Rain-Sensing Electric Chain Window Opener

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Automatic rain protection

Rain-Sensing Electric Chain Window Opener

A compact 24V DC chain actuator with an integrated rain sensor for automatic window closing. Engineered for skylights, smoke-vent windows and daily ventilation systems.

Rain-sensing electric chain window opener with remote control and power adapter
300–1000 mm stroke
Designed for dependable automation

Smart ventilation that reacts to rain

When rain is detected, the system can close the connected window automatically, helping protect interiors while maintaining convenient electric operation by remote control, wall switch or a compatible control panel.

01

Automatic Rain Closing

Graphene rain-sensing panel responds quickly to rainfall and sends a closing signal.

02

Strong Chain Drive

Push and pull force from 300 to 800N, with a standard 400N configuration.

03

Flexible Stroke

Working stroke from 300 to 1000mm for different window sizes and opening angles.

04

Multiple Controls

Compatible with remote control, wall switch and intelligent ventilation systems.

Product advantages

Compact housing, practical performance

The slim aluminum-alloy body is suitable for visible installation on modern window frames. Overload protection supports reliable everyday operation.

✓24V DC safe low-voltage operation
Designed for building automation and smoke ventilation control systems.
✓Quiet 10mm/s movement
Smooth opening and closing for residential and commercial applications.
✓Wide working temperature
Suitable for ambient temperatures from −15°C to +75°C.
✓Installation accessories included
Mounting brackets and hardware simplify project installation.
Product details

Configuration, components and dimensions

Review the window opening effect, actuator components, installation dimensions and technical parameters in one complete product reference.

Rain-sensing electric chain window opener product details, components, dimensions and technical parameters
Rain-sensing electric chain window opener — configuration and technical reference.
Technical data

Specifications

Standard specifications shown below. Stroke, force, control mode and accessories can be configured for your project.

Working voltage24V DC ±10%
Stroke range300–1000mm
Common stroke options300 / 400 / 500mm
Push & pull force300–800N
Standard force400N
Speed10mm/s
Maximum current1.2A
Protection ratingIP32
Housing materialAluminum alloy
Ambient temperature−15°C to +75°C
ProtectionOverload protection
Power adapterCertified 2A, 1.2m cable
Applications

For automated windows in many building types

SkylightsAutomatic opening for roof ventilation and automatic closing during rain.
Smoke Vent WindowsCompatible with suitable 24V fire and smoke control systems.
Top & Bottom-HungConfigurable stroke and brackets for different opening geometries.
Casement WindowsCompact chain drive for offices, schools, hotels and homes.
Frequently asked questions

FAQ

Does the window close automatically when it rains?

Yes. When connected to the supplied or compatible rain-sensing control system, rainfall triggers an automatic closing command.

Can I choose a different opening stroke?

Yes. Stroke options from 300 to 1000mm are available. The best choice depends on the window size, hinge position and required opening angle.

Can it be controlled remotely?

Yes. Remote control, wall switch and centralized control options are available depending on the selected configuration.

Is it suitable for smoke ventilation?

It can be integrated into a compatible 24V smoke-ventilation or building-control system. Please share your project requirements so we can confirm the correct configuration.

Need a configuration for your window project?

Send us your window dimensions, quantity, required stroke and control method. Our team will recommend a suitable actuator and provide a quotation.

Request a Quote

Product specifications may be adjusted for project requirements. Final data is subject to the confirmed quotation and technical drawing.