Finding your suitable 40 amp power supply is not easy. You may need consider between hundred or thousand products from many store. In this article, we make a short list of the best 40 amp power supply including detail information and customer reviews. Let’s find out which is your favorite one.
Reviews
1. eTopxizu 12v 30a Dc Universal Regulated Switching Power Supply 360w for CCTV, Radio, Computer Project
Feature
IN-DOOR USE ONLY!High quality Switch Power Supply Widely used in Industrial automation, LED display, communications, etc.
You can choose the input voltage (110V/240V) by switch.
Smart device surge protection for Shortage Protection, Overload Protection, Over Voltage Protection
Description
Product Features:
Auto on/off cooling fan
High efficiency
Low temperature
LED indicator for power on
Over Load and Short Circuit Protection
Over Voltage Protection
Output:
DC Voltage: 12V
Rated Current: 30A
Current Range: 0-30A
Rated Power: 360W
Ripple & Noise (maximun): 150mV
Voltage Adjustable Range: 10-13.2V
Voltage Tolerance: +/- 2.0%
Line Regulation: +/- 0.5%
Load Regulation: +/- 0.5%
Setup, Rise, Hold Up Time: 200ms, 50ms, 20ms at full load
Input:
Voltage Range: 90-132V AC / 180-264V AC by Switch 248-370V DC
Frequency Range: 47-63Hz
Efficiency: 74%
AC Current: 6.5A/115V 4A/230V
Inrush Current: 25A/115V 50A/230V
Leakage Current: <3.5mA/240VAC
Note
This product is suitable for indoor use, non-detachable power shell.
External power supply round hole mesh heat vents, in the range of 50cm within the outlet Do not place other flammable items.
5 cm in the product range not place other items, to ensure that the powersupply has good thermal environment, to ensure safety.
Please accurately calculate the load power, do not overload. When thepower is working, do not touch the case.
Do not short-circuit output if no output, please use off one minute re-energized.
Before electricity use, carefully verify the power link is correct, rigorous power lines reversed.
Professional installation of qualified electrician is highly recommended.
2. Jetstream 12 VDC 45 Amp Power Supply w/Meter and Lighter Plug
Description
45 AMP SURGE, 40 AMP CONT POWER SUPPLY SWITCHING3. ALITOVE 5V 40A 200W Power Supply Transformer Adapter Converter 110V/220V AC to DC 5V 40amp Driver for WS2812B WS2811 WS2801 APA102 LED Strip Pixel Light CCTV Camera Security System Computer Project
Feature
Input: 110V/220V AC; Output: DC 5V 40A max. Output voltage can be adjusted 15%. Three sets of output Channel.Safety features: Automatic overload cut-off, over Voltage cut-off, automatic thermal cut-off, short circuit protection.
It is perfect for all 5V projects, such as WS2811 2801 WS2812B LED Strip Pixel Light, CCTV Camera, Security System, Computer Project, etc.
There is no fan inside the case, silent running. Metal case with many holes makes heat dissipation more efficient.
Compact small size, high efficiency, high reliability, stable performance. Indoor use only!
Description
Parameter
Input: AC110V/220V 50/60Hz
Output : DC 5V 40A 200W max
Fix Screw Hole Diameter: 2.5mm (0.1inch)
Working temperature: -10 to 50 degree Celsius
Storage temperature: -20 to 60 degree Celsius
Environmental humidity: 10-95%
Material: Metal, Electronic Parts
Safety Compliance: CCC/ FCC / CE
Connection instruction
L/N: AC power input
+V: DC power output "+"
COM: DC power output "-"
+V ADJ: Adjust the output voltage (15%)
Kindly note
110V/220V must be selected by switch before using to avoid damaging. The power select (110v/220v) switch is located inside the case. Please use a small screw driver to reach in and change the switch to 110V for USA.
Statement:
Some customers complain that output power of 5V power supply is insufficient. After a series of tests, we find the reason is wrong test method, not quality issue.
Because of low voltage and large current, 5V power supply requires the test wire to be thick and short enough, so as to reduce the power loss as much as possible.
Compared with the 12V and 24V power supply, if the same current is to be output, 5V power supply needs a thicker output wire.
For example, if the 12V 20A power supply is tested by 11 AWG test wire,no current and voltage drop, no power loss.
