motor testing dc power supply variable switching dc power supply 30v 10a

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$294.98 / Piece | 1 Piece (Min. Order)
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Shipping fee:
Depends on the order quantity.
Lead Time:
3 day(s) after payment received
Customized logo (Min. Order: 100 Pieces)
Customized packaging (Min. Order: 100 Pieces)
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Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
Output Power:
201 - 300W
Output Type:
Input Voltage:
Output Voltage:
Output Frequency:
Output Current:
Short Circuit Overload Overvolt Overtemp
LED Lighting

Packaging & Delivery

Selling Units:
Single item
Single package size: 
43X28X22 cm
Single gross weight:
10.0 kg
Package Type:
1machine in a strong carton ,and full of pearl wool
Lead Time :
Quantity(Piece) 1 - 1 >1
Est. Time(days) 3 To be negotiated
Product Description

30v 10a switch power supply

This serial single output switch power supply is a kind of DC regulated power supply with high efficiency and stability. It can be acted both as constant voltage as well as constant current dc power supply. For this serial power supply, it has perfect protection circuit, can be used in many areas.

1. Charge batteries, PCB board manufacturing industry
2. LED products, motors and dc fans test,
3. Electrofacing, electrolyzation, electronic components ageing
4. Laboratory , Electronic equipment , Automatic Test Equipment
5. All other occasions need to use DC Power Supply

Protection function:
1. Over voltage protection
2. Over load protection
3. Over temperature protection(threshold value:70℃ -75℃)
4. Current limitation protection

1. Single phase, single output dc power supply
2. Constant voltage and constant current operation (C.C and C.V. automatic conversion)
3. Both current and voltage can be adjusted from 0 to rated value
4. 3LED digital display
5. Built-in EMI filter.(have anti-interference circuit)
6. Intelligent temperature control fan to help power supply cooling fast

Model No: LW3010KD
Input voltage: single-phase 220V±10% 50Hz or 110V±10% 60Hz
Working conditions: -10℃ -40℃ relative humidity :< 90%
Storage conditions: -20℃-80℃ relative humidity :< 80%
Output voltage: 0-30V
Output current: 0-10A

Display Accuracy: ±1%±1 digit
Voltage stabilization: ≤0.2%
Current stabilization: ≤0.5%
Load stabilization: ≤0.3%
Ripples and noises: ≤1 %( RMS)
Surge Current: 30A/115V, 60A/230V (cold-start)
Input Leakage Current: <0.7mA/230V
Withstanding voltage test:
From input voltage to output voltage: 1.5KVAC/min
From input voltage to case: 1.5KVAC/min
From output voltage to case: 500VAC/min

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Our Company

LW(LONGWEI) Our company build up in 1996s,and we have 20years history in China .Our own Research&development -Production-Sales together.And our workshop located in Dongguan City,Guangdong Province,China.We are specialized in power supply,oscilloscope,signal generator,Hi-pot tester,Soldering station and so on .Our products has about 2000kinds (instruments and tools).Our workshops more than 80000 square meters.Our productivity is 1000000pcs/year.

Packing & Delivery


1.the production packed by a platic bag first.

2.then will packed by the pearl cotton in front and back of the goods.

3.then packaged by a standard of the export carton inner box.

4.then packaged by a standard of the expor carton big box.


1.small order we usually have them in stock, and shipping by express.

2.20ft container ,it's need about 20working days,and shipping by sea.

3.OEM orders,we will discuss the time with you .


Q:what about the products warranty?
A:Usually 12months.

Q:How about the delivery time?
A:Usually we have goods in stock.If some models out off stock or not enough,we will contact you and discuss with you the delivery time.

Q:Could you OEM for our LOGO?and how about the OEM fee?
A:Yes,we can OEM for your LOGO.The OEM fee we will according your customized details and quantities then discuss with you.

Q:What's kind of payment you accept?
A:We can accept TT,Western Union, Money Gram.We also accept pay online on alibaba.

Q:What is your MOQ?
A:In our LW brand,MOQ is 1pcs.If OEM products,the MOQ according the models.

QHow many output voltage and current can you supply?
A:We can supply different voltage and current ,and can customized for your want.

Q:Which way for the shipping?
A:We usually shipping small packages by express by air door to door:such as DHL FEDEX UPS TNT and so on.For the large goods,we will discuss with you and suggest that shipping by sea.

Q:Could i get one sample for test?
A:Yes,we can send sample to you.But the sample fee need to pay by yourself.When the first order reach MOQ 200pcs,we will send back all the sample fee to you.

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