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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: weho power supply for led
  • Model Number: DR-45-12
  • Output Power: 45w
  • Output Type: dinrail power supply for led
  • Input Voltage: 85~264V
  • Output Voltage: 12V power supply for led
  • Output Frequency: 47~63HZ power supply for led
  • Output Current: 3.5A power supply for led
  • OEM: YES
  • Service: 24 hours online
  • EMC standards: Design refer to GB9254,EN55022,classB
  • Enclosure Material: Plastic power supply for led
  • working temperature: -10℃~+50℃
  • Start, Rise, Hold time: 800ms 60ms 50ms
  • Efficiency: 77%
  • weight: 0.31kg
  • Dimension: 78*93*56mm
  • keyword: power supply for led

Packaging & Delivery

Packaging Details power supply for led 48pcs/carton
Delivery Time instock power supply for led

CE RoHS approved DR-45-12 DIN Rail Led power  12V 3.5A dc power supply for led



Related Products
  Related Products
FeaturesHigh number of economic type safety with series
3.3V, 5V, 7.5V, 9V, 12V, 15V, 24V, 27V,36V,  48V
Model No.
Date Link
MS Series
MS-15W  MS-25W   MS-35W  MS-50W  MS-60W MS-100W

S Series
S-15W  S-25W  S-35W   S-50W   S-60W  S-75W
S-100W  S-120W  S-145W  S-150W   S-200W   S-201W

S-250W  S-300W  S-350W   S-400W   S-500W  S-600W

SCN Series
SCN-600W   SCN-800W   SCN-1000W  SCN-1500W 
DR Series

DR-30W  DR-45W DR-60W  DR-75W  DR-120W 


MDR Series
MDR-20W  MDR-40W  MDR-60W
LPV Series
LPV-15W  LPV-20W   LPV-30W   LPV-50W   LPV-60W
LPV-100W  LPV-150W   LPV-200W   LPV-250W
NES Series
NES-15W  NES-25W  NES-35W  NES-50W 
NES-75W  NES-100W   NES-350W


Product Description



CURRENT RANGE0 ~ 5A0 ~ 3.5A0 ~2.8A0 ~ 2A
RIPPLE & NOISE (max.)100mVp-p200mVp-p240mVp-p480mVp-p
VOLTAGE ADJ. RANGE4.75 ~ 5.5V10.8 ~ 13.2V13.5 ~ 16.5V21.6 ~ 26.4V
VOLTAGE TOLERANCE±2.0%±1.0%±1.0%±1.0%
LINE REGULATION±1.0%±1.0%±1.0%±1.0%
LOAD REGULATION±1.0%±1.0%±1.0%±1.0%
SETUP, RISE TIME80ms, 60ms/230VAC at full load
HOLD TIME(Typ.)100ms/230VAC at full load
VOLTAGE RANGE85 ~ 264VAC 120 ~ 370VDC
EFFICIENCY (Typ.)72%77%77%80%
AC CURRENT1.5A/115VAC 0.75A/230VAC
OVERLOAD105 ~ 150% rated output power
Protection type : Constant current limiting,recovers automatically after fault condition is removed
OVER VOLTAGE5.75 ~ 6.75V13.8 ~ 16.2V17.25 ~ 20.25V27.6 ~ 32.4V
Protection type : Shut down o/p voltage,re-power on to recover
OVER TEMPERATURETj 135ºC typically (U1) Detect on heat sink of power transistor
Protection type : Shut down o/p voltage, recovers automatically after temperature goes down
WORKING TEMP.-10 ~ +60ºC
WORKING HUMIDITY20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY-20 ~ +85ºC , 10 ~ 95% RH
TEMP. COEFFICIENT±0.03%/ºC (0 ~ 50ºC)
VIBRATION10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes
SAFETY STANDARDSDesign refer to UL508,TUV EN60950-1
EMI CONDUCTION & RADIATIONCompliance to EN55022 (CISPR22) Class B
HARMONIC CURRENTCompliance to EN61000-3-2,-3
EMS IMMUNITYCompliance to EN61000-4-2,3,4,5; ENV50204, EN55024, Light industry level, criteria A
MTBF364.6K hrs min. MIL-HDBK-217F (25ºC)
DIMENSION93*78*67mm (L*W*H)
PACKING0.31Kg; 48pcs/16.1Kg/1.3CUFT







Packaging & Shipping









Company Information



Our Services

We devote ourselves to offering humanized serving for each customer! No matter the business is big or small, we are always doing our best to offer our best services to our customers, and developing together

1. Two  years warranty for each Item switching  Power supply 

2. strict quality control inspection before shipment

3. shockproof & high quality blister packing to protect the item from damaging during shipment

4. OEM design & OEM packing welcome

5. Strong production ability 

6. Top 5 Global E-business Company of Alibaba

7.  Service online,reply to you within 6 hours

8. Quality is the heart of our factory and service is the soul!

>MOQ:We support  sample order. (1~5 pieces) 

>More than 500 pieces, can print logo on the products. 

>OEM/ODM welcome.

>24 months warranty.

>Shipping methods : by sea, by air, by express.





Output XXV on the switching power supply. XX is the voltage.

E.g.: 5V, 9V, 12V, 13.8V, 15V, 18V, 24V, 36V 48V .............


Output XXA on  switching power supply . XX is the current.

E.g.: 0.5A , 1A, 1.5A, 2A, 3A, 4A, 5A, 6A 10A 15A 20A 30A 40A 50A 60A 80A ......


  We have the best professional and experienced engineer and strict QA and QC system. Rpair rate under 0.1%~0.2%.


  Strong production capacity: 6000 pieces per day, could provide customerlized package upon request. We will make the the shipping to be the most economical for you and freight cost is informed in advance for your consideration and requirements

5. Guarantee period

During the guarantee period, if any defect and/ or inherent fault is discovered, the Buyer shall notify the Seller and supply evidence of the defective,faulty parts or damaged goods,after seller's testing and confirmation,if commodity is damaged owing to defective products ,The Seller shall take prompt action to remedy, repair, or replace the defective or faulty parts at his own expenses within 07 days after receipt of Buyer’s notice by fax/mail.

6. Applications   

• Power tools series: Electric Saw, Drilling Machine, Ginder, Sand blast Machine, Puching Machine,Weeding Machine,Air Compressor etc. 

• Office series: Computer,Printer,LCD Monitor,Scanning Machine etc.

• Household Appliance series: Dust Collector,Fan Lamp or LED ,Sewing Machine etc.

• Kitchen Appliance series: Microwave Oven, Fridge, Freezr, Coffemarker etc.

• Industrial Equipemnt series: shipping,vehicle,metalhalide lamp,solar system,wind power generation ect.

• Electrical filed series: TV,VCRS,Radio ect.


We are looking for distributor and agent all over the world for switching power supply . Should you any interest, please do feel free to send your message or inquiry. Welcome and join us, 24 hours service waiting for you. .Promt delivery and professional after-sales service are our priority ,which makes us to be your reliable partner.



Skype: anniechina3



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Transaction Details

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China (Mainland)
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Supplier Assessments:
74 Transactions 70,000+
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 $142,000
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