But when we test 5V 20A power supply, in order to get sufficient 5V voltage and 20A current, 6 AWG test wire is required.
If we use 11 AWG test wire or 6 AWG test wire is too long, the current and voltage will drop much. This is the characteristic of the current transmission of 5V power supply.
The lower the output voltage is, the wider the transmission channel should be. If you need test report, please feel free to contact us.
Package included
1 x LED Switching Power Supply
4. LETOUR DC 12V Power Supply 40A 480W AC 96V-240V Converter DC 12Volt 40Amp 480Watt Adapter LED Power Supply for LED Lighting,LED Strip,CCTV
Feature
.DC 12V 40A POWER SUPPLY - Input: AC 110/220V Switchable; Output: DC +12V (Adjustable10%40A Maximum Power500Watts;.High-QUALITY RAW MATERRIALS - Pure Copper Inductors, High-performance Transformers, Dual-capacity Electrolytic Capacitors is The Guarantee of High-quality Power Supply;
.MULTIPLE PROTECTION - With Over-voltage Protection, Overload Protection, Overheating Protection and Prevent Short Circuit;
.TESTING & CERTIFICATION - This Power Supply is Finished After 48 Hours Burn-in , and Passed The CE and FCC Certification;
.WIDELY USED - High quality Switch Power Supply Widely Used in LED Strip, LED Display, Audio Power Amplifier, LED Lighting, Light Box Billboard, etc.
Description
Descriptions:
1Our switching power supply can provide you with more sufficient power,
2all products has CE and FCC certification,
3the factory 100% full load aging test;
4Input: AC 100-120V 1.3A 50/60Hz;AC200-240V 0.65A 50/60Hz, Output:DC +12V 40A;DC Output Power:500W;
5Factory direct sale and receive wholesale
Specifications:
Product Name: LED Switching Power Supply
Model: S-500W-12
Size: 9.45"x4.92"x2.56" (L*W*H)
Shell Material:Aluminum
Color: Silver
Net Weight:3.09lb Shipping Weight3.30lb
Connection:
1AC power input:L-live wire N-null wire & earth wire
2DC power output: -V/COM--Negative electrode +V--Positive electrode
3ADJ: Adjust the output voltage (15%)
Package Contents: 1 piece 12V 40A power supply
Note:
1Input port please follow the line L, N line & E line connection;
2the power matching the input voltage is not need to adjust the gear,;
3In-door use only, does not have waterproof function, please attention to waterproof!
5. TekPower TP1540E DC Adjustable Switching Power Supply 15V 40A Digital Display
Feature
Output Voltage: 0- 15V0-40A Current Output
Front AUX output 5A max
Fuse Protection
1 Year USA warranty
Description
The TekPower TP1540E is a professional DC regulated power supply from TekPower. This is a highly stable, high quality switching power supply with its output continuously adjustable at 0-15V DC and 0-40A for main output on the back. There is also an Aux output with 5A max on the front. This model is specifically designed with low ripple and noise. The unit comes with a large LCD displays, providing accurate readout for the voltage and current values. It has a build in fuse protection and comes with basic 1 year USA warranty.Features & Specifications:
Adjustable outputs: 0-15V and 0-40A Variable controls for both current and voltage outputs, front AUX outputs is 5A max
Input voltage: 110V
Ripple noise: 100 mV
Protection: Overload and overheat protection
Environment: 0-40C, relative humidity < 90%
Size: 13 X 3.5 X 8.5 inches
Weight: 6 lbs
Warranty: 1 year
Package:
TP1540E Power Supply
User Manual
Warranty Registration Card
6. Tripp Lite PR40 DC Power Supply 40A 120V AC Input to 13.8 DC Output TAA GSA
Feature
40 amp DC power supply, precision regulated AC to DC conversionSmaller footprint maximizes operating space
Automatic time-controlled overcurrent protection in case of overload
Solid state, integrated circuit maintains excellent regulation of output voltage
1 year warranty
Description
Precision regulated DC power supplies are ideal for commercial/land-mobile, ham and CB radios, test bench supplies, base stations, tape players and amplifiers. Designed for years of reliable service and superior performance, they efficiently convert 120 volts AC into 13.8 volts DC (+/-0.5V). The Trim Line Series of DC power supplies offers a low-profile design with a footprint that matches the most popular radios on the market, such as Motorola, Radius, GE Monogram Series and EF Johnson models. Compliant with the Federal Trade Agreements Act (TAA) for GSA Schedule purchases.Package Includes:7. AmpFlow SCN-1000-12 1000W, 80A, 12V DC Power Supply
Feature
Output: 12V DC, 80 Amps, 1000 WattsInput: 110V 220V AC
Protected from short-circuit and and temperature overload
Voltage adjustable plus or minus 10%
Size: 13 inches X 5.3 inches X 2.7 inches
Description
Connect this unit to 110 or 220 Volts AC household power and it will supply 1000 Watts of power at 12 volts DC, (80 Amps). If more than 40 Amps is required, our big 1000 Watt power supplies can be wired together in parallel to provide higher current.
