The Best 30 Amp Constant Current Power Supply of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 30 Amp Constant Current Power Supply of 2022. Check our ranking below.
2,173 (random num) Reviews Scanned
SaleRank No. #1
NICE-POWER DC Power Supply Variable, 30V 30A 900W High Power Bench Power Supply with Encoder Knob, Benchtop Lab Power Supply, Adjustable Switching Regulated Power Supply
- 【2023 Upgrade High-precision Encoder Knob】 Just "set" voltage and current instead of "adjust". The encoder switch replaces the potentiometer switch, the digits are switched by pressing the knob and each digit can be set in the range 0-9 by turning the knob. Makes work easier and more efficient!
- 【Stable Output, Auto Switch C.C/C.V Mode】 This variable DC power supply is a low noise, low ripple adjustable high power continuous output power supply that can work at full load for long periods of time. Constant voltage and constant current modes can be switched automatically.
- 【 4-Digit LED Display, Power Display】 30V 30A DC Power Supply is a professional power conditioning unit with high resolution of 0.01V and 0.001A. The backlit 4-digit LED display of the bench power supply shows the voltage current and power values more accurately and is easy to see even in low light conditions.
- 【Multiple Protection, Intelligent Cooling Fan, Reliable and Safe】 The DC power supply has built-in overvoltage protection, overcurrent protection, overheating protection and termination protection. When the operating temperature of the DC power supply exceeds 122°F/50°C, the fan will turn on intelligently to dissipate heat effectively and extend the life of the device. DC power supply has shock absorbing rubber feet at the bottom for safer and more stable use.
- 【CE & FCC Certification, Widely Used】 30v 30a Lab power supplies have passed CE & FCC Certification. This benchtop power supply is suitable for battery charging ( LiFePO4, lead acid batteries, etc.), labs, schools, electronics repair, electrolysis, electroplating, lamp testing, aging testing, DIY, research and teaching.
Rank No. #2
Tekpower TP3030E DC Adjustable Switching Power Supply 30V 30A, Digital Display with Back Light
- Output Voltage: 0- 30V DC with low ripple
- Current Output:0-30A DC with low ripple
- Front AUX output 5A max
- Fuse Protection, Air fan for cooling
- 1 Year USA warranty
Rank No. #3
Switching Power Supply DWC30WIN, Universal Compact 13.8 Volt DC 110V AC Home Lab AC-DC Converter Power Supply for CB/HAM Radio Mobile, Output Current 30A(Max), Liquid-Crystal Display
- DWC30WIN is a high efficiency, compact, lightweight, high performance switching power supply.
- Input voltage: 110VAC. Output voltage: 13.8DC adjusted voltage between 9.0 and 15.0 volts. Turn clockwise to increase and counter clockwise to decrease the voltage. When it is set at the center position it will supply 13.8 volts.
- Output current: 30A (max), 20A (continuous). Output voltage regulation: less than 2%. Protection: Short-circuit, Automatic current limiting With in 30A.
- Ripple: less than 80mVp-p at rated load. Fuse: 5A. Meter: single volt/current meter, back-lit. Make sure the product is always suitably grounded to prevent electric shock and to reduce noise.
- Dimensions: 6.1 (W) x 2.7 (H) x 8.1 (D) inch (projections not included). Weight: approx 3.3 lb. Even though the chassis of the unit is negatively grounded, use correct terminals to connect cable.
SaleRank No. #4
DC Power Supply Variable, Bench Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button, Adjustable Power Supply with USB Quick-Charge, Short Circuit Alam (30V 10A Black)
- 【High-precision Encoder Knob】Different from general knobs, this DC power supply has a precise encoder knob. You can press the knob to switch each digit, and then turn the knob to customize each digit in the range of 0-9. Set the voltage or current you want more accurately. Make your work more flexible and efficient.
