Best Adjustable Transformer in 2022 [*Top Picks*]

Looking for the best adjustable transformer on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

7845 Reviews Scanned

  • Mophorn 2000VA 20A Auto Transformer 110V 60Hz Input Voltage Digital Display 0-130V Output Automatic Voltage Regulator for US Plug
    Bestseller #1
    Mophorn 2000VA 20A Auto Transformer 110V 60Hz Input Voltage Digital Display 0-130V Output Automatic Voltage Regulator for US Plug (386)
      Built-in Cooper Coil: The voltage transformer is constructed with built-in copper coil for durability and high efficiency. More secure and durable and with no waveform distortion. AC Power Supply Adjustable: This is a brand new variable power supply. Input is single phase 110V AC, 60 Hz, output voltage can be adjusted from 0 to 130V AC. Maximum power rating is 2000 VA. Compact & High Accuracy: Featuring clear voltage output meter, and precise metal pressure gauge, the ac power supply is designed with high grade accuracy and compact for easy transport. 5 Security: Featuring a high accuracy, reliability and perfect limit current protection, thermal protection, voltage overload protection, short-circuit protection. A grounding port designed onto the device for much more stable and secure protections.    Wide Application: Widely used for motor speed control, label printing machine, labs, test for railroad switching, power supplies, satellite, equipment, telecommunication equipment, ect.
  • Adjustable DC Power Voltage Converter, MYSWEETY AC 110V-220V to DC 0-48V Module Switching Power Supply Digital Display 480W Voltage Regulator Transformer Built in Cooling Fan
    Bestseller #1
    Adjustable DC Power Voltage Converter, MYSWEETY AC 110V-220V to DC 0-48V Module Switching Power Supply Digital Display 480W Voltage Regulator Transformer Built in Cooling Fan (120)
      ✅Input voltage range is AC110-220V, output voltage range is DC 0-48V adjustable, output current can't be adjusted and it is up to your load, maximum output current is 10A, so this item will not fit for your device with over 10A current. ✅LED display shows you real-time voltage, which makes it more convenient for you to adjust voltage. Case Material: Metal; Main Color: Silver Tone. Widely used in Industrial automation, Radio, Broadcasting, LED display, communications, Security cameras, Lighting, Computer. ✅Equipped with temperature control cooling fan: it will automatically operate when this power converter need to be cooled without any noise. ✅Protection Function: over load protection, over voltage protection, short circuit protection, this protection will protect your load well. 🔺NOTE: before using, please select the input voltage 110V/220V according to your local voltage, to avoid damaging, switch is at right side of the item. ✅Special Atention: Do not work with overload. No switching power supply can be loaded with full current for a long time, and the long-term load cannot exceed 80% of the rated current. If you use inductive loads such as motors, fans, etc., please pay attention to the parameters of the motor's maximum starting current and locked-rotor current. This parameter should not be higher than the maximum current of the power supply, otherwise it may cause damage to the power supply.
  • UTUO Variable Power Adapter, 110V 120V 220V AC to 3~12V DC Adjustable Power Dimmable Transformer for Motor Speed Switch, LED Strip Light Brightness control, 12V 24 Watt 2A Output Max.
    Bestseller #1
    UTUO Variable Power Adapter, 110V 120V 220V AC to 3~12V DC Adjustable Power Dimmable Transformer for Motor Speed Switch, LED Strip Light Brightness control, 12V 24 Watt 2A Output Max. (35)
      Variable power adapter, 110-240V 50/60Hz input AC to DC power transformer integrated a 3-12V 2A 24 Watt (Max.) Output Dimmer. Stepless adjustable with Switch function, easy to power and control the motor speed or light brightness range from 3v to 12v, 2A,24 Watt Max. Simple and Fast Connection, Universal 5.5*2.1mm DC male jack with a solderless terminal for extra connection requirements. Built-in safety protection, over loaded protection, over temperature protection, short circuit protection. Compact and Universal, suitable for 12v dc fan, 12v dc blower, 12v led strip under max. wattage output.
  • uyoyous 2000W Variable Transformer 0-130V Output ac Variable Voltage Converter Transformer 20Amp ac Variable Voltage autotransformer Regulator for Industries Equipment Appliances
    Bestseller #1
    uyoyous 2000W Variable Transformer 0-130V Output ac Variable Voltage Converter Transformer 20Amp ac Variable Voltage autