Manaras - OTH-A.00 Heavy-Duty Commercial Trolley Apartment Operator
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The OTH-A.00 is a low headroom apartment type garage door operator designed for use on industrial standard lift sectional doors with high cycling daily frequency
The operator is available with the new Electronic Control Board (BOARD 070) with or without the option of electrical control for MONITORED external entrapment protection devices (UL325-2010 compliant).
60Hz high starting torque, continuous-duty, single phase capacitor start or 3 phase motor, open drip proof, protected against overload. Also available with 50Hz motor 220V 1 phase and 380V 3 phase motor, consult inside sales.
First step in reduction 4L/A V-belt drive, additional step by #41 chain and sprockets. Input shaft is 5/8", supported by flanged cast iron pillow block bearings. Output shaft is 1", supported by ball bearings. Output shaft speed: 92 rpm for a door travel of 9"/s.
Friction type, positioned on input shaft, easily adjustable from outside.
Drive and Trolley Assembly:
#41 full roller chain drive. Dual, 12 gauge, pre-drilled galvanized tracks provided for
doors up to 12Ft in height standard. Additional track lengths are available (max. door height acceptable for the operator limit system is 30Ft). Track spacers 3/4" steel shaft. Trolley made of cast aluminum alloy with chain tension adjustment device.
Quick release disconnect arm for manual push-up operation.
All electrical components are in a Nema 1 enclosure. Hinged electrical enclosure
Rotary-type oil-impregnated steel cams, commercial grade switches. Limit shaft is
supported by self-lubricating bronze bushings for increased precision. Remains in time when there is a manual operation or after the motor has been removed.
Precise and quick one-handed adjustment of the limits.
Frame and control enclosure protected by baked on, long lasting enamel finish. All
shafts protected by yellow chromate coating.
Mounting(Low Headroom Design):
Ceiling-mounted with only 6.25" headroom clearance required below the tracks. For indoor use only.
Back Room: door height + 4'5" (1350 mm)
Head Room For Tracks: 5.625" (143 mm) above the highest point of door travel
For more details, please consult our Dimensions Drawing.
Approx. 71 Lbs - 32 Kg + tracks.