RHX Explosion Proof

The RHX® Explosion-Proof commercial operators are Factory Mutual (FM) approved for use in hazardous locations in the United States and Canada.  These heavy duty operators feature a wide variety of mounting options for sectional and rolling steel doors and provide reliable operation for the most stringent applications.

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Mounting

A wide variety of mounting options are available to fit most any application including:

Sectional Doors: Standard, side mount, and dual trolley applications. All models come standard with a dynamic brake system. Side-mount and center-mount chain couple or direct couple to the door shaft with hoist. Hoist models are left or right hand adjustable in the field.

Rolling Steel Doors: With hoist, front of hood, top of hood, bench mount, and wall-mount applications. Hoist models are left or right hand adjustable in the field.

Features

​​Motor:

Motors rated for use in hazardous locations. Hoist unit motors available in ½ horsepower single phase, 1 horsepower three phase and 3 horsepower three phase. Trolley models available in ½ horsepower single phase, and 1 horsepower three phase configurations.

True heavy duty gear head design:

This system’s primary drive reduction is via worm gear running in oil bath, which provides reliable operation.

Voltage freedom:

Single phase models provide for 115/208/230V in one unit, and 208/230/460V three phase in another unit.

UL325-2010-Compliant momentary contact close:

Requires addition of monitored external entrapment device to operate with momentary contact in the close direction.

On-Board Open/Close/Stop Switch:

Allows door operation from control panel during installation and service.

Diagnostic LEDs:

Visual indicators allow for easy configuration and service of operator.

Limit Overrun:

Provides overrun adjustment from the lower limit to fine tune the door seal to the floor.

Timed Close:

Enables door to automatically close after user-defined time delay between two seconds to four minutes.

​​Agency Approval​:

RHX® Explosion-Proof operators are Factory Mutual approved for use in hazardous areas in the United States and Canada.

FM approved applications:

  • Class I Division I Group D
  • Class II Division I Groups F and G

Drive reduction:

Primary reduction is worm gear running in oil bath. Secondary reduction is by chain and sprocket.

Direct coupling (optional on sectional doors only):

Provides fast, easy installation and prevents chain slacking. Available as an optional kit for sectional side/center mount and hoist units. For sectional, options include:
  • 14 RPM kit
  • 26 RPM kit

Maximum Run Timer:

Operator shuts down automatically when running time exceeds the time required to run between the limits plus five seconds.

Clutch (standard with trolley; optional with hoist):

Adjustable disc-type helps protect door and operator from major damage should the door meet an obstruction. (Included in 14 and 26 RPM direct couple mounting kits).

Cycle counter:

Indicates the exact number of cycles logged for easy maintenance support.

Adjustable shaft:

Output shaft of the optional direct coupling kits can be moved from one side to the other, providing flexible installation options.

Braking:

All models come standard with dynamic braking.

Trolley rail assembly:

High strength 2 inch structural angle for added strength and durability.

Limited Warranty:

RHX® operator features a 2-year limited warranty. See installation manual for complete limitations and details.

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