Manaras OPERA GH (OGH) - Heavy Duty Hoist Operator

OPERA-GH Gear Head Operator – Heavy-Duty with Hoist

The OPERA-GH is a heavy-duty industrial worm gear operator designed for standard lift, high lift, and vertical lift sectional doors, as well as rolling doors and grilles. Engineered for durability and high-cycle performance, this operator supports up to 25 cycles per hour or over 80 cycles per day, making it ideal for demanding commercial and industrial settings.

Key Features

• Part Number: OPERA-GH

• Motor Options: ½, ¾, 1, 1½, or 2 HP (2 HP available in 3-phase only)

• Drive System:

  • 45:1 worm gear in oil bath

  • Output shaft: 1" w/ ¼" keyway (up to 1 HP); 1¼" w/ ¼" keyway (above 1 HP)

  • #50 roller chain with 50B12 sprocket (6–12 in/sec travel)

• Manual Operation:

  • Hoist-a-Matic® self-engaging chain hoist

  • Electrical interlock disables motor when hoist is engaged

• Brake Type: Electrically activated drum-band solenoid brake

• Limit System:

  • Rotary-type with oil-impregnated steel cams

  • Self-lubricating bushings maintain timing even after manual operation

• Mounting Options:

  • Wall, hood (top/front), or shelf

  • Field-reversible hoist side (right is standard)

• Enclosure:

  • NEMA 1 electrical enclosure with hinged cover

  • Control components protected with enamel finish and chromate coating

• Electronic Control Board (optional):

  • Compatible with BOARD 070

  • Available with or without monitored external entrapment protection (UL 325-2010 compliant)

• Limit Adjustment: Accu-Cam for one-handed precision

• Power Supply:

  • Single-phase: 115V, 230V

  • Three-phase: 208V, 460V, 575V

• Control Voltage: 24VAC via Class 2 transformer, 2A fuse

• Standard Wiring Type: C2 (momentary-to-open, constant-pressure-to-close)

• Net Weight: 122 lbs (55 kg)

• Duty Cycle: 25 cycles/hour or >80 cycles/day

• Complies with all federal safety guidelines

Application Types

• Sectional doors (standard, high, and vertical lift)

• Rolling steel doors and grilles

• Industrial doors requiring hoist access and UL 325 compliance options

Mounting Configurations

• Wall mounted

• Vertical front-of-hood mounted

• Horizontal top-of-hood mounted

• Shelf mount

• Wall mounting bracket recommended

Performance Guidelines by Door Type & Horsepower