LED Programmable Driver
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U7+ Isolated Constant Power DALI-2 / D4i LED Driver U7+

Isolated Constant Power DALI-2 / D4i LED Driver U7+

DALI2 and D4i Isolated Constant Power LED Driver U7+ delivers precise, reliable power for modern LED luminaires. Applied to road lighting and urban illumination projects, its core functions are isolated constant-power output, NFC-programmable current setting, full DALI-2 and D4i protocol support (including Parts 150, 250–253) plus time-control dimming, and built-in 16 V bus plus 24 V auxiliary supply.  

Operating from 176–305 Vac with standby power under 0.5 W, the driver solves frequent outdoor lighting problems such as surge damage, thermal runaway, voltage fluctuations and complicated commissioning. Available through flexible OEM/ODM services, the U7+ series lets manufacturers customize branding, current ranges and interface details while retaining certified performance and rapid market readiness.

Form Drawing

Product Specification

Model U7-022D072+ U7-026D038+ U7-032D112+ U7-040D057+
Power (W) 22 26 32 40
Output voltage range (Vdc) 24～72 20~38 45～112 28 ~57
Adjustable full-power current range (A) 0.30～0.50 0.70～1.05 0.30～0.50 0.70～1.05
Default output 24~44V/0.50A 20～ 38V/0.70A 45~64V/0.50A 28～ 57V/0.70A
Typical efficiency 86.00% 86.00% 86.00% 88.00%
Typical power factor 0.95 0.95 0.95 0.98
Dimensions (L × W × H) mm 133*77*40 133*77*40 133*77*40 133*77*40

 

Model U7-060D086+ U7-060D200+ U7-080D115+ U7-080D272+
Power (W) 60 60 80 80
Output voltage range (Vdc) 38~86 78～200 35～115 115～272
Adjustable full-power current range (A) 0.70～1.05 0.30～0.50 0.70～1.05 0.30～0.50
Default output 38～ 86V/0.70A 78～120V/0.50A 35～115V/0.70A 115～160V/0.50A
Typical efficiency 89.00% 89.00% 91.00% 91.00%
Typical power factor 0.98 0.98 0.97 0.97
Dimensions (L × W × H) mm 133*77*40 133*77*40 133*77*40 133*77*40

 

Model U7-120D172+ U7-120D320+ U7-165D236+ U7-200D286+
Power (W) 120 120 165 200
Output voltage range (Vdc) 75～172 160～320 115～236 143～286
Adjustable full-power current range (A) 0.70～1.05 0.30～0.50 0.70～1.05 0.70～1.05
Default output 75～172V/0.70A 160～171V/0.50A 115～ 236V/0.70A 143 ～ 286V/0.70A
Typical efficiency 92.00% 92.00% 93.00% 93.00%
Typical power factor 0.97 0.97 0.97 0.97
Dimensions (L × W × H) mm 133*77*40 133*77*40 171*101*41 171*101*41
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FAQ
  • Q: Is your company positioned as a professional-grade or household-grade product manufacturer? Do you also serve the domestic market?

    We are positioned as a professional-grade product manufacturer, serving both domestic and international markets.

  • Q: What are your main sales markets and their approximate percentage shares? Do you have any major European clients or large retail chain customers? Which major clients do you have in Germany?

    Our current sales are mainly distributed in Central Asia (approximately 50%) and the domestic Chinese market (approximately 30%). Internationally, we collaborate with well-known brands such as Philips, but we have not yet directly entered the EU market and do not currently have any major German retail chain or end customers.

  • Q: What is your registered capital? In which year did the company begin operating in the lighting products industry?

    The registered capital is RMB 10.8 million. The company has been engaged in aluminum die-casting since 1994 and entered the complete lighting fixture manufacturing sector in 2007.

  • Q: How many development engineers do you have? Do you have experience in collaborative product development with clients?

    We currently have 3 development engineers, with extensive project experience in joint development with clients.

  • Q: If suppliers provide lithium battery products, do you have your own electronic engineers?

    Yes, we have dedicated electronic engineers on staff to support technical work related to lithium battery products.

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development: 2007- Future
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Supporting Services

- OEM / ODM

Support full category customization cooperation mode, able to undertake OEM OEM OEM and ODM original design customization orders.

- SKD / CKD

Flexible supply solution, providing customized shipping services for SKD semi loose parts and CKD full set of loose parts.

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