Use this power supply to operate the AmpFlow DC motors. These power supplies are also commonly used for LED lighting and other applications requiring DC power from ordinary AC household current.
Every power supply goes through a full-load burn-in test so no defective unit leaves the factory. The power supply shuts down temporarily if the temperature, current, or voltage go beyond the safe operating range. The built-in fan turns on automatically when the unit gets warm, and short-circuit and overload protections help these units survive harsh operating conditions.
This high-efficiency power supply has an output voltage that is adjustable by plus or minus 10%. And it includes an EMI filter to minimize interference with radio signals, and a soft-start circuit that reduces the AC inrush current peaks.
AmpFlow power supplies are available in 5V, 12V, 24V, 36V, and 48 Volts at up to 1000 Watts or more.
This unit meets all the following safety and EMC standards:
UL 1950, EN60950, EN55022, EN100-4,2,4,5,6,8,11, IEC100-3-2, CE, ROHS
8. Rockville RW10CA 10" 800 Watt Under-Seat Slim Amplified Car Subwoofer +Wire Kit
Feature
Package: Rockville RW10CA 10" 800 Watt Peak/200 Watt RMS Slim Powered/Active Sealed Car Subwoofer With Bass Remote + Rockville RWK10 Complete 10 Gauge Wire Kit With Rca CablesRockville RW10CA 800 Watt 10" Slim Car Subwoofer. 800 Watts Peak / 200 Watts RMS. PWM MOSFET Power Supply. Low Level RCA Input. High Level Inputs with Auto Turn-On Technology. Adjustable Input Sensitivity. Soft Delayed Remote Turn-On. Thermal Protection Circuit, Short Protection Circuit. Overload Protection Circuit.
Phase Switch: 0 or 180. Low Pass Filter: 50Hz - 150Hz. Bass Boost: 0 - 18dB @ 45Hz. Subwoofer Level Remote Control. Built in Subsonic Filter @ 29Hz. Maximum Power RMS: 200 Watts. Impedance: 2 Ohm. Dimensions: 12.4 x 13.4 x 2.7 (L x W X H) Inches. Frequency Response: 20Hz - 150Hz. Sensitivity: 90dB @ 1w / 1m
Rockville RWK10 10 Gauge 2 Channel Car Amplifier Wiring Installation Kit. (1) 17 High Grade Twisted Pair of 100% Copper RCA Cable. 17' 10 Gauge Translucent Blue SuperFlex Power Cables. 17 18 Gauge Blue Remote Cable. 17 16 Gauge Clear Speaker Wire.
3' 10 Gauge Clear SuperFlex Ground Wire. Gold Plated AGU Heat Resistant Fuse Holder. 40 Amp ATU Inline Fuse. 7 Split Tube Loom. Accessories Included: Wire Ties, Ring Terminals, Butt Connectors, Spades, and Grommets. Soft abrasion proof insulating jacket allows for 100% improved flexibility. PVC outer jacket can with-stand an extreme temperature range of -40 to 220 degrees F.
