Manaras OTH Heavy-Duty Commercial Trolley Operator

The Manaras OTH Heavy-Duty Commercial Trolley Operator is designed for use in industrial settings. It can lift and close standard sectional doors with ease and has a low headroom design that's ideal for small spaces. The ceiling-mounted trolley operator comes with a 3-button remote that's color coded for ease of use. The operator is available with the new style of electronic control board that is UL325-2010 compliant.

The Manaras OTH Heavy-Duty Commercial Trolley Operator from North Shore Commercial Door comes with a variety of standard features including a friction type clutch that is positioned on the input shaft for easy adjustments. All electrical components of the operator are enclosed in a Nema 1 approved enclosure for safety and are accessible through a hinged cover. The operator is able to be manually operated in the event of a power outage.

Product Highlights:

• Part Number: OTH
• 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 5L/B V-belt drive, additional step by #41 chain and sprockets. Input shaft is 5/8", supported by precision ball bearings. Output shaft is 1", supported by ball bearings. Output shaft speed: 120 rpm for a door travel of 12"/s
• #48 (410) full roller chain drive on 1/2 HP and #41 full roller chain drive on 3/4, 1 HP. 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
• Friction type, positioned on input shaft, easily adjustable from outside
• Quick release disconnect arm for manual push-up operation
• All electrical components are in a Nema 1 enclosure. Hinged electrical enclosure cover
• 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
• Accu-cam® Feature: 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
• Ceiling-mounted with only 6.25" headroom clearance required below the tracks
• Dimensions: 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
• Shipping Weight: Approx. 71 Lbs - 32 Kg + tracks
• Warranty: 2 Years, per section 6 of our Terms and Conditions of Sale

Technical Information: (OTH)

• Supply Voltage: 115, 230 Vac single-phase, 208, 460, 575 Vac three-phase
• Control Voltage: 24 Vac class 2 transformer, 2 amp fuse type ACG
• Motor: Continuous duty ½, ¾, 1 horsepower
• Operator Output Speed: 12”/second
• Net Weight (Operator only): 71 Lbs. (33 Kg) for OTBH
• Standard Wiring Type: C2 (momentary contact to open/stop and constant-pressure-to-close)
• Application: Heavy duty for standard lift sectional doors
• Duty:25 cycles/hour or 80 cycles/day maximum

Maximum Area in Square Feet (general guideline)

Sectional Doors
HP	Steel 18 ga ins.	Steel 18 ga 20 ga ins.	Wood Steel 20 ga, 22 & 24 ga ins	Alu. Steel 22 & 24 ga	Fiber Glass
1/2	196	245	314	343	392
3/4	270	319	441	490	549
1	294	392	490	564	613

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