Fireproof Shutter Motor for Automatic Fire-Rated Rolling Shutters

Industrial Sectional door and motor

Fireproof Shutter Motor for Automatic Fire-Rated Rolling Shutters

  • Two-Step Staged Closing: Pauses at an intermediate height upon the initial alarm, then fully closes after a 5–60s delay or second signal to allow safe room evacuation.

  • 73°C Thermal Gravity Release: Automatically releases the shutter to close under its own weight when ambient temperatures reach 73°C ± 0.5°C during fire emergencies.

  • Ground-Level Electronic Limit Adjustment: Features a wall-mounted lock box that enables technicians to calibrate travel limits safely from the floor without high-altitude equipment.

  • Moisture-Protected Control Board: Sealed with protective waterproof adhesive over electronic components to prevent degradation in high-humidity sites like basements.

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Fire Protection System Component

Fireproof Shutter Motor for Automatic Fire-Rated Rolling Shutters

Heavy-Duty Fire-Rated Rolling Door Drive System with Electronic Limit & Two-Step Closing

Two-Step Closing Sequence
73°C Temperature-Controlled Release
Remote Lock Box Electronic Limit
Moisture-Protected Control Board

The fireproof shutter motor is designed to operate automatic fire-rated rolling shutters as part of a fire protection system.

It works with the fire control box and related detection or release devices to control the opening and closing of the shutter. Depending on the system configuration, functions can include two-step closing and temperature-controlled release.

The electronic limit version uses a separate lock box for travel-limit adjustment, allowing the installer to set the opening and closing limits without directly accessing the motor at height.

Motor selection should be based on the shutter weight, reel diameter, lifting distance, curtain configuration and required control functions.

 

Key Features of the Fireproof Shutter Motor

Two-Step Closing

After receiving the first fire alarm signal, the fireproof shutter closes to an intermediate position and stops.

After a 5–60 second delay, or after receiving a second alarm signal, the shutter continues closing until it reaches the fully closed position. This closing sequence can be used where the fire shutter system requires staged closing rather than immediate full closure.

Temperature-Controlled Release

The fireproof shutter system can also be equipped with a temperature-controlled release device.

When the temperature around the sensing element reaches 73°C ± 0.5°C, the release device activates and the shutter closes under its own weight. The temperature release function works together with the motor, control box and other components of the fire shutter system.

Electronic Limit Adjustment

The electronic limit fireproof shutter motor uses a separate lock box for travel-limit adjustment.

This allows installers to adjust the opening and closing limits without directly accessing the motor installation position. It is useful when the motor is installed at height or in a location where direct access is inconvenient during commissioning and adjustment.

Moisture Protection for Control Board

The control board is covered with waterproof adhesive to help protect the electronic components from moisture and water droplets.

* Intended for installation environments where moisture may be present, such as basement areas. This should not be interpreted as a certified IP protection rating. Where a specific IP rating is required, applicable technical documentation should be checked separately.

Fireproof Shutter Motor Specifications

The following specifications are available for the electronic-limit fireproof rolling shutter motor range:

Model Input Voltage Rated Power Output Speed Output Torque 4″ Reel 5″ Reel 6″ Reel 8″ Reel Elevation Max. Distance Curtain
FJJ 412-3P-(QLE) 380V 50Hz 250W 5.5 r/min 412 N·m 570 kg 460 kg 380 kg 280 kg 600 kg 6 m Single
FJJ 412-3P-(QLEZ) 380V 50Hz 250W 5.5 r/min 412 N·m 570 kg 460 kg 380 kg 280 kg 600 kg 6 m Double
FJJ 809-3P-(QLE) 380V 50Hz 370W 3.5 r/min 809 N·m 1020 kg 830 kg 680 kg 510 kg 1000 kg 9 m Single
FJJ 809-3P-(QLEZ) 380V 50Hz 370W 3.5 r/min 809 N·m 1020 kg 830 kg 680 kg 510 kg 1000 kg 9 m Double
FJJ 1617-3P-(QLE) 380V 50Hz 800W 4.3 r/min 1617 N·m —— —— 920 kg 700 kg 1500 kg 12 m Single

* Note: Specifications should be checked against the final technical datasheet before being used for a specific project.

