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Nekos Kato 300N chain actuator

The Nekos Kato 300N is a masterclass in Italian engineering, representing the pinnacle of the KATO series chain actuators. Designed for sophisticated natural ventilation systems, it delivers a powerful 300N push-pull force within a slim, powder-coated aluminium chassis. This 230V AC unit is specifically optimized for top-hung windows, utilizing a high-precision double-link chain to provide a reliable 300mm stroke. By integrating a microprocessor-controlled obstacle detection system, the Kato 300N ensures both operational safety and mechanical longevity, making it a premier choice for high-end residential and commercial window automation.

Quick Answer

The Kato 300N is best used for automating mid-to-heavy top-hung windows in indoor environments requiring 300N of force and 300mm of opening clearance.

✓Robust 300N load capacity for heavy window frames
✓Sleek, Italian-designed powder-coated aluminium body
✓Integrated microprocessor with electronic obstacle detection
✓Maintenance-free double-link stainless steel chain
✓Direct 230V AC power compatibility for standard wiring

Choose the Nekos Kato 300N if you require an Italian-made, 230V direct-wired solution for heavy top-hung windows where aesthetic integration and 300N of reliable force are non-negotiable.

✓ Who Should Buy

  • •Commercial HVAC contractors specializing in natural ventilation systems.
  • •Architects requiring slim-profile hardware for high-end residential builds.
  • •Facility managers looking for durable, microprocessor-controlled actuators for heavy windows.

✕ Who Should Avoid

  • •Users requiring IP65 protection for direct outdoor exposure (this is IP20).
  • •DIYers looking for battery-powered or plug-and-play smart app control without extra controllers.
Product Overview
The Nekos Kato 300N stands out in the 'Motorized Window Openers' category for its balance of aesthetic discretion and mechanical raw power. Crafted in Italy, this actuator features a low-profile 406mm length that fits seamlessly onto modern window profiles without being intrusive. The 24W motor is engineered for efficiency, drawing only 0.11A while maintaining a consistent 8mm/s speed. This ensures that even the heaviest top-hung windows open smoothly and quietly, facilitating optimal airflow without the mechanical chatter common in budget alternatives. Built for durability, the Kato 300N thrives in a wide temperature range from -5°C to +65°C. While it lacks internal smart-home chips, its compatibility with external rain sensors and wired switches makes it a versatile component for centralized building management systems. The surface-mounted design allows for straightforward installation on aluminium, wood, or PVC frames, providing a professional-grade solution for controlled natural ventilation.

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Engineering Analysis
From an electromechanical perspective, the Kato 300N is a high-torque, low-amperage device. The 230V AC 50Hz configuration eliminates the need for bulky external transformers, simplifying the electrical blueprint of a project. The internal gears are housed in a rigid aluminium extrusion which serves as a heat sink for the 24W motor, ensuring the 1.7kg unit remains cool during high-frequency operation. The 8mm/s speed is the 'golden ratio' for window actuators, providing enough momentum to break airtight seals without overstressing the mounting brackets.

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