RSX Fire Door Operator

The RSX® Fire Door Operators are Factory Mutual (FM) approved for use in Fire Door assemblies in the United States and UL listed in the United States and Canada. These standard duty operators feature a 24-hour battery backup and secure mounting options to fit any application.



Front of hood or top of hood mount. Hoist models are left-hand or right-hand. RSX® Fire Door Operator mounts similar to a standard service operator reducing installation time.


Continuous duty motor available in ½, ¾ and 1 horsepower, single or three-phase.

Progressive Breaking

Advanced DC break system bring the door to a soft stop for less wear and tear

Advanced radio receiver system with auto seek frequency range

Quickly and easily learns up to 250 CodeDodger® transmitters. This system will automatically cycle between 315 and 390 frequencies. Can add and delete transmitters from the menu and easily identify which transmitters are operating the door.

Easy limit setting with LimitLock®

An electro/mechanical limit sensor that makes it easy to set and maintain limits.

Fire Door operator module

The FDO module controls fire door release functions, receives initiating device input and provides warning notification of an impending closure of door.

Easy installation and trouble-shooting with 16 character LCD display

Intelligent menu structure and expanded self-diagnostics including cycle counter functionality

Adjustable timed close feature

Standard feature on the main logic board can close door automatically. Timer can be set from zero seconds to five minutes through the LCD display.

Voltage freedom with Voltamatic®

One unit for single phase voltages (115/208/230V), one unit for three phase voltages (208/230/460V) and one unit for three phase 575V. Governor: Controls rate of door descent.


Controls rate of door descent.

Auto-tensioning SuperBelt®

Automatically adjusts itself to the correct tension.

FM approved

Indicates that the product will meet the stated conditions of performance, safety and quality for Fire Door Assemblies FM Class Number 4100.​

UL325 compliant

Requires the addition of monitored external entrapment devices prior to the operator working in momentary contact in the close direction.


Floor level auto-reset

No manual intervention is required to reset fire door operator after a fire alarm or drop test. Door may be motor operated normally upon reset of the fire alarm signal, and test key switch.

Sash chain release ready

Allows for sash chain release for jurisdictions that require a fusible link.

24 hour battery backup

Battery backup provides extra protection in the event of a power loss.


Operator can be configured for the fire door to automatically open after reset of the test key switch.

Timed delay on alarm

Operator includes a configurable time delay after alarm or test signal activation before dropping the door.

LCD configuration

Fire door and standard door functions are easily configured with built-in LCD display.

Included accessories

Operator comes with a horn strobe and test key switch, eliminating need to purchase these items separately.

Drive reduction

Primary reduction is SuperBelt®, an auto tension poly-V flex belt that does not require adjustment. Secondary reduction is by chain and sprocket.

Timed Close

Doors can be set to automatically close after a zero second to five minute delay.

Mechanical brake system

24V DC Disc Brake. Fewer mechanical parts for improved reliability.


Adjustable disc-type helps protect door and operator from major damage should the door meet an obstruction.

Cycle counter

LCD (liquid crystal display) clearly indicates the exact number of cycles logged for easy preventative maintenance and support.

On-board radio receiver

Can add radio functionality to every job with no additional cost for the receiver. Stores up to 250 CodeDodger® transmitters with dual frequency cycling.

Limited warranty

RSX® Fire Door operator features a 2-year or 20,000 cycle limited warranty. See installation manual for complete limitations and details.


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