How to Select a Fireproof Shutter Motor

Selecting a fireproof rolling shutter motor starts with the complete shutter configuration rather than motor power alone. Key factors include:

  • Shutter Weight: The total moving weight is an important factor when selecting the motor. It should be considered together with the reel diameter and required torque.
  • Reel Diameter: The available specifications cover 4″, 5″, 6″ and 8″ reels. The lifting capacity varies according to the reel size and motor model.
  • Lifting Distance: The listed models provide maximum elevating distances of 6 m, 9 m or 12 m, depending on the model.
  • Curtain Configuration: Both single and double curtain configurations are available for the applicable models.
  • Power Supply: The electronic-limit models listed above use 380V 50Hz power supply.
  • Control Requirements: Confirm whether the system requires Two-step closing, Temperature-controlled release, Smoke detection, Mechanical release, or Electronic/Mechanical limit control.

Providing these details during the quotation stage helps determine the appropriate fireproof shutter motor configuration.

 

Limit Arrangements & Motor Comparison

Electronic Limit vs. Mechanical Limit

The fireproof rolling shutter motor range includes different limit-control arrangements.

The electronic limit motor uses a separate lock box for travel-limit adjustment, allowing installers to adjust limits without accessing the motor directly.

A mechanical limit version is also available. The specific model and limit arrangement should be confirmed according to shutter design and project requirements.

Fireproof Motor vs. Standard Motor

A standard rolling shutter motor is generally selected for normal daily opening and closing operations.

A fireproof shutter motor is used as part of a fire-rated system and must integrate with specialized fire control and release functions, including Fire Alarm input, Two-Step Closing, Temperature Release, Smoke Detection, Mechanical Release, Fire Control Box Integration, and Remote Electronic Limits.

Applications & System Integration

For fire door manufacturers, shutter manufacturers, and system integrators, the motor is one vital component of the complete fireproof shutter assembly.

Typical Application Environments

■ Fire-rated rolling shutters
■ Automatic fire shutters
■ Fire compartment openings
■ Commercial buildings
■ Industrial buildings
■ Warehouses & logistics hubs
■ Basement areas
■ Large building openings
■ Fire separation systems
■ Motorized fire doors & shutters

For each application, mechanical configuration (motor model, shutter weight, reel diameter, elevation, curtain type) and control configuration (fire alarm input, two-step closing, temperature release, smoke detection, limit type) should be matched as a compatible system according to project requirements.

Frequently Asked Questions

✔ 1. What is a fireproof shutter motor?

A fireproof shutter motor is used to operate motorized fire-rated rolling shutters as part of a fire protection system. It works with the shutter, control box and related detection or release components according to system configuration.

✔ 2. How does the fireproof shutter motor close during a fire?

Depending on the control configuration, the shutter can use two-step closing. After the first fire alarm signal, it closes to an intermediate position and stops. After a 5–60 second delay, or after a second alarm signal, it continues to the fully closed position.

✔ 3. What is the temperature release setting?

When the temperature around the sensing element reaches 73°C ± 0.5°C, the temperature-controlled release device activates and the shutter closes under its own weight.

✔ 4. What voltage does the fireproof shutter motor use?

The electronic-limit models listed in the specifications use 380V 50Hz power supply. Motor selection should also consider the required torque, reel diameter, lifting distance and curtain configuration.

✔ 5. How do I choose the right fireproof shutter motor?

The main selection factors are shutter weight, reel diameter, lifting distance, curtain configuration, power supply and required control functions. These details can be used to determine the appropriate motor model for the project.

Request Fireproof Shutter Motor Selection

If you are selecting a motor for a new fire-rated rolling shutter or replacing an existing drive, please provide:

■ Shutter width and height
■ Shutter weight
■ Reel diameter (4″, 5″, 6″, 8″)
■ Required lifting distance
■ Single or double curtain
■ Power supply specifications
■ Required closing sequence
■ Smoke or temperature detection
■ Electronic or mechanical limit

We can check the motor specification according to your shutter configuration and provide the corresponding technical information and project quotation.

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