20W 350–700mA TRIAC, ELV & 0-10V Dimmable LED Driver
A compact 20W constant-current LED driver with selectable 350–700mA output, supporting 0-10V, leading-edge TRIAC and trailing-edge ELV dimming. It provides smooth, flicker-free dimming for compatible indoor LED lighting systems and operates from 120–277VAC.
- 350–700mA Selectable Constant Current
- 16W–20W Output Power
- 0-10V + TRIAC + ELV Dimming
- 0.5%–100% 0-10V Dimming
- 1%–100% TRIAC / ELV Dimming
- 120–277VAC Input
- Single-Channel Output
- Flicker-Free Dimming
Technical Parameters
| Model | PUP20AT-1WPC |
| Product Type | Constant Current Dimmable LED Driver |
| Rated Power | 16W–20W |
| Input Voltage | 120–277VAC |
| Input Frequency | 47–63Hz |
| Output Current | 350–700mA, Software Selectable |
| Output Voltage | 9–45V |
| Output Channels | 1 |
| Max. No-Load Output Voltage | 59V |
| Current Accuracy | ±5% |
| LF Current Ripple (<120Hz) | 5% |
| Dimming Type | 0-10V, TRIAC & ELV |
| TRIAC / ELV Operating Input | 120VAC, 60Hz |
| 0-10V Dimming Range | 0.5%–100% |
| TRIAC / ELV Dimming Range | 1%–100% |
| 0-10V Dimming Curve | Linear |
| TRIAC / ELV Dimming Curve | Logarithmic |
| Efficiency | 78% @ 120VAC, Full Load |
| Power Factor | 0.95 @ 120VAC; 0.9 @ 277VAC, Full Load |
| THD | 10% @ 120VAC; 20% @ 277VAC, Full Load |
| Input Current | 0.3A Max @ 120VAC; 0.18A @ 277VAC |
| No-Load Power | <2.5W |
| Protection | Over Voltage, Overload, Short Circuit |
| Surge Protection | L-N: 2.5kV |
| Safety Standards | UL8750, UL1310, CSA 250.13, CSA Class P |
| Flicker | Flicker Free |
| IP Rating | IP20 |
| Housing Material | PC |
| Operating Temperature | -20°C to +50°C / -4°F to 122°F |
| Relative Humidity | 20–90% RH |
| Lifetime | 50,000 Hours @ tc 80°C |
| Switching Cycles | >25,000 Times |
| Dimensions | 75 × 35 × 26.5 mm / 2.95 × 1.38 × 1.04 in |
| Net Weight | Approx. 173 g / 0.38 lb |
| Installation Requirement | Use Only Within an Enclosure |
Dual Dimming
Dual Dimming
Selectable Current
Selectable Current
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How do I choose the right product for my project?
How do I choose the right product for my project?
Start by confirming your input power supply, required output type, voltage or current, total load, control method and installation environment. Refer to the specifications on each product page before placing an order.
How can I check whether this product is compatible with my lighting system?
How can I check whether this product is compatible with my lighting system?
Compare the product specifications with your existing system, including input voltage, output requirements, dimming or control protocol, and load capacity. For accessories and programming tools, please check the listed compatible models.
Where can I find technical specifications and wiring information?
Where can I find technical specifications and wiring information?
Technical parameters, dimensions and available product information are provided on the product page. Please follow the applicable wiring diagram and installation instructions for your selected model.
Is professional installation recommended?
Is professional installation recommended?
Installation should be completed by a qualified electrician or lighting professional where mains wiring or system commissioning is required. Always disconnect power before installation and follow local electrical codes.
Need help selecting a product or configuring a system?
Need help selecting a product or configuring a system?
Contact our team with your project requirements, including input voltage, LED load, required control method, quantity and installation conditions. We will help you identify a suitable solution.
