Alpine Redi-Reset® Motor Operators

Efficient Automatic Releasing Fire Door Closing Systems

Redi-Reset Logo

Redi-Reset Fire Door Closing Motor Operators

  • No need to reset spring tension or re-engage the electric motor operator after testing these fire door motor operators
  • Normal or automatic speed is consistently controlled on the motor operated door for safer exiting
  • The MM Redi-Reset fire door operator uses highly efficient planetary gearing which can be driven backward or forwards.
  • A centrifugal governor and constant hold break upon release and automatically allows the fire door motor operators to close in the event of: 
    > Power Failure | Fire Alarm Signal | Break of Fusible Link | Activation of True-Test Panel

Our Redi-Reset electric motor operator system is built into our Auto Fire-Tite® and Fire-Shut® doors. The system never needs to be mechanically reset and features easy system testing at the floor level. The MM fire door operator utilized highly efficient planetary gearing. It boasts UL listed thermal overload protection, electric brake and rotary limit switches, transformer with 24 volt secondary. All components of the motor operated door are pre-wired to terminal block. Fire door motoroperators are standard configured as non-fail safe (MMN). Please note that fail safe (MMF) is optional.

  • Automatic resetting of the closing system will save building owners testing and resetting costs.
  • Fire Door Listing, UL Classified 4 HR, 3 HR, 1-1/2 HR, 1 HR and 3/4 HR labels and Factory Mutual Approval. (See FM Approval Guide). Also, the coiling fire doors can be designed to meet specific PSF wind load requirements.
  • Horsepower of the Motor Operated Door: 1/3, 1/2, 3/4, 1-1/2, 2, 3, 5
  • Voltage of Electric Motor Operator: 110, 220/230, 460

Redi-Reset Motor Operator Models:

Redi-Reset – MC (Hand Chain)

  • Suitable for applications up to 180 square feet.
  • Closes by gravity in event of fire or smoke alarm when integrated with fire alarm systems.
  • Operated up by chain, down by cable. This egress door operator is compatible with standard fusible links, cable, sash chain, and electronic release devices. Visit Release Devices tab above for additional info.
  • FM Approved and UL Classified.
  • > View Redi-Reset MC Chain Operator

Redi-Reset – GC (Hand Chain)

  • Suitable for applications up to 122 square feet.
  • Closes by gravity in event of fire or smoke alarm when integrated with fire alarm systems. Operated up/down by hand chain. Compatible with standard fusible links, cable, sash chain, and electronic release devices. Visit Release Devices tab above for additional info.
  • UL Classified.
    > View Redi-Reset GC Operator Details  

Redi-Reset – MK (Hand Crank)

  • Suitable for applications up to 180 square feet.
  • Closes by gravity in event of fire or smoke alarm when integrated with fire alarm systems. Operated up by hand crank, down by cable. Compatible with standard fusible links, cable, sash chain, and electronic release devices. See Visit Release Devices tab above for additional info.
  • FM Approved and UL Classified.
    > View Redi-Reset – MK Operator Details

Redi-Reset – FDCL (Fail-Safe Electronic)

  • Suitable for applications up to 150 square feet.
  • Maximum 1/2 HP.
  • Wired to heat sensors.
  • 72 hour battery backup system. Low battery indicator light. Fail-Safe if battery backup fails door closes automatically. Low battery indicator light. Key switch for easy self testing or for periodic testing by Fire Marshalls. Electric sensing edges are required for the operators for fail-safe fire doors.
  • FM Approved and UL Classified.
    > View Redi-Reset – FDCL operator Details

Redi-Reset – FDC (Fail-Safe Electronic)

  • Suitable for applications up to 350 square feet.
  • Maximum 1 HP.
  • Wired to heat sensors.
  • 72 hour battery backup system. Low battery indicator light. Key switch for easy self testing or for periodic testing by Fire Marshalls. Electric sensing edges are required for this egress door operator.
  • FM Approved and UL Classified.
    > View Redi-Reset – FDC Operator Details

Redi-Reset – FS (Fail-Safe Electronic)

  • Suitable for applications up to 1200 square feet.
  • Maximum 5 HP.
  • Fail-Safe – will close automatically during power outage.
  • The operators for fail-safe fire doors are compatible with standard fusible links, cable, sash chain, and electronic release devices. Visit Release Devices tab above for automatic releasing doors. Electric sensing edges are required.
  • FM Approved and UL Classified.
    > View Redi-Reset – FS Operator Details

Redi-Reset – Model NF (Non Fail-Safe Electronic)

  • Suitable for applications up to 1200 square feet.
  • Maximum 5 HP. Auxilary emergency hand chain up to 2 HP only. Non Fail-Safe – will not close during power outage. Compatible with standard fusible links, cable, sash chain, and electronic release devices. Visit Release Devices tab above for additional info. Electric sensing edges are required for this egress door operator.
  • FM Approved and UL Classified.
    > View Redi-Reset – Model NF Operator Details
Obstruction Sensing Edge

Obstruction Sensing Edge (Optional)

  • The MT21 pressure sensitive electric edge is custom manufactured to your exact specifications for length, width, height and sensitivity. 
  • When touched lightly or at an angle, the MT21 will send an immediate electrical signal to your controls and fire door motor operators to stop, and/or reverse operations. 
  • Completely flexible and will contour curved surfaces.