RHX® Explosion-Proof Operator Heavy Duty

Product Specifications

Braking All models come standard with dynamic braking.​​​​

True heavy-duty gear head design:  This system’s primary drive reduction is via worm gear running in an 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.​

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

Product Literature

RHX Explosion Proof Operator Brochure

Specifications

Commercial Operators Full Line Specs

Commercial Operators Full Line Spec

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.

Motor:  Hazardous 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 reduction:

• Primary reduction is worm gear runninare g in oil bath.
• Secondary reduction is by chain and sprocket.

Dir,ect 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 Close: Doors can be set to automatically close after an elapsed timer expires. Delay can be adjusted from two seconds to four minutes.

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