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Pablo Oliveros,United Statesperfect product! great quality! perfect quantity received. -
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Val Atanassov,United StatesExcellent transaction . My Dear friends from Keygma Co. ,are the best business partners ever work with .Trustworthy in aspects of business . Thank You for doing business wit me . -
Alejandro castillomuy efectivos y buen servicio gracias -
Benja Somyoo,United StatesThe product arrived quicker than expected that was nice. The quality looks good and I will be testing the product soon. I am very satisfied. -
FRANKLIN SORIANO,Dominican RepExcelente comunicación. esta fue mi primer compra por alibaba y gracias a las buenas atenciones la experiencia fue grata.
DC 12V Rotary LED Dimmer Switch PWM Flicker-Free Smooth Dimming 0-100% for LED Strip Light 40W Max
| Place of Origin | Guangdong, China |
|---|---|
| Brand Name | Keygma |
| Certification | CE, RoHS, FCC |
| Model Number | KD-DC12V40W |
| Minimum Order Quantity | 50 Pieces |
| Price | USD 2.50-5.00 / Piece |
| Packaging Details | Individual color box with foam insert, export-grade corrugated master carton |
| Delivery Time | 3-5 working days for stock, 15-20 days for production |
| Payment Terms | T/T, L/C, PayPal, Western Union |
| Supply Ability | 50000 Pieces per Month |
Product Details
| Type | DC Rotary Dimmer Switch | Input Voltage | DC 12V |
|---|---|---|---|
| Maximum Load | 40W | Dimming Technology | PWM (Pulse Width Modulation) |
| Dimming Range | 0-100% Stepless | PWM Frequency | 500Hz |
| Flicker-Free | Yes | Control Type | Rotary Knob With Push ON/OFF |
| Protection | Over-Current, Reverse Polarity | Compatible Loads | LED Strip Lights, LED Modules, LED Bulbs (12V DC) |
| Input Connector | DC 5.5x2.1mm Jack | Output Connector | DC 5.5x2.1mm Jack |
| Housing Material | ABS Flame Retardant | Operating Temperature | -20°C To 60°C |
| Dimensions | 58 X 37 X 28mm | Warranty | 2 Years |
| Highlight | 12V LED dimmer switch PWM,flicker-free LED strip dimmer,40W max rotary dimmer switch |
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Product Description
DC 12V Rotary LED Dimmer Switch - Flicker-Free PWM Smooth Dimming
The Keygma KD-DC12V40W Rotary LED Dimmer Switch is a professional-grade DC 12V PWM dimmer controller engineered for flicker-free smooth dimming from 0% to 100%. Designed for 12V DC LED strip lights, LED modules, RV lighting, marine illumination, and solar-powered lighting systems, this compact dimmer delivers stable, noise-free dimming performance with plug-and-play simplicity.
Key Features
- Flicker-Free PWM Dimming: High-frequency 500Hz PWM control eliminates visible flicker and ensures stable light output at any brightness level, reducing eye strain
- Stepless 0-100% Adjustment: Smooth rotary knob allows precise brightness control from fully off to maximum brightness with no stepping or jumping
- Push ON/OFF with Memory: Built-in push switch for convenient power toggle, ideal for bedside lamps and desk lighting
- Wide DC 12V Compatibility: Works with all 12V DC LED strip lights, LED modules, LED bulbs, and low-voltage lighting systems up to 40W
- Over-Current Protection: Automatically limits output when load exceeds 40W rating, protecting both the dimmer and connected LEDs
- Reverse Polarity Protection: Built-in protection prevents damage from accidental reversed input wiring
- Compact & Portable: Small inline design (58x37x28mm) with standard DC 5.5x2.1mm connectors for quick plug-and-play installation
- Durable ABS Housing: Flame-retardant ABS enclosure rated for -20°C to 60°C operation
Technical Specifications
| Parameter | Specification |
| Brand | Keygma |
| Model | KD-DC12V40W |
| Input Voltage | DC 12V |
| Maximum Load | 40W |
| Dimming Technology | PWM (Pulse Width Modulation) |
| PWM Frequency | 500Hz |
| Dimming Range | 0-100% Stepless |
| Flicker-Free | Yes |
| Control Type | Rotary Knob with Push ON/OFF |
| Protection | Over-Current, Reverse Polarity |
| Input Connector | DC 5.5x2.1mm Male Jack |
| Output Connector | DC 5.5x2.1mm Female Jack |
| Housing Material | ABS Flame Retardant |
| Operating Temperature | -20°C to 60°C |
| Dimensions | 58 x 37 x 28mm |
| Certification | CE, RoHS, FCC |
| Warranty | 2 Years |
Applications
Ideal for DC 12V LED strip light dimming, RV and campervan interior lighting control, marine boat lighting, solar-powered home lighting systems, under-cabinet kitchen lighting, display cabinet illumination, and photography/video LED panel brightness adjustment. The flicker-free PWM performance is essential for video recording environments where light flicker would ruin footage quality.
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