10 BEST POWER TRANSFORMERS for sale in 2021 – compare between the best power transformers on sale.

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1
Rextin DC 12V 400W 33A Regulated Transformer Power Supply Driver SW For LED Strip Lights (400W)
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Product Highlights
  • Led power supply transformer driver SW, Input: AC 110V/220V 50/60Hz, Output: 12V 33A 400W
  • Smart device surge protection for Short-circuit Protection, Overload Protection, Over Voltage,Over Temperature Protection. High efficiency, High Reliability, Low Temperature Rise
  • Certificates: CE/RoHS/FCC Approved
  • Warnings: Don't open or modify the led power supply. Please leave children, kids far away from high voltage power source. Please use it under professional electrician's guides. Any abuse or improper use will void warranty.

$28.98
2
PowerBright Step Up & Down Transformer, Power ON/Off Switch, Can be Used in 110 Volt Countries and 220 Volt Countries, Convert from 220-240 Volt to 110-120 Volt AND from 110-120 Volt to 220-240 (500W)
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  • 500 Watts continuous power
  • On and Off Switch
  • 2 Spare Fuses Included
  • FREE Grounded Adapter Included

$44.99$34.99
3
ALITOVE DC 24V 10A 240W Power Supply Adapter Transformer Switch AC 110V / 220V to DC 24V 10amp Universal Regulated Switching Converter for LED Strip Light CCTV Camera Security System
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Product Highlights
  • Input: 110V/220V AC; Output: DC 24V 10A max. Output voltage is adjustable 10%. Two sets of output Channel.
  • Safety features: Automatic overload cut-off, over Voltage cut-off, automatic thermal cut-off, short circuit protection.
  • Voltage consistency: There is no voltage fluctuations to speak of at power on, during transmit, receive, or at power off.
  • There is no fan inside the case, silent running. Metal case with many holes makes heat dissipation more efficient.

$20.99
4
Goldsource 500W Step Up & Step Down Voltage Transformer Converter, STU-500 Heavy Duty Continuous AC 110-120V to 220-240V Converter with US Standard & Universal Outlets and DC 5V USB Port, 500 Watt
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Product Highlights
  • VOLTAGE CONVERSION: This CE Certified 500W step-up and step-down AC voltage transformer offers a safe, cost-effective and easy solution to convert from 110-120V up to 220-240V or from 220-240V down to 110-120V at 50Hz or 60 Hz for both home use and commercial applications. Most suitable and cost-effective for devices such as game consoles, LCD TVs with screen size less than 55”, desktop computers, and devices with the Maximum Power Consumption (MPC) between 200 and 350 watts.
  • SIMULTANEOUS 3-MODE OUTPUT: 2 grounded AC outlets, one 110V US standard outlet and one 220V Universal outlet, and a 5V DC standard USB outlet. These three outputs can be used simultaneously and continuously.
  • GREAT FOR TRAVEL: The compact size allows for easy transport. The portable design lets you conveniently bring it when traveling to other countries. The input voltage selector (110V/120V/220V/240V) on the back lets you use the appropriate input depending on local voltage standard. Heavy-duty power cord and a grounded European Schuko plug adapter are included for use in Europe and Asia.
  • FUSE/CIRCUIT PROTECTION: The transformer is equipped with fuse and circuit protection for safety and security as well as ensuring the longevity of connected devices/appliances. 2 spare fuses are included.

$37.95
5
12V9W Led Class 2 Power Supply, IP44 Waterproof LED Adapter Driver Transformer for Christmas Tree, String Light, Projector Light, Lawn Lamp
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Product Highlights
  • Output VoltageDC12V, 750mA, Rated Watts 9W. Output Voltage Accuracy Up to 100%, Voltage Regulation Up to 100%.
  • Input Voltage AC100V-240V, 50-60Hz 0.25A.
  • Steady On ModeNote:12V9W power supply is only with steady on mode not flashing mode.
  • Waterproof IP44 ETL listed for outdoor and indoor use.

$13.99
6
Litever Power Supply, LED Transformer, 12VDC 3 Amps,110VAC to 12V DC, Max Output 3A, 36W. Standard 110VAC US Input Plug, 5.5mm x2.1mm Output Connector, for LED Light Strip and More
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Product Highlights
  • Suitable for Litever LED Under Cabinet LED Lighting Kit LL-008 Series and various other 12VDC LED lights and other equipments.
  • Premium high quality quiet LED power adapter. UL listed, Class 2 power supply.
  • Safe power supply. Short circuit protection design with built-in input current fuse. Built-in over-temperature protection design.
  • Input: 100~240VAC, 50/60Hz. Standard US plug with 120CM cable.

