Openers

RHX Explosion Proof

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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.

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.

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