MCH-303D 220v ac input 30V 3A 150W high power single dc output variable switching power supply for lab and education

Feedback Ratings
  • 1-9 Units
    US $38.00
  • 10-19 Units
    US $36.00
  • >=20 Units
    US $34.00
- + Units available
0piecesselected, US $in total
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Shipping fee:
Depends on the order quantity.
Lead Time:
3 day(s) after payment received
Customized logo (Min. Order: 100 Units)
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Quick Details
Place of Origin:
China (Mainland)
Brand Name:
Model Number:
Output Power:
101 - 200W
Output Type:
Output Voltage:
Output Frequency:
Output Current:
Input Voltage:
Input Current(at 220VAC,full load):
Output Voltage Range:
Output Current Range:
Voltage Display Accuracy:
Current Display Accuracy:

Packaging & Delivery

Selling Units:
Single item
Single package size: 
27X7X16 cm
Single gross weight:
1.5 kg
Package Type:
standard Packing
Lead Time :
Quantity(Unit) 1 - 10 11 - 50 51 - 100 >100
Est. Time(day) 3 5 7 To be negotiated

Mr Brian Yu    

Skype/WeChat/WhatsApp: +86 133 5293 0365  



Lab use SMPS MCH K303D Mini switching DC Power Supply for Electronic Industry


-Handiness, beautiful, stabilization, high performance, low cost
-High Stability digital display DC power supply
-A full functional output protection function
-Can be continuos output full load
-Current/ voltage adjustable within the nominal value

Outer packing volume:
330mm(L) x 120mm(D) x 200mm(H)

Optional Voltage:
-110V / 220V


Line Voltage200-240VAC,50Hz-60Hz
Output Voltage Range0-30V0-30V0-30V
Output Current Range0-2A0-3A0-5A
Voltage Display Accuracy±0.5%
Current Display Accuracy±0.5%
Voltage Regulation
Load Regulation(10-100%)50mV50mV50mV
Line Regulation(200-240VAC)20mV
Ripple & Noise(P-P)30mV50mV50mV
Current Regulation
Load Regulation(10-100%)20mA
Line Regulation(200-240VAC)20mA
Ripple & Noise(P-P)20mA
Operating Ambient-10℃ to + 60℃/ 30%RH to 90% RH 
Size7(W) x 16(H) x 22(D)cm



Lab use SMPS MCH K303D Mini switching DC Power Supply for Electronic Industry




Lab use SMPS MCH K303D Mini switching DC Power Supply for Electronic Industry







Company background

MCH Instrument Co. Ltd, was established in 1995, founded by Mr Huang Jing Wen, (CEO & Director of company)

We Build up our own Brand – MCH series in measuring, electronic tester instrument equipments such as Oscilloscope, spectrum Analyzer, Function & signal generator, Frequency counter, DC Power Supply unit Etc….

After 20 years of growing, MCH become strong, not only in product manufacturing, but do have own expert teams in management and products R&D,

MCH won a lot of achievements in China, and we archived ISO9001:2008. Most of our products are CE, ROHS certified

We do have OEM & ODM services

S. E. Q (Service, Economic pricing, Quality) is our concern, we know what you need, and we know what we have.

THAT WHY, Your concern is our target.

Looking forward to building up our partnerships.






Our service


S. E. Q (Service, Economic pricing, Quality) is our concern, we will serve you better, we try our best to ensure all the inquiries and requirements will reply ASAP not more than 24hours

After sales service

-All our products have 12 months warranty

-Components and spare parts will deliver for free once the causing traced within warranty period

-We have technical teams will serve you once you face any products issue, thru voice or video conference.

Packing & delivery

standard export carton:
1.12units per carton
2.Gross weight: 2kg /pc
3.carton dimension:40cm*17cm*35cm


Packaging Details

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