Manaras OPERA MJ (OMJ)

The Manaras Opera MJ is a medium-duty commercial jackshaft operator designed for high-lift and vertical-lift sectional doors, rolling steel doors, and grilles. With multiple mounting options—including wall-mounted, shelf-mounted, or side-mounted—this versatile operator fits a wide range of commercial applications where space and reliability are critical.

Equipped with Hoist-A-Matic® functionality, the Opera MJ includes a built-in manual chain hoist for operation during a power outage. Powered by a ½ HP, single-phase, 115V intermittent-duty motor, it features instant reverse, an internal thermal overload reset, and a durable baked-on enamel finish for long-term corrosion resistance.

Key Features

• Model: Opera-MJ
• Motor: ½ HP, 115V, single-phase, intermittent-duty
• Mounting Options: Wall-mounted, shelf-mounted, or mounted on either side of the door
• Manual Operation: Hoist-A-Matic® chain hoist for emergency use
• Reversing Function: Instant reverse for added safety
• Thermal Protection: Automatic reset overload protector
• Finish: Baked-on enamel for corrosion resistance
• Control Voltage: 24V AC via Class 2 transformer with 2A fuse
• Output Speed: 39 RPM
• Weight: 60 lbs. (27 kg)

Control Logic

• Wiring Type: C2 (momentary contact to open/stop, constant pressure to close)
• Compatible with logic-based control panels
• Designed for sectional doors, rolling steel doors, and aluminum grilles

Duty Cycle & Usage

• Duty Rating:
  • Up to 14 cycles per hour
  • Maximum 50 cycles per day
• Application Type:
  • Commercial and industrial use
  • Small- to medium-sized doors and grilles

Approximate Door Compatibility (½ HP)

Ideal Applications

• Commercial warehouses
• Municipal garages
• Industrial facilities
• Multi-tenant buildings
• Light-duty manufacturing bays