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Technical Specifications
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Low friction screw drive (linear actuator) rated for -5 °F to +160 °F (-20 °C to +71 °C).
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Powered by a 12 V motor with integral case hardened steel gear reducer. Motor speed reduced to 260 rpm. Generates
520 inch lb. of torque at 12 V.
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Maximum opening arc of 110°. Approximate opening time (90°): 18 seconds, depending on weight of gate.
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The system is powered by a 12 Vdc automotive, lawn tractor or marine battery (required but not included).
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Battery charge is 120Vac to 16Vac output through the control board] or by optional Solar Panels; the panel should
generate minimum of 10 Watts (600 mA). A diode on the control board prevents battery discharge. IMPORTANT:
Never use both transformer and solar panel— this will damage the battery and control board.
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One (1) blade-style fuse is rated for 15A.
NOTE: The transformer should not be directly connected to any battery. Do not replace fuses with
higher ampere rated fuses; doing so will void your warranty and may damage your control board.
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Microprocessor-based control board is set for dual leaf, pull-to-open gate installations. Jumper can be removed to
accommodate an optional kit for push-to-open gates.
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Control board has temperature compensated circuits.
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Auto-memorization of digital transmitter code.
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Opener length with push-pull tube fully retracted is 26
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Adjustable auto-close timer (OFF to 3–120 seconds), and Dual Sense Technology™ stall force).
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Power terminal block accommodates a transformer or solar panels.
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Accessory terminal block fully compatible with all Mighty Mule access controls.
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Control board allows connection of edge sensors and photoelectric sensors.
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Audio entrapment alarm sounds if unit encounters an obstruction twice while opening or closing.
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Maximum gate size: 300 lbs., 12' long.
NOTE: BALL BEARING HINGES SHOULD BE USED ON ALL GATES WEIGHING OVER 250 LB.
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MM272 Installation Instructions
MIGHTY MULE MM272 DUAL GATE OPENER
OPERATIONAL CAPACITY
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DRIVE
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POWER
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CONTROL
3
/
", mounting point to mounting point. Maximum stroke is 13".
8
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