- 【Output Enable/Disable Button】In the process of using the bench power supply, Output button can prevent us from forgetting to turn off the output and causing damage to the load. Just press this button to turn on or turn off the output of the power supply. This makes it more convenient for you to use the variable power supply.
- 【Overcurrent Protection】When the OCP function is turned on, if the load equipment is short-circuited during operation, the adjustable power supply will automatically stop output and send a buzzer to alert the user. Protect the adjustable power supply and load from damage.
- 【Precise 4-digit LED Display】The dc power supply is equipped with a high-definition 4-digit display with data accurate to 0.01V and 0.001A. It has constant voltage (C.V.) and constant current (C.C.) modes, which can be switched automatically. You can see the working status indicator on the display. Additionally, you can adjust the brightness of the screen according to your needs.
- 【USB Fast Charging Port】The variable power supply is configured with an 18W fast charging port. No more mplaining about mobile phones or repaired devices not being charged in time. The NANKADF dc power supply allows you to avoid this dilemma. It charges your devices quickly anytime, anywhere.
SaleRank No. #5
NICE-POWER DC Power Supply Variable, 30V 30A 900W High Power Bench Power Supply for Battery Charging, Adjustable Switching Regulated Power Supply with Battery Charging Button, 3 Indicator Lights
- Designed for Battery Charging: The DC Power Supply Variable has 3 charging indicators and a "Battery" button. Pressing the "Battery" button puts the DC power supply in battery charging mode. If the charging circuit is incorrectly connected, the "Check" indicator will illuminate." The "Charging" indicator light indicates that charging is in progress." The "Full" indicator lights up to indicate that charging is complete and the output can be turned off.
- Wide Range of Charging Applications, Multiple Protection: The DC power supply has a maximum voltage of 30V, and can charge batteries below 30V, such as 6V/12V/24V batteries. With a maximum current of 30A and a maximum power of 900W, the DC power supply can quickly charge batteries. It has multiple protection functions such as over-temperature protection, over-current protection and short-circuit protection, which makes your charging safer.
- Memory Storage, Lock Button: DC power supply variable with 3 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.
- 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.
- Terms of Service: When you buy a DC power supply you get 1* DC power supply, 1 set of output power cables, 1* input power cable, 1* user manual. We provide 12 months warranty and 24 hours technical support, if you have any questions, you can contact us at any time.
Rank No. #6
BTECH RPS-30PRO 30 Amp Regulated Universal Compact Bench Power Supply, AC-to-DC Power Convertor, 13.8V (9~15VDC Adjustable) with Noise Offset Adjustment, Includes Multiple Power Connections
- CONVERTS AC TO DC: The BTECH Regulated Power Supply allows for simple and reliable AC-to-DC power conversion w/ constant source of DC voltage. An ideal power source for CB, Ham, GMRS and LMR Two way radios, Scanners, and all DC equipment. Adjustable from 9 - 15V or use a fixed 13.8V setting.
- CIGARETTE PLUG, SCREW-TYPE TERMINALS, & SNAP-IN TERMINALS: Features a cigarette plug, universal hardwired screw-type connection terminals, and snap-in terminals that ensure quick compatibility with all DC powered devices.
- SIMPLE PLUG-IN OPERATION: Simply plug in the power supply to a 110V AC outlet to provide a constant source of DC voltage, allowing for an easy and consistent power conversion. Switch-activated power control eliminates the need of an external battery or additional power source
- SAFETY PROTECTED: The RPS-30M has advanced safety protection including: overheat, short, and amperage surge protection.
- BTECH is proud to be in the USA, which allows you to have the best available local support for any issue that may arise. BTECH only engineers and develops radio products. This brand focus allows you to have the best available radios and accessories with the most features, with real USA warranty and support.
Rank No. #7
ACEIRMC 20A 300W CC CV Step Down Module Adjustable DC 6-40V to 1.2-36V Voltage Regulator Buck Converter Constant Current Power Supply Module
- Aceirmc buck converter input voltage range is DC 6-40V, adjustable output voltage range is DC 1.2-36V, can be used to convert 24v to 12v 5v, adjustable output current range is 0-20A, max output power is 300W. The step down regulator can apply to constant output current.
