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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: REFINE
  • Model Number: LD LDNF
  • Output Power: 1 - 50W, 6w 8W 12W 15W 18W 24W 36W 45W 60W
  • Output Type: Single
  • Input Voltage: 220V
  • Output Voltage: 70/130
  • Output Frequency: 50/60
  • Output Current: 350mA
  • Conversion Efficiency: ≥88%
  • PF: 0.95
  • THD: 20% max
  • ripple current: normal type 30%max or non-flicker type 5%max
  • key words: constant current led driver
  • Warranty: 3 years 50000hours

Packaging & Delivery

Packaging Details: white box/brown box

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Product Description

can be customized! 

led driver 
PowerModel No.Constant Current Voltage Range  specification 
4w~8wLD-8-350-R 350mA12-24v

Iutput:100-240Vac 50/60HZ
Ripple current:non-flicker or normally
THD:Max 20%

Traic dimming

/or 0-10v dimming

/or non dimming  

IP code:IP40

Working temperature:-30~+50°C

Storage temperature:-30~+100°C

LD-series for general type driver
LDNF-series for non-flicker type driver









LD-8-500-R 500mA8-16v
LD-8-600-R 600mA6-12v
LD-8-700-R 700mA6-12v
9w~16wLD-16-350-R 350mA21-45v
LD-16-500-R 500mA15-32v
LD-16-600-R 600mA15-27v
LD-16-700-R 700mA12-24v
LD-16-900-R 900mA9-18v
LD-16-1050-R 1050mA9-15v
16w~25wLD-25-350-R 350mA36-72v
LD-25-600-R 600mA24-42v
LD-25-700-R 700mA18-36v
LD-25-900-R 900mA15-28v
LD-25-1050-R 1050mA12-24v
21w~36wLD-36-350-R 350mA58-93v
LD-36-500-R 500mA36-72v
LD-36-600-R 600mA30-60v
LD-36-700-R 700mA24-52v
LD-36-900-R 900mA21-42v
LD-36-1050-R 1050mA18-36v
32w~45wLD-45-350-R 350mA70-130V
LD-45-500-R 500mA45-90v
LD-45-600-R 600mA36-75v
LD-45-700-R 700mA33-66v
LD-45-900-R 900mA24-54v
LD-45-1050-R 1050mA21-42v


Driver  Details 


Constant current mode power supply
Universal AC input / Full range
Withstand 300VAC surge input for 5 seconds
Protections: Short circuit / Overload / Over voltage
Cooling by free air convection
100% full load burn-in test
Low cost, high reliability
Suitable for LED lighting and moving sign applications
3 years warranty  50000hour lifespan




Packaging & Shipping


Packing Detail1PC/white box,20-30sets/brown box or as customer requirement
Delivery Details3 days for sample,7 days for 100PCS,7-15 days for 1000-3000pcs,15-20 days for over 3000pcs


Shipping Method:

1. By Express: DHL, UPS, Fedex, a fast and safe way for shipping, normally 3-5 working days for delivery;
2. By Air: In some area, the shipping cost by air is more favorable than by Express; 5-7 days for delivery;
3. By Sea: the most economic shipping method, but cost longer shipping time; large quantity, heavy and not 
urgent goods can choose this way.
4. Your shipping agent or forwarder.

Company Information

 REFINE OPTO CO.,LTD is a professional LED driver & lighting design & manufacture company. Our engineers have more than 10 years experience on led driver &lighting design. We are focus on indoor and outdoor constant current led drivers. Emergeny lighting kits. The excellent R&D team ensures the latest products keep going, The strong production and 100% testing procedure make the quality of product at the first class. The prompt delivery and competitive price meet your requests. We give bar code on each product to make sure every product with an only identify number for future tracing.

Our company dedicate to led driver research, we are trying to become the most trustable led driver manufacture.

welcome all overseas customers to our factory for business negotiation. 

Factory stage

Products  certifications and testing reports




Payment Terms:

1. Samples: Bank TT, 100% payment in advance;
2. Bulk order: Bank TT, 30% deposit and balance 70% settled before shipment.

Delivery time:
1. Samples: 3-7 working days;
2. Bulk order: 7-15 working days.

Delivery Detail: 
We ship goods by UPS/DHL/FEDEX/TNT express which takes 3~ 5 days to arrive, or by air cargo which takes about one week to arrive .
or by sea which takes about one month to arrive , depending on your actual requirements.


1. Your factory or trading company?

We are a factory, we provide OEM /ODM services.


2. What are your market reach throughout the region?

Our markets around the world in every corner, we have nine years of experience in foreign trade, our nich market is US/ European/Asian etc.


3. You have the ability to do independent research and development?

Our engineering department has 4-5 people, we have the research and development capabilities. 

We also collect regularly each customer feedback, product improvement and new product development. 

We also hold monthly new product launches.


4. How does your factory do regarding quality control? 

100% of the drivers and lights will be tested and keep lighting for 24 hours to test its quality reliability , and we will also test its temperature after 24 hours’ lighting.Then after it is cool we again test 100% of the lights to see if it still work well;

Each lamp should pass all these QC procedures before shipping to customer.


5. What will you provide services?

Quick reply on customers'questions;
If anything goes wrong with the products'quality, we will replace for you free and undertake the shipping cost.
Make you a happy ordering.


Contact Us


   Address:Yinyang Industry Park, Fuzhu street1, Zhangyang,Zhangmutou Town, Dongguan City,Guangdong Province,China.

   Tel: (+86)769-82797008      Fax:(+86)769-82797018       ZIP:523620

   Web: http://refine-opto.com/


                                               Persue quality, choose Refine
                                       Welcome to send an inquiry to us! Thank you!


Transaction History of the Supplier

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Transaction Overview


Transaction Details

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China (Mainland) | Manufacturer, Trading Company
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21 Transactions 220,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $152,000
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