Description
The RW10CA is an all in one solution to give you great sounding bass in your vehicle without taking up a ton of space. This sub enclosure is only 2.7" thick so that it can easily fit under your seat. The amplifier is built in, so installation and wiring is easy and clean.We wanted to truly make installation a breeze so we designed this unit with the user in mind from start to finish. We added high level inputs so you don't need a remote wire from your receiver to trigger the unit on and off. The smart circuit will sense that an audio signal is present and turn on your radio and a signal is present. When you turn off your music signal the amplifier built into this subwoofer system will automatically turn itself off. Using the high level input is also the fastest and easiest way to install an aftermarket amp subwoofer combination since you do not have to remove the receiver. You simply use the high level input and wire it to one of your speakers. Another thing we did to make installation a breeze is we put all the inputs and outputs on one side. This makes wiring neater and easier. Our competitors models are more challenging to install.
The RW10CA has 800 watts of peak power and 200 watts RMS. This model is CEA-2006 compliant which means the ratings are approved by a 3rd party so you can be 100% sure that this item will produce the power it says it will. This is one of the only slim underseat subs on the market that is CEA compliant. Do not get fooled by other brands who write bogus power ratings that do not comply with any industry standard. Even if another unit says 2000 watts on it, ours is better and louder.
This has amazing controls so you can tweak the sound to your liking. It has a level control for the volume, a subsonic filter to filter out the really low frequencies that the human ear can not hear. This also has a low pass crossover filter, phase control, and bass boost.
Included is a remote bass knob, and mounting hardware.
9. Pyramid Bench Power Supply | AC-to-DC Power Converter | 50 Amp Power Supply with Adjustable Voltage Control | Rack Mount (PS52KX)
Feature
Hobbyist Bench Power Supply - 46.0 Amp (Constant), 50.0 Amp (Surge) - 12V DC Linear / Regulated Power Supply DesignProvides Constant Source of DC Voltage - Simple Electronic Plug-in Operation, Hassle-Free Screw Terminal Connectors
AC-to-DC Power Conversion Safe for Work Station & Tabletop Placement - Built-in Cooling Fan - Power ON / OFF Switch
Eliminates the Need of Battery or Additional External Power Source - Built-in Electronic Overload & Short Circuit Protection
Rugged & Durable Cabinet Heatsink & Housing - Used for Component & Device Equipment Testing, Operation & Performance
Built-In Cooling Fan
40-Amp Constant/50-Amp Surge
Screw Terminal Connectors
Crowbar Over-Voltage Protection
Description
Pyramid Model : PS52KX50 Amp Hobbyist Bench Power Supply
Bench Power Supply, AC-to-DC Power Converter with Adjustable Voltage Control, Rack Mount (50 Amp)
Features:Technical Specs:
The Pyramid Power Supply provides convenient and reliable AC-to-DC power performance. Universal hardwired screw-type connection terminals are hassle-free and ensure compatibility with a wide range of device equipment & components. Simple electronic plug-in operation provides a constant source of DC voltage, allowing for quick and consistent power conversion. Switch-activated power control eliminates the need of an external battery or additional power source -- while the built-in electronic overload and short-circuit protection ensure safety of the operator & any connected electrical devices. The Pyramid Bench Power Supply is rack mountable and makes for a great addition to any hobbyist work desk or equipment testing station.
10. Regulated 50 Amp Compact Power Supply 13.8Vdc (9-15V Adj) w/ Volt - Amp Meter!
Feature
Super Compact Size! Great For High Power Amateur & Two Way Radios!Heavy Duty Rear 50A Red/Black Output Terminals, Front 10A Accessory Socket & Meter Too!
Can Be set to Fixed 13.8Vdc , or Adjustable 9-15Vdc. Meter Switchable For Volts or Amps.
Noise Offset control, Short Circuit & Current Limiting Protection, Fully Regulated & Filtered!
Input 110v-125Vac house current. Output DC 13.8V (or 9-15V adjustable), includes AC Power cord.
Description
Super Compact Heavy Duty 50A switching Power Supply.48A Cont / 52 Amp Peak output, 9-15Vdc adjustable, or fixed 13.8Vdc (switchable).
Noise Offset Control. Fully circuit regulated, filtered & protected!
Volt/Amp meter. Rear 50A Terminals, & front Accessory Lighter style outlet.
Great for 12V DC Amateur Ham Radios, HF SSB, Amplifiers, CB, Two way, Dual Band, Stereos, Marine electronics, & all other 12V DC items needing up to 50 Amps.
Input is House current 110-125Vac , Approx. Size Only = 7.76 x 3.7 x 10 inches ( 196 x 86 x 280mm )!