• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: WEHO
  • Model Number: S-500-12
  • Output Power: 401 - 500W
  • Output Type: Single
  • Input Voltage: 110V/220V, 110v or 220v
  • Output Voltage: 12V
  • Output Frequency: 47~63HZ
  • Output Current: 40A
  • Protection: OLP/OVP/SCP
  • Certification: CE RoHS ISO9001
  • Guarantee: 2 year
  • Case material: Aluminium
  • Payment term: 30% deposit
  • OEM: yes
  • G.W: 1.35kg
  • Demension: 238*124*65mm

Packaging & Delivery

Packaging Details: 12pcs/carton
Delivery Detail: sample in stock

China Professional manufacturer camera led smps 500w 40a 12v power supply

Product Description

CURRENT RANGE0 ~ 40A0 ~ 36A0 ~ 32A0 ~ 20A0 ~ 18A0 ~ 10A
RATED POWER480W486W480W480W486W480W
RIPPLE & NOISE (max.)240mVp-p240mVp-p240mVp-p240mVp-p200mVp-p300mVp-p
VOLTAGE ADJ. RANGE10 ~ 13.2V12 ~ 15V13.5 ~ 18V20 ~ 26.4V26 ~ 32V41 ~ 56V
VOLTAGE TOLERANCE±1.0%±1.0%±1.0%±1.0%±1.0%±1.0%
LINE REGULATION±0.5%±0.5%±0.5%±0.5%±0.5%±0.5%
LOAD REGULATION±0.5%±0.5%±0.5%±0.5%±0.5%±0.5%
SETUP, RISE, HOLD TIME200ms, 50ms, 20ms at full load
INPUTVOLTAGE RANGE180 ~ 264VAC (110VAC input can be custom-made)
EFFICIENCY (Typ.)84%84%84%86.0%87.0%88%
AC CURRENT7A/115V        3.5A/230V
INRUSH CURRENT (max.)18A/115V      36A/230V
PROTECTIONOVERLOAD105 ~ 135% of rate load
Protection type : Fold back current limiting, recovers automatically after fault condition is removed
OVER VOLTAGE 13.8 ~ 16.2V15.5 ~ 18.2V18 ~ 21V27.6 ~ 32.4V31 ~ 36.5V57.6 ~ 67.2V
Protection type : Hiccup mode, recovers automatically after fault condition is removed.
FAN CONTROL,O.T.P.RTH1 or RTH250ºC FAN ON,45ºC FAN, 70ºC output shut down
ENVIRONMENTWORKING TEMP.-10 ~ +60ºC, 20 ~ 90% RH non-condensing
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 & EMCSAFETY STANDARDSDesign refer to UL1950, TUV EN60950-1 
EMI CONDUCTION & RADIATIONCompliance to EN55022 (CISPR22) Class B
HARMONIC CURRENTCompliance to EN61000-3-2,-3
EMS IMMUNITYCompliance to EN61000-4-2,3,4,5,6,8,11;ENV50204,Light industry level,criteria A
OTHERSMTBF138.6K hrs min. MIL-HDBK-217F (25ºC)
DIMENSION238*124*65mm (L*W*H)
PACKING1.35Kgs/pcs, 12pcs/17.7Kgs/0.0326CMB

Packaging & Shipping










• 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.


With 10 years OEM experience, we can provide professional solutions for customers. 

Send your Inquiry Details in the Below, Click "Send" Now!!!

MY skype: chnwh010


















Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
4 Transactions 1,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.