

WDMTP10048D-TRIAC
Power: 100W
Input Vol: 200-240VAC
Output Vol: 48VDC
Output Current: 2.1A
Dimming Output: Single Color
Product Length: 255mm
Triac Dimming 20 Series Magnetic Track Light Integrated Power Supply
High-Performance 48VDC LED Driver for Commercial Lighting Applications. Engineered circuit design with senior electronic engineers, flicker-free deep dimming, leading & trailing edge, 3-wire, 3-year warranty.
Phase-Cut Dimming
Leading & Trailing Edge, 2/3-wire
Secure Locking System
3-wire
3-Year Warranty
100% full power output guarantee
Made in Zhongshan
Professional manufacturer since 2013
Triac Phase-Cut Dimming
Triac dimming uses phase-cut technology to control brightness directly through the AC mains. Supports both leading-edge (front-cut) and trailing-edge (rear-cut) dimming, compatible with a wide range of wall dimmers. No DALI addressing required — simple 3-wire installation.
- Leading & trailing edge — works with both front-cut and rear-cut dimmers for maximum compatibility
- 3-wire — flexible wiring to match different dimmer configurations
- No DALI addressing — simpler wiring, no commissioning required
Triac vs DALI — Which Should You Choose?
Compare the two dimming technologies to find the best fit for your project.
| Feature | Triac (This Product) | DALI |
|---|---|---|
| Dimming Method | Phase-cut (Leading & Trailing) | Digital addressing |
| Control Wire | 3-wire | 4-wire(Requires DALI bus) |
| Addressing | None needed | One per fixture |
| Protocol | Analog (open-loop) | Digital bidirectional |
| Dimming Depth | 5–10% | <1% |
| System Complexity | Very low | Medium |
| Cost | More economical | Higher |
| Best For | Residential / Small commercial retrofit | Large commercial / Centralized management |
Quick rule: Existing wiring without control lines, cost-sensitive retrofit → Triac. New installation, centralized addressing needed → DALI.
Key Features
Engineered for reliability, efficiency, and easy installation.
Engineered Circuit Design
Developed by senior electronic engineers using high-performance, cost-effective components for stable long-term operation.
Energy Efficient
Unique PCB solution reduces energy consumption and improves work efficiency.
Secure Locking System
Equipped with safety lock buckle, available in 3-wire options for flexible installation.
All-in-One Design
Plug-and-play installation. Flicker-free deep dimming. Stable wired signal, zero interference.
3-Year Warranty
100% full power output guarantee with long-term reliability.
Universal Compatibility
Designed for all 20-Series magnetic track rails, ensuring broad application coverage.
Technical Specifications
- Model NumbersWDMPT10048D-TRIAC / WDMPT20048D-TRIAC
- Input Voltage200–240V AC
- Output Voltage48V DC
- Power Factor (PF)≥0.5
- Power100W / 200W
- Dimming ProtocolTriac (Leading & Trailing Edge, 2/3-wire)
- Color ModeSingle Color
- ApplicationUniversal 20-Series Magnetic Track Rails
- Warranty3 Years
- BrandWELLDRIVER
Product Dimensions
100W Model
255 × 22 × 45 mm
Compact design for space-saving installation.
200W Model
300 × 22 × 45 mm
Balanced power and size for most applications.
Contact Us for Bulk Orders & OEM Inquiries
We are a professional manufacturer based in Zhongshan, China, specializing in smart lighting solutions.
Contact us today for competitive wholesale pricing and customization options.
WeChat: +86 13286300652 | Instagram: @glorysmartsince2013
Frequently Asked Questions
What is Triac dimming and how does it work?
Triac dimming uses phase-cut technology to control the AC waveform, reducing power to the LED driver and thus dimming the connected lights. Our driver supports both leading-edge (front-cut) and trailing-edge (rear-cut) phase control, compatible with both 2-wire and 3-wire dimmer configurations.
Can this driver be used with DALI systems?
No, this model uses Triac phase-cut dimming (leading & trailing edge, 2/3-wire). For DALI control, please see our DALI DT6 or DT8 series models. The comparison table above can help you choose the right technology for your project.
How do I choose between Triac and DALI?
Choose Triac if you have existing wiring without control lines and need a cost-effective solution for residential or small commercial projects. Choose DALI for new installations requiring centralized addressing, deep dimming (<1%), and large-scale management.
What track systems is this compatible with?
This driver is designed for universal 20-Series magnetic track rails, available in 2-wire and 4-wire configurations with a secure locking system.
What warranty is provided?
All WELLDRIVER magnetic track power supplies come with a 3-year warranty covering 100% full power output guarantee and long-term reliability.







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