40W 500–850mA DALI Dimmable LED Driver
A compact 40W constant-current LED driver with DIP-switch selectable 500–850mA output, supporting DALI and Touch DIM (Push DIM) control. It provides smooth, flicker-free dimming from 0.1% to 100% with dim-to-off capability and operates from 120–277VAC for compatible indoor LED lighting.
- 500–850mA DIP-Switch Selectable Current
- Up to 40W Output Power
- DALI + Touch DIM (Push DIM)
- 0.1%–100% Dimming to Off
- 120–277VAC Input
- Single-Channel Constant Current Output
- 8 Selectable Current Settings
- Flicker-Free Dimming
Technical Parameters
| Model | PUP40D-1WMC-850 |
| Product Type | Constant Current Dimmable LED Driver |
| Rated Power | Up to 40W |
| Input Voltage | 120–277VAC |
| Input Frequency | 50/60Hz |
| Output Current Selection | 500 / 550 / 600 / 650 / 700 / 750 / 800 / 850mA |
| Current Selection Method | DIP Switch |
| Output Channels | 1 |
| No-Load Output Voltage | 58V Max |
| Output Frequency | 1kHz Min. PWM |
| Current Accuracy | ±5% |
| LF Current Ripple (<120Hz) | <3% |
| Dimming Type | DALI / Touch DIM (Push DIM) |
| Dimming Range | 0.1%–100%, Dimming to Off |
| Efficiency | >87% @ 120VAC, Full Load |
| Power Factor | ≥0.99 @ 120VAC, Full Load |
| THD | <10% @ 120VAC, Full Load |
| Input Current | 0.6A Max @ 120VAC |
| Standby Power | <1W |
| Protection | Over Voltage, Overload, Short Circuit |
| Surge Protection | L-N: 1kV |
| Safety Standards | UL8750, UL1310, CSA 250.13, CSA Class P |
| IP Rating | IP20 |
| Housing Material | PC |
| Operating Temperature | -20°C to +50°C |
| Relative Humidity | 20–90% RH |
| Lifetime | 50,000 Hours @ tc 85°C |
| Switching Cycles | >25,000 Times |
| Dimensions | 121 × 44 × 26.5 mm |
| Net Weight | Approx. 156 g |
Output Settings
| 500mA | 9–48V | 24W |
| 550mA | 9–48V | 26.5W |
| 600mA | 9–48V | 28.8W |
| 650mA | 9–48V | 31.2W |
| 700mA | 9–48V | 33.6W |
| 750mA | 9–48V | 36W |
| 800mA | 9–48V | 38.4W |
| 850mA | 9–47V | 39.95W |
Dimming Control
Dimming Control
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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.
