Product Description
1. Product Overview
This 300mm stroke chain window opener actuator is a high-performance automatic window control solution, designed for greenhouse roof vents, skylights, smart homes, and commercial buildings. It enables effortless, remote-controlled opening and closing of windows, delivering reliable ventilation, temperature control, and convenience for both residential and industrial applications.
2. Key Features
- 300mm Stroke Design: Provides sufficient opening distance for large skylights and greenhouse vents, ensuring optimal air circulation.
- Low Noise Operation: Advanced motor technology ensures quiet running, making it ideal for home and office environments.
- Simple Installation: Comes with complete mounting accessories and clear instructions, enabling quick and easy installation without professional tools.
- Smart Compatibility: Can be integrated with smart home systems, wind/rain sensors, and timers for automated control.
- Durable & Waterproof: High-quality metal chain and IP-rated housing ensure long service life and reliable performance in harsh outdoor conditions.
- CE Certified: Meets international safety and quality standards, guaranteeing product reliability and compliance.
3. Wide Applications
- Greenhouse & Agricultural Ventilation
- Skylight & Roof Vent Control
- Smart Home Automation
- Commercial Building & Office Ventilation
- Basement & Attic Window Opening
4. Technical Specifications
| Parameter | Details |
| Stroke Length | 300mm |
| Motor Type | DC Motor |
| Thrust | High Thrust (Customizable) |
| Protection Grade | IP44/IP65 (Optional) |
| Material | Aluminum Alloy Housing + Stainless Steel Chain |
| Operating Voltage | 12V/24V DC (Optional) |
| Noise Level | <50dB |
5. Our Service
- Customization: Support for custom stroke length, voltage, and control systems to meet specific project needs.
- Fast Delivery: Large stock available, with fast shipping worldwide.
- Warranty: 1-year warranty and lifetime technical support.
- Wholesale & OEM: Welcome bulk orders and OEM/ODM cooperation.
6. Call to Action
If you have any questions about this automatic chain window opener, please feel free to contact us at any time. We will provide you with the best solution and a competitive price. Looking forward to your inquiry!



Judy Zhu
Sichuan Wanshijia Technology Co., Ltd.
Tel: +86 17358566406