250W/500W Rotary Fan Speed Controller
This fan speed controller is designed to regulate the speed of fans. It supports a power range of 250W to 500W, providing variable speed control.



Technical Specifications
Product Overview
Versatile Rotary Fan Speed Control
This rotary fan speed controller offers precise adjustment for residential and commercial ventilation systems, supporting a power range of 250VA to 500VA. Designed for both surface and flush wall mounting, it features a universal dimmer type with integrated electronic short-circuit and automatic overload protection. The unit is constructed from high-polymer PC reinforced with glass fiber, ensuring durability and high flame retardancy up to 850°C.

Technical Performance
Power Ratings
Electrical Specifications
| Parameter | Value |
|---|---|
| Rated Voltage | 220VAC |
| Network Frequency | 50/60Hz |
| Dimmer Control | Rotary push |
| Dimmer Type | Universal |
Load Compatibility
Supported Load Types
- High-pressure halogen lamp: 5-700W
- Incandescent lamp: 5-700W
- Low voltage halogen lamp (electronic transformer): 5-150VA
- LED lamp: 5-700W
Safety & Protection
- Safety Systems
- Electronic short-circuit protectionAutomatic overload protectionOverheating protectionIP20 Protection850°C Flame Retardancy
Installation & Design
Physical Characteristics
| Feature | Specification |
|---|---|
| Dimensions | 86*86mm |
| Material | High polymer PC with glass fiber |
| Mounting | Surface or Flush wall mounted |
| Fixing Type | Concealed screws |
| Embedding Depth | 35 mm |
| Wire Stripping Length | 8 mm |
Design Features
- Snap connection
- X-press On functionality
- Modular Fitting

Environmental Conditions
Operating Environment
| Condition | Range |
|---|---|
| Ambient Air Temperature | 0~45℃ |
| Relative Humidity | 5% to 95% |
Compliance & Quality
International Standards




