MS 300 12 12v Transformer 300w
  • Seller Zhejiang Steady Electronic Technology Co., Ltd.
  • Min. Order 1 Piece/Pieces
  • FOB Price US $10-14.27 /Piece

Item Details

Port: Shanghai or Ningbo port
Supply Ability: 60000 Piece/Pieces per Month
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram,paypal

Product Description


Welcome,my friend! If you have any questions, please don't hesitate to ask us!

  1. If you want to buy sample or few , here is our aliexpress store :
  2. Product order will be shipped as soon as possible, please be patient.
  3. if you have any needs please communicate with us .
  4. our catalog in the , our website :

Product Description


Model MS-300-5 MS-300-12 MS-300-15 MS-300-24
Output DC Voltage 5V 12V 15V 24V
Rated Current 50A 25A 20A 12.5A
Current Range 0~50A 0~25A 0~20A 0~12.5A
Rated Power 250W 300W 300W 300W
Ripple & Noise (max.) 100mVp-p 100mVp-p 120mVp-p 120mVp-p
Voltage Adj. Range 4.75~5.5V 10.8~13.2V 13.5~16.5V 21.6~26.4V
Voltage Tolerance ±2.0% ±1.0% ±1.0% ±1.0%
Line Regulation ±0.5% ±0.5% ±0.5% ±0.5%
Load Regulation ±1.0% ±0.5% ±0.5% ±0.5%
Setup,Rise time 200ms 100ms
Hold time (Typ.) 30ms
Input Voltage Range 88-132VAC/176-264VAC selected by switch 248-370VDC
Frequency Range 47~63HZ
Efficiency(Typ.) 70% 76% 77% 79%
AC Current(Typ.) 0.5A/115VAC 0.25A/230VAC
Inrush Current (Typ.) COLD START 15A/115VAC 30A/230VAC
Leakage Current <0.5mA / 240VAC
Protection Over Load 105 ~ 150% rated output power
Protection type : Hiccup mode, recovers automatically after fault condition is removed
Over Voltage 5.75 ~ 6.75V 13.8V~16.2V 17.25V~20.3V 30V~34.8V
Protection type : Shut down o/p voltage, re-power on to recover
Environment Working Temperature -10 ~ +60°c (Refer to "Derating Curve" )
Working Humidity 20~90% RH Non-condensing
Storage temp.& humidity -20~+85°C, 10~95%RH
Temp. coefficient ±0.03%/°C (0~50°C)
Vibration 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes
Others MTBF 522.1K hrs min. MIL-HDBK-217F (25 °c)
Dimension 200*115*50mm (L*W*H)
Packing 0.9Kg; 20pcs/18Kg

Important Notice

* These products are Constant Voltage LED Drivers. For dimming purpose, please equip with compatible low voltage dimmer switches and arrange your circuit in the following sequence:

Mains – LED Driver – Low Voltage Dimmer – Low Voltage LEDs

• 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.

Company Information

Packaging & Shipping

Our Services

1. Any inquiries will be replied within 24 hours;
2. Professional manufacturer , welcome to visit our website;
3. OEM/ODM available:
a) Print logo on our products
b) Customized specification
c) Customized color package box
d) Any your idea on our products,we can help you to design and put it into production
4. High qulity,fashion design,reasonable&competitive price,fast lead time
5. After-sale service:
a) All products will have been strictly quality checked in test house before packing
b) All products will be well packed before shipping
c) All products have 1-2 years warranty, and we sure the products will be free from maintenance
within warranty period
6. Faster delivery: Sample order in stock, and 3-7 days for bulk production
7. Payment term: L/C T/T open account transaction,westion union & paypal
8. Shipping: We have strong cooperation with DHL,TNT, UPS, FEDEX, EMS, china post air mail,
you also can choose your own shipping forwarder.
9. How to contact us:
a) Tel: 400-077-8088
b) Tel: 0577-62713666
c) Website:

contact us now !

Linsa (sale maneger)
what spp : +86 18106556566
skype : cnsteady
email : [email protected]