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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Steady
  • Model Number: MS-250-12
  • Output Power: 201 - 300W
  • Output Type: Single
  • Input Voltage: 85-264VAC 120-370VDC
  • Output Voltage: 12V
  • Output Frequency: 47-63HZ
  • Output Current: 20A
  • Certification: CE
  • Warranty: 2 Years
  • Case material: Metal Aluminium
  • Size: 199*110*50mm (L*W*H)
  • Weight: 0.82kg
  • Application: LED Light,CCTV Control,Electrical Appliances
  • Protections: Short Circuit/Overload/Overvolt/Overtemp
  • Express: UPS,FedEx,DHL,EMS,TNT
  • Type: Single Output
  • Name: led driver 12 volt 250w

Packaging & Delivery

Packaging Details it is packed by vacuum plastic bag to provent moisture and then put into the inner box,30pcs to a neutral carton.
Delivery Time Shipped in 7 days after payment

 New slim MS-250-12 smps transformer 110v 230v ac 12v dc regulated 250w power supply unit 12 volt 20 amp led strip lights driver

Product Description

Product Show


• Universal AC input / Full range 

• Protections:Short circuit/Over load/Over voltage 

• Cooling by free air convection 

• 100% full load burn-in test 

• Fixed switching frequency at 77KHz 

• 2 years warranty


Model MS-250-5MS-250-12MS-250-15MS-250-24
OutputDC Voltage5V12V15V24V
Rated Current40A20A16.7A10A
Current Range0~40A0~20A0~16.7A0~10A
Rated Power200W250W250W250W
Ripple & Noise (max.) Note.2100mVp-p100mVp-p120mVp-p120mVp-p
Voltage Adj. Range4.75~5.5V10.8~13.2V13.5~16.5V21.6~26.4V
Voltage Tolerance Note.3±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 time200ms               100ms
Hold time (Typ.)30ms
InputVoltage Range85 ~ 264VAC          120 ~ 370VDC
Frequency Range47~63HZ
AC Current(Typ.)0.5A/115VAC          0.25A/230VAC
Inrush Current (Typ.)COLD START 15A/115VAC          30A/230VAC
Leakage Current<0.5mA / 240VAC
ProtectionOver Load105 ~ 150% rated output power
Protection type : Hiccup mode, recovers automatically after fault condition is removed
EnvironmentWorking Temperature-10 ~ +60°c (Refer to "Derating Curve" )
Working Humidity20~90% RH  Non-condensing
Storage temp.& humidity-20~+85°C, 10~95%RH
Temp. coefficient±0.03%/°C (0~50°C)
Vibration10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

Safety & EMC

(Note 4.)

Safety StandardsUL1012, UL60950-1, TUV EN60950-1, CCC GB4943 approved
Withstand VoltageI/P-O/P:1.5KVAC     I/P-FG:1.5KVAC     O/P-FG:0.5KVAC
Isolation ResistanceI/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC/ 25°c / 70% RH
EMC EmissionCompliance to  EN55022 (CISPR22) Class B, EN61000-3-2,-3
EMC ImmunityCompliance to EN61000-4-2,3,4,5,6,8,11, EN55024, light industry level,  criteria A
OthersMTBF522.1K hrs min.      MIL-HDBK-217F (25 °c)
Dimension199*110*50mm (L*W*H)
Packing0.82Kg; 30pcs/28Kg

1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25°c of ambient temperature.
2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.
3. Tolerance : includes set up tolerance, line regulation and load regulation.

Product 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. 

Packaging & Shipping


Company Information

Our Services

Why Choose Us?

1. Any inquiries will be replied within 24 hours.
2. Professional manufacturer , welcome to visit our website.
3. OEM/ODM available:

  •  Print logo on our products
  •  Customized specification
  •  Customized color package box
  •  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:

  • All products will have been strictly quality checked in test house before packing
  • All products will be well packed before shipping
  • 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 3-7days 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. Contact us:

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

       Please add my skype or Wechat,my Skype ID is powersteady,Wechat is 3171968565.


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Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
45 Transactions 40,000+
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 $73,000
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