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WindowMaster WMX 826-1G500S

The WindowMaster WMX 826-1G500S is a high-performance 24V DC chain actuator engineered for precision natural ventilation and automated window control. As a standout model in the WMX 800 series, it combines a robust 500mm stroke with advanced MotorLink® technology, allowing for millimetric precision and seamless integration into modern Building Management Systems (BMS). Housed in a durable, lacquered zinc casing, this Danish-engineered actuator provides a perfect balance of aesthetic elegance and mechanical power, making it the premier choice for both commercial facades and high-end residential smart homes.

Quick Answer

The WMX 826-1G500S is designed for automated top-hung, bottom-hung, and pivot windows, offering a 500mm opening for maximum airflow in commercial or residential ventilation systems.

✓Extensive 500mm travel distance for superior ventilation capacity.
✓Integrated MotorLink® technology for digital synchronization and programmable speed.
✓Ultra-quiet operation at ≤30 dBA, ideal for noise-sensitive environments.
✓Robust 200N traction and pressure force housed in a slim 30.5mm profile.
✓Durable lacquered zinc housing with a high-grade steel chain for long-term reliability.

Choose the WindowMaster WMX 826-1G500S if you require a long-reach, 500mm actuator that supports advanced BMS integration via MotorLink® and demands the highest level of acoustic comfort and build quality.

✓ Who Should Buy

  • •Architects and Developers designing smart, energy-efficient commercial facades.
  • •Facility Managers seeking low-maintenance, quiet window automation for offices or schools.
  • •Luxury Homeowners installing high-ceiling windows that require remote, automated ventilation.

✕ Who Should Avoid

  • •Residential users looking for a simple 'plug-and-play' DIY kit without a 24V DC infrastructure.
  • •Industrial environments requiring IP66 or higher protection for direct exposure to high-pressure water jets.
Product Overview
The WindowMaster WMX 826-1G500S redefines automated window hardware by merging digital intelligence with mechanical strength. This 24V DC actuator is specifically designed to facilitate 'Natural Ventilation,' providing precise control over indoor air quality. Its programmable speed settings (3–9.5 mm/s) allow users to prioritize either rapid opening for immediate cooling or slow, silent operation for overnight climate maintenance. The unit is versatile enough for surface mounting or concealed installation, ensuring it complements architectural designs without compromising on power. Built with Danish precision, the WMX 826-1G500S is compatible with multiple window types including top-hung, bottom-hung, and center-pivot frames. The inclusion of a safety stop mechanism and manual override ensures that the system is not only efficient but also safe for everyday use. Whether it's a single installation or a synchronized multi-actuator setup on a large glass facade, this model delivers consistent, reliable performance under varying load conditions.

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Engineering Analysis
From an engineering standpoint, the WMX 826-1G500S is a masterpiece of compact power density. The motor utilizes a 24V DC system drawing only 1A at peak load, yet generates 200N of force. The chain is constructed from hardened steel, designed to withstand the lateral forces associated with a 500mm extension. The housing is die-cast zinc, which acts as a heat sink for the internal electronics, contributing to its wide operating temperature range of -5°C to +74°C. The programmable microprocessor allows for custom end-stop positioning, which protects the window hardware from excessive stress.

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