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The Best 400V Dc Power Supply of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 400V Dc Power Supply of 2022. Check our ranking below.

2,143 Reviews Scanned

Rank No. #1
NICE-POWER DC Power Supply Variable, 0-400V 0-1A High Voltage Bench Power Supply with Memory Storage & Encoder Knob, Adjustable Regulated Lab Power Supply with Output Switch Lock Button Color Display
  • Storage Memory, Output Switch: DC power supply variable with four sets of data storage function buttons M1-M4, can save four sets of commonly used voltage and current value combinations, recalled at any time, no need to repeat the input. The output switch controls the output of the DC power supply to prevent damage to the load.
  • Encoder Adjustment Knob, Lock Button: The encoder knob helps you to adjust the voltage and current quickly and precisely. Press the knob to determine the number of digits to be adjusted, then rotate the button to adjust the desired voltage/current value. The DC power supply LOCK button prevents re-adjustment by accidentally touching other buttons.
  • High Precision, 4-Digit Color Display: The DC Power Supply 400V 1A features a high resolution of 0.01V and 0.001A, and our DC power supply voltage is adjustable up to 400V. The lab power supply's 4-digit, backlit, colour LCD display provides a more accurate, clearly visible reading of voltage and current values.
  • Multi-Protection, Intelligent Temperature-Controlled Fan: Safety is our priority. The DC power supply variable has multiple protections for over-voltage, over-current, over-heat and short-circuit protection. When the internal temperature of the DC power supply reaches 122℉/50℃, the fan of the DC power supply will turn on automatically to effectively cool down and prolong the life.
  • Various Applications: This dc power supply variable is suitable for battery charging ( LiFePO4, lead acid batteries, etc.), electronics repair, communication equipment maintenance, electrolysis, electroplating, brush plating, lamp test, aging test, burn-in test, production line test, DIY, labs, schools, laboratories scientific research and teaching etc. The NICE-POWER DC power supply is a nice choice for beginners or professional electricians and DIY electronics hobbyist.
Rank No. #2
RS232/USB Programmable Switching DC Power Supply Variable 400V 1A Adjustable 30V 10A 60V 120V Automatic Control Connect PC Store Data for Laboratories, Electronic Work, DIY, etc.(RS232-30V10A)
  • Programmable DC Power Supply You can connect the dc power supply variable to your computer via the back USB or RS232 port to precise control or upgrade your dc power supply.
  • Memory Storage, Output Switch The dc power supply with four sets of data storage function button M1-M4. you can save four sets of commonly used voltage and current value combinations and recall it for use at any time without repeated input. The output switch controls the output of the DC power supply and prevents damage to the load.
  • Upgraded Encoder Knob, Lock Button The dc power supply encoder adjustment knob can be used to precisely regulate the voltage and current. Press the knob to determine the number of digits to be regulated and rotate the pushbutton to regulate the desired voltage/current value. The dc power supply lock button prevents you from accidentally touching other buttons to avoid re-adjustment.
  • Two USB Ports, Power Button Front-Mounted This dc power supply is equipped with two USB ports. Rear USB interface (upgrade program, upper computer control interface); DC power supply variable front 5V 2A USB interface can be used to charge mobile phones. More importantly the power button is on the front of DC power supply, making it easier to use and needn't turn to the back to turn on/off DC power supply.
  • 4-digit Color LCD Display The dc power supply has a high resolution of 0.01V and 0.01A, and our dc power supply the voltage can be adjusted up to 32V. The lab power supply 4-digit back-lit color LCD display provides more accurate and clearly visible readings for the voltage and current value.
Rank No. #3
Adjustable Switching Power Supply DC Output 2000W 0-300V 400V 500V 600V Current and Adjustable Voltage 110/220/380VAC
  • 1. DC power supply simple phase, singular output
  • 2. Current and voltage can be adjusted from 0 to nominal value
  • 3. 2LED digital display, built-in EMI filter. Have an anti-interference circuit)
  • 4. Intelligent temperature control fan to help power supply fast cooling
  • 5. Uses: charging batteries, PCB board manufacturing industry. DC motors and fans, electrophating, electrolysation, electronic aging laboratory, electronic equipment, automatic test equipment, all other occasions must use a DC power supply
Rank No. #4
dc Power Supply 400V 500V 600V 4Digits DC Lab Switching Power Supply 30V 10A 200V 300V 1A Laboratory Adjustable Programmable High Precision (Color : SPPS3001D-232, Size : 110V)
  • Set the voltage or current you want more accurately.
  • This makes it more convenient for you to use the power supply.
  • When a short circuit occurs, the variable DC power supply will stop output and send out an alarm to remind you. Bench power supply also have safety protections such as overvoltage, overcurrent, overheating and overload.
  • dc power supply is the best choice for beginners or professional electricians.
  • VERSATILE USAGE - Compact and lightweight, doesn't take up of space, ideal for a variety of applications such as school lab experiments, cell phone repair, electronics production assurance specifications, and lab measurements.
SaleRank No. #5
Acxico 1pcs High Voltage DC-DC Boost Converter 5V-12V Step up to 300V-1200V Power Module
  • When the input voltage is 5V, the output voltage can be adjusted in 300-900V.when the input voltage is 6-12V, the output voltage can be adjusted in 400-1200V.
  • The capacitor can he charged, but charging speed is somewhat slow, please note.
  • As the module power output module, it is not possible for the sensor.This module is used on security products. stability is fairly good.
  • Package includes:1pcs High Voltage DC-DC Boost Converter 5V-12V Step up to 300V-1200V Power Module