- With a wide input voltage range from 6V to 40V, the step-down converter can accurately adjust output voltage and current. The efficiency can be up to 95%,(measured at 20A, converting 24V to 12V).
- Short Circuit Protection: Self-recovery(cannot short circuit for long time). Plus, when input and output is common grounded, no-load CV output constant voltage,CC output constant current
- Adopting 75V / 80A large current dual MOS tube designed step-down board, Input and output use high frequency low resistance electrolytic capacitor, low ripple, and gives a stable output. Large current 30A connection screw terminals, more convenient to install
- Application: DIY stabilized voltage supply, LED car display, mobile power, industrial equipment appliances, LED driver, monitor, solar energy, fans, photovoltaic energy, motor, etc
SaleRank No. #8
Jesverty DC Power Supply Variable, 0-30V 0-10A Adjustable Switching DC Regulated Bench Power Supply with High Precision 4-Digit LED Display, 5V/2A USB Port, Coarse and Fine Adjustment SPS-3010
- 1️⃣【4-Digit Display & Power Calculation】: The Jesverty SPS series features a big bright 4-digit LED display that shows measured values of V／A／W that the unit outputs in real-time. The display resolution is up to 0.01V, 0.001A, and 0.1W.
- 2️⃣【Auto C.V. and C.C. Mode】: The Jesverty SPS series can be used as a constant-voltage*(C.V.) power supply and constant-current*(C.C.) power supply even when the load is changed. It switches automatically between CV mode and CC mode according to the changes in the load.
- 🌟Note: The V and A settings you set are the crossover point at which the mode switches.
- 3️⃣【Compact Body & Lightweight】: The Jesverty SPS series measured only 7.1(D)x3.35(W)x6.1(H)inches and weight of approx. 2.5lbs. It saves space on your workbench and can be moved around without any frustration.
- 4️⃣【Reliability and Safety】: The Jesverty SPS series is built with high-quality materials and reliable circuit designs that include multiple protection functions, such as short-circuit protection, over-load protection, grounding terminal, temperature-regulated fan, etc. to ensure performance and extend the lifespan.
SaleRank No. #9
MEAN WELL LRS-350-12 Switching Power Supply 350W 12V 29A Constant Current
- Select The Range Of AC Input Through The Switch 110V/220V
- Short Circuit Protection,Overload Protection,Over Voltage Protection，Overheating Protection
- 100% Full Load Aging Test;No-load Loss <0.75W (In Line With Energy Star requirements)
- Lead-free Process, In Line With Environmental RoHS Requirements
- Withstand 300Vac High Voltage Input For 5 Seconds
SaleRank No. #10
12VDC Adaptive 30-Watt Phase Cut Constant Current Driver with Junction
- 24VDC 60W PHASE CUT CONSTANT VOLTAGE DRIVER W/JUNCTION
- PREMIUM COMMERCIAL CONSTRUCTION: Encased in a low profile aluminum enclosure that includes knock-outs for easy installation in any low voltage application. 2 Year Warranty
- BUILT-IN PROTECTION: Standard built-in protections include short-circuit, over-load, and over-temperature protection
- APPLICATIONS: Suitable for LED Lighting power supply. Dimmable with standard TRIAC, MLV, and ELV (electronic low voltage) dimmers. Used commonly with Trulux receivers and controls for secondary side dimming. May also be used for non-dimming applications.
- SPECIFICATIONS: Class 2, Class P, Type HL, FCC compliant, cULus Listed, damp location rated. Free air convection cooling within low profile compact aluminum housing (only 1.02-inch tall). Mounting foot at both ends allows for screw down upon flat surface for complete installation
Last update on 2024-05-03 / Affiliate links / Images from Amazon Product Advertising API
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