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| Categories | Digital Ventilation Controller |
|---|---|
| Model Number: | KF-900B |
| Payment Terms: | T/T |
| Customization: | UI Interface, Logo, Housing Color |
| OEM/ODM Service: | Available |
| Price: | US$79 |
| Smart Features: | Intelligent Ventilation Management |
| Supply Ability: | 100000pcs |
| Installation Type: | Wall-mounted (Standard HVAC Panel) |
| Output Control: | Direct Fan Start/Stop and Speed Regulation |
| MOQ: | 1 |
| Delivery Time: | 2-3 weeks |
| Fan Speed Control: | Multi-speed Intelligent Adjustment |
| Place of Origin: | China |
| Certification: | CE, RoHS |
| Brand Name: | OEM or neutral (no brand) |
| Company Info. |
| Shenzhen Xiangfan Electronics Technology Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
The controller features a clear digital interface that can display key indoor air parameters such as PM2.5 and CO₂ levels (depending on system configuration), helping users monitor air quality in real time and maintain a healthier indoor environment.
The output signal of the controller directly controls the startup and speed of fan.
The controller supports Wi-Fi connectivity and can be remotely monitored and controlled through the Smart Life App or Tuya Smart App, allowing users to manage their ventilation system anytime and anywhere. In addition, the built-in RS485 communication interface enables seamless integration with HVAC systems, building management systems (BMS), and smart building platforms.
* Dimension: | 86 × 86 mm | * Temperature display range: | 0℃ —— 50℃ | |
* Fixing hole distance: | 60mm (standard) | * Operating temperature: | -10℃--- +50℃ | |
* Wiring terminal: | Max 2.5 mm2 wire | * Operating humidity: | 5%RH——90%RH | |
* Rated voltage: | AC110-240V, 50/60Hz | * Storage temperature: | -10℃--- +60℃ | |
* Standby Power: | ≤ 2.0W | * Storage humidity: | ≤ 60%RH | |
* Control power: | ≤ 200W | * Life: | ≥ 5 years | |
* Suitable for fans: | AC/EC/DC |



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