  • We are very grateful to all customers for their suggestions to improve sales, if you are not satisfied, please contact us to find the best solution
Rank No. #6
IXTFJMVB High Voltage 1000W Switching Power Supply with Adjustable Output Voltage and Current DC 0-250V 300V 400V Power Supply(110V,400V)
  • Industrial Power Suppl
  • High voltage 1000W switching power supply with adjustable output voltage and current DC 0-250V 300V 400V power supply
Rank No. #7
NICE-POWER DC Power Supply Variable, 200V 1A High Voltage Programmable Adjustable Regulated Lab Bench Power Supply with PC Software, Encoder Knob, Memory Storage, Output Switch, Lock Button
  • Programmable DC Power Supply: DC power supply variable with RS232/USB port, after installing the specified software you can directly use the computer to control the DC power supply. You can quickly and accurately adjust the voltage/current, set multiple memory values, export data tables/graphs, program outputs and more. Please note that the software is for Windows only. If you have questions about installing or using the software, please feel free to contact us
  • Encoder Adjustment Knob, Output Switch: The encoder adjustment knob can be used to precisely regulate the voltage and current. Press the knob to determine the number of digits to be regulated and rotate the pushbutton to regulate the desired voltage/current value. The output switch controls the output of the DC power supply and prevents damage to the load
  • Memory Storage, Lock Button: DC power supply with 4 sets of data storage buttons, you can set the commonly used data for storage, turn on the DC power supply again can be used with one key, very convenient. The lock button prevents you from accidentally touching other buttons to avoid re-adjustment
  • Multi-protection, Color Screen: DC power supply variable have multiple protections for safety and durability. Current overload protection, overheating protection, overvoltage protection and so on. The color screen clearly identifies voltage, current and power
  • Terms of Service: When you buy a DC power supply you get 1* programmable DC power supply, 1 set of output power cables, 1* input power cable, 1* user manual, 1* USB cable for connecting to your computer. We provide 24 hours technical support, if you have any questions, you can contact us at any time
Rank No. #8
LM YN High-Voltage Power Supply Module DC-DC ±45-390V Adjustable Step-Up ZVS Capacitor Charge Ultra High Voltage Adjustable Output
  • Warning: High voltage danger! Please use with caution in non-electrician's profession! If you are a professional electrician who also pay attention to safety, good security measures.
  • Input voltage: DC10-32V. Input current: 5A (MAX).
  • Static operating current: 15mA (12V to 50V, the higher the output voltage will increase the quiescent current).
  • Output voltage: ± 45-390V 780V continuously adjustable. Output power: 40W (peak 70W).
  • Operating temperature: -40 ~ +75 ℃ (If the ambient temperature is high, please strengthen the heat). Operating frequency: 75KHz.
Rank No. #9
HSPY 400V 500V 600V 4Digits DC Lab Switching Power Supply 30V 10A 200V 300V 1A Laboratory Adjustable Programmable High Precision (Color : SPPS3001D-232, Size : 110V)
  • 【High quality & Lightweight DesignTests have proved that the dc lab power supply has a longer working time and is more durable. High quality material adopted and make it more stable output, small volume, light weight, easy to carry and move and easy operation.Please contact us freely if you do not know how to set the current and voltage
  • 【Safe and reliable】: with a variety of safety protection measures, including grounding wire, leakage protection, thermal protection, voltage overload, power overload, short circuit protection, and the power supply is equipped with intelligent temperature control fan and heat sink, heat dissipation effect is good, can effectively continue to work. Extend product life.
  • High-quality materials make our DC power supply more durable.
  • 【Wide Application】This benchtop power supply is suitable for the laboratory, electronic, communication equipments maintenance, products line, scientific research and teaching units.More focus on the use of car LCD/vehicle electronics testing and repair and Plating. Nice gift choice for DIY hobbyist.
  • We will inspect all DC power supply and accessories before shipment to ensure that the quality of the products received by each customer is good.
Rank No. #10
Rakstore DC-DC Boost Step up Power Supply Module High Voltage DC to DC 5V-400V 300V 900V 1000V Converter Adjustable DIY Charger Board
  • This module is a DC boost module, continuously adjustable, multiple voltage division output, voltage linearly adjustable 100V-1000V, up to 1200V.
  • When the input voltage is 5V, the output voltage is adjustable in the range of 280-1200V.
  • When the input voltage is 6-12V, the output voltage is adjusted in the range of 400-1200V.
  • Input voltage: 5V-12V (maximum 12V)
  • Current: 1-20mA;Size: 64mm*31mm

Last update on 2025-03-21 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best 400V Dc Power Supply?

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Potential sources can include buying guides for 400V Dc Power Supply, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 400V Dc Power Supply. Make sure that you are only using trustworthy and credible websites and sources.

We provide an 400V Dc Power Supply buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 400V Dc Power Supply currently available on the market.

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  1. Brand Value: Every brand of 400V Dc Power Supply has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 400V Dc Power Supply?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 400V Dc Power Supply.
  5. Customer Ratings: Number ratings grade 400V Dc Power Supply objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 400V Dc Power Supply.
  7. Product Quality: You don’t always get what you pay for with an 400V Dc Power Supply, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 400V Dc Power Supply is should be an indication of how long it will work out for you.

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