$15.99
7
Malibu 120 Watt Power Pack with Sensor and Weather Shield for Low Voltage Landscape Lighting Spotlight Outdoor Transformer 120V Input 12V Output 8100-9120-01
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584 Reviews
Product Highlights
  • RISK FREE GUARANTEED! Transformer Construction: The 120 watt transformer is made of durable plastic with a length of 4.7 inches, a width of 3.4 inches and a height of 7.5 inches. It can be placed outdoors for direct use and be protected against all severe weather conditions. The total power of the lamp is best not to exceed 75% of the power pack’s capacity
  • FOR LOW-VOLTAGE LANDSCAPE LIGHTS: the 120V AC family voltage is converted to 12V AC safety voltage
  • LIGHT CONTROL TIMING: Malibu transformers connect light sensors that sense light, transformers start automatically at dusk; set the time so that your landscape lights automatically turn on at dusk and automatically shuts off at dawn
  • QUICK AND EASY TO INSTALL: directly mount outdoors and can be placed on the wall or mailbox side

$76.72$69.99
8
Kammoy 2PC Led Class 2 Power Supply US Plug Adapter Waterproof IP44 Low Voltage LED Driver Transformer Replacement Part for LED Light (12V9W) (2PC)
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Product Highlights
  • Wide ApplicationThis power adapter is designed for Low Voltage Device, suitable for some Christmas Trees, String Light, Projector Light, Lawn Lamp, Fountain Lights Christmas inflatables, Banner light and so on.
  • Steady On ModeNote:12V9W power supply is only with steady on mode not flashing mode.
  • Output VoltageDC12V, 750mA, Rated Watts 9W. Output Voltage Accuracy Up to 100%, Voltage Regulation Up to 100%.Note: Please pay attention to whether the power, voltage and current of your LED string or other equipment are suitable for use on our plugs. If the power difference is too large, please do not buy this product, please consult us if you are not clear.
  • Input Voltage AC100V-240V, 50-60Hz 0.25A.

$16.99
9
1500W Auto Step Up & Step Down Voltage Transformer Converter, ST-Pro Series Heavy-Duty AC 110/220V Converter with US Standard, Universal, Schuko AC Outlets & DC 5V USB Port by Goldsource
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155 Reviews
Product Highlights
  • ★EASY START FUNCTION: This premium and highly functional transformer converter has a soft-start circuit is built inside to prevent an inrush current at the starting moment. Home circuit breaker not trip off at the starting moment. It comes with four input voltages selectable: 110V/200V/220V/240V.
  • ★HIGHLY FUNCTIONAL CONVERTER: This CE Certified step-up and step-down AC voltage transformer has the ability to convert from 110V up to 220V or from 200/220/240V down to 110V. (Please note a voltage converter does NOT change the frequency, in another word, what goes in is what comes out, either 50 Hz or 60Hz)
  • ★BEST EFFECTIVE TRANFORMER CONVERTER: Unlike other converters, we have designed this one with 2,000 watts Maximum Load Capacity (MLC), most suitable and cost-effective for devices such as rice cookers, hot water pots, household food mixers, blenders with the Maximum Power Consumption (MPC) between 600 and 1050 watts.
  • ★QUALITY STABLE OUTPUT CONSUMPTION: This voltage transformer has 100% loading capacity. It has 4 AC outlets including two 110V US standard, one 220V Universal and one German/French Schuko plus one DC 5V USB which makes it work perfectly well.

$79.95
10
24VAC, 40 VA AC Transformer Plug in with PTC Fuse Compatible with Ring Nest Doorbell Thermostats UL Certified
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Product Highlights
  • ELIMINATATE DOORBELL/ THERMOSTATS UNDERPOWER HASSEL: 24V 40VA plug in transformer, replaces and upgrades underpowered transformer with this 24V AC transformer, offering plenty of power for your thermostats and doorbells
  • SPECIFICATION: input voltage: 120 VAC, 60Hz; Output voltage: 24V, 40VA
  • SAFE AND STABLE auto-resetting (PTC) fused secondary, LED green power indicator, positive/ negative/ ground screw terminals
  • UL CERTIFIED AND EASY INSTALLATION: electrical outlet mounting tab

$15.99

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