• Two industrial devices: on the left, an RHX mechanical motor-driven assembly with labels and a visible chain; on the right, an explosion-proof operator housed in a rectangular, sealed metal enclosure with bolts and warning labels.
  • A closed gray metal roll-up garage door with rectangular ventilation slits in the middle, installed indoors. An Overhead Door sign sits above, and an RHX Explosion-Proof Operator provides added safety. A fire extinguisher is on the right wall.
  • A gray metal roll-up overhead door with the words Overhead Door in red on top, installed in a building with a visible RHX Explosion-Proof Operator and control box mounted on the right side of the door.
  • A RHX explosion-proof operator is mounted on a gray wall with horizontal ridges; to the right, there is a square metal panel with visible bolts and a red label. Light shines through horizontal slits behind both objects.

RHX® Explosion Proof Operator

Signature® Carriage

Heavy Duty

Our commercial operators are manufactured to meet the performance requirements of our commercial and industrial doors.

DOORDREAMER™: VIEW THIS DOOR ON YOUR HOME

Overview of the RHX® Explosion Proof Operator

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. ​

Commercial Garage Door Openers

Overhead Door® ​​Commercial door operators, provide an integrated door system that comes with our guarantee for reliable performance when you need it most — every day. Built with convenience in mind, our automatic door operators also make it safer and easier to perform daily job duties so you can improve efficiency and close the door on your competition.

​​Overhead Door® automatic door operators are manufactured to meet the performance requirements of our commercial and industrial doors, offering precise control of y​our door system for years of trouble-free operation. To improve safety and enhance the life of your door and motor, the industry’s guidelines for quality assurance recommend a single manufacturer for both door and operator. We are the only manufacturer that offers a full line of commercial and industrial doors and operators specifically designed for integral applications. We offer the industry’s broadest line of electric, automatic door operators to suit new construction and retrofit applications, as well as unusual or special requirements. Overhead Door® commercial operators are UL 325 2010 compliant.​​​​ 

Our Commercial Operator classification specifications are listed out below:

  • Heavy Duty Operators: Our RHX operators are heavy duty and operate up to 60 cycles per hour under a large constant load.
  • Standard Duty Operators: Our RSX operators are standard duty and operate up to 60 cycles per hour during peak usage periods only.
  • Medium Duty Operators: Our RMZ operators are medium duty and operate at 15 cycles per hour.
  • Light Duty Operators: Our CDX operators are light duty and operate at 4 cycles per hour.

Features

Product Specifications

MotorMotors rated for use in hazardous locations.
BrakingAll models come standard with dynamic braking.​​​​
True heavy duty gear head designThis system’s primary drive reduction is via worm gear running in oil bath, which provides reliable operation.​
Voltage freedomSingle phase models provide for 115/208/230V in one unit, and 208/230/460V three phase in another unit.
UL325-2010-Compliant momentary contact closeRequires addition of monitored external entrapment device to operate with momentary contact in the close direction.
On-Board Open/Close/Stop SwitchAllows door operation from control panel during installation and service.
Diagnostic LEDsVisual indicators allow for easy configuration and service of operator.
Limit OverrunProvides overrun adjustment from the lower limit to fine tune the door seal to the floor.
Timed CloseEnables door to automatically close after user-defined time delay between two seconds to four minutes.​

Advantages

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
Intrinsically Safe

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.

MotorHazardous area rated motor standard. 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.
Drive reductionPrimary 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
Timed CloseDoors can be set to automatically close after an elapsed timer expires. Delay can be adjusted from two seconds to four minutes.
Maximum Run TimerOperator 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 counterIndicates the exact number of cycles logged for easy maintenance support.
Adjustable shaftOutput shaft of the optional direct coupling kits can be moved from one side to the other, providing flexible installation options.
Trolley rail assemblyHigh strength 2 inch structural angle for added strength and durability.
Limited WarrantyRHX® operator features a 2-year limited warranty. See installation manual for complete limitations and details.​​

Documents

Explore the full specifications of our products. Our technical data sheets provide comprehensive information on dimensions, assembly methods, and construction requirements. Make well-informed decisions by planning your investment down to the last detail.

Specifications

Commercial Operators Full Line Specs

Product Literature

RHX Explosion Proof Operator Brochure

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