay
provides output signals to activate other accessories or operators during open/close cycles.
Safety and Security
Security+ 2.0 Patented Multi-Frequency Secure Radio Technology
virtually eliminates interference and gives you quick and secure access with enhanced range and performance.
Fire Department Compliant
selectable settings allow gate to auto open upon loss of AC power or battery depletion.
Anti-Tailgate Feature
prevents unauthorized access to your property.
Built-in Surge Suppression
protects against high-voltage spikes and surges.
Features
Dual-Gate Operation
Works in conjunction with another barrier gate operator.
Built-In 110V Convenience Outlet
Simplifies adding/powering up accessory devices. Save the expense of having to add an extra outlet.
Universal Controller With 8 Inputs
Allows for the connection of a full range of optional external devices.
Right or Left Handed Operation
Provides flexibility to fit your application and ease of installation.
Slip Clutch Option
Allows arm to be manually pushed open without damaging the shear pin. Arm automatically resets to normal closed position upon receiving activation.
850LM Radio Receiver Included
Stores up to 90 remote controls.
Warranty
Two years parts. Ten years frame.
Specifications
Operator Speed
2.5 seconds to open or close
Power
120V / 220V applications
Accessory Power
24VDC 500 mA
Operator Weight
(without arm)
MADCBB3 – 89 lbs.
MATDCBB3 – 113 lbs.
UL Listed
UL 325 & UL 991 – Class I, II, III, IV
Construction
Gear Reduction
60:1 reducer in synthetic oil bath
Motor
1/2 HP equivalent Continuous-duty 24VDC / 800 RPM
Chassis
Powder coated 1/4 in. aluminum alloy
Cover
MA – UV-resistant polyethylene MAT – Full aluminum cabinet
Recommended Capacities
HP
MAX ARM LENGTH (ft.)
CYCLES/DAY
1/2
12ft. & 17ft. Aluminum Arm
14ft. Soft-Padded arm.
6,000
LiftMaster® gate operators comply with UL 325 standards. External entrapment devices must be added to meet UL 325 standards. Your installer will recommend suitable entrapment devices such as photoelectric sensors or edge sensors.
Call for Pricing
Product Guide
Installation Manual
LED Barrier Arm Specifications
Arm Material
Aluminum
Operating Voltage
12VDC
Lamp Type
LED 3528 IP68 Silica gel filled
Color
Red/White
Power
14.4 W/m
Operating Temperature
-13°F (-25°C) to 140°F (60°C)
UL Listed
UL 325 & UL 991 – Class I, II, III, IV
Warranty
Six month limited.
MALED12
Arm
12 ft. x 3 in. x 2 1/4 in., 17 lbs.
(10 ft. 9-3/4 in. installed)
Contents
(1) 12 ft. Arm with LED
(1) Installation Kit
MALED17
Arm
17 ft. x 3 in. x 2 1/4 in., 25 lbs.
(14 ft. installed)
Requires Counterweight (MALEDCW)
Contents
(1) 17 ft. Arm with LED
(1) Installation Kit
MALEDCW
Counterweight
14 in. x 2 3/4 in. x 2 1/8 in., 11 lbs.
Additional Arm Accessories***
White Arm with:
Yellow and Black Stripes
Red and White Retro-Reflectorized DOT Tape
Yellow Padding
Articulating with Yellow and Black Stripes
Arm Length
Aluminum Arm
Aluminum Arm
Aluminum Arm
PVC Arm
9 ft.
-
-
-
MA034‡ (cut to length)
10 ft.
-
-
-
MA024-10 (cut to length)
12 ft.
MA024 (10 ft. 9-3/4 in. installed)
MA024RDOT (10 ft. 9-3/4 in. installed)
MA025 (N/A)
-
14 ft.
-
-
MA028† (N/A)
-
17 ft.
MA116*** (14 ft. installed)
MA116RDOT*** (14 ft. installed)
-
-
*Basic set up with remote controls programmed with a 12 ft. Barrier Arm. Does not include power draw from added accessories. LiftMaster® low power draw accessories recommended to extend cycles on Battery Backup
**All Arms shipped as single piece. Installer cuts down to meet site requirements.
***Arm requires counterweight (MA117)
†Requires collar adaptor (MA031)
‡Requires Hardware kit
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