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 easy operation in the event of a power failure. This operator is powered by a ½ HP, single-phase, 115V intermittent-duty motor, offering instant reverse, an internal thermal overload reset, and a durable baked-on enamel finish for long-term corrosion protection.

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 doors, and aluminum grilles

Duty Cycle & Usage:

• Duty Rating:

  • Up to 14 cycles per hour

  • Max 50 cycles per day

• Application Type:

  • Commercial and industrial use

  • Small to medium doors and grilles

Approximate Door Compatibility by Door Type & Material (sq. ft.):

Ideal For:

• Commercial warehouses

• Municipal garages

• Industrial facilities

• Multi-tenant buildings

• Light-duty manufacturing bays

The Manaras Opera-MJ delivers a reliable, secure, and configurable solution for commercial door automation. With its manual override, instant-reverse motor, and rugged build, it’s an excellent choice for maintaining uptime in medium-duty applications.