Technical Specifications; Mighty Mule 371W/372W Gate Opener - Nortek Security & Control Mighty Mule MM372W Installation Manual

• Low friction screw drive (linear actuator) rated for -5 ºF to +160 ºF (-20 ºC to +71 ºC).
• Opener length with push-pull tube fully retracted is 37.25", mounting point to mounting point. Maximum stroke is 17".
• Maximum opening arc of 110º. Approximate opening time (90º): 14 seconds, depending on weight of gate.
• The system is powered by a 12Vdc automotive or marine battery (not included).
• Battery charge is maintained by Mighty Mule transformer or optional Mighty Mule Solar Panels.
• The system uses 25 A Mini ATC blade-style fuses.
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.
• Adjustable auto-close timer (OFF, 3 to 120 seconds), and Dual Sense Technology Entrapment Protection.
• Accessory terminal block fully compatible with all Mighty Mule access controls.
• Audio entrapment alarm sounds if unit encounters an obstruction twice while opening or closing.
NOTE: Ball bearing hinges should be used on all gates weighing over 250 lb.
The Gate Capacity Chart below shows the recommended maximum gate length to weight. The minimum recommended gate length
is 5 ft.
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MM371W / MM372W Installation Instructions

Technical Specifications

MIGHTY MULE 371W/372W GATE OPENER

OPERATIONAL CAPACITY
Maximum Weight (lbs.)
550
500
450
400
350
Maximum Length (ft.)
8
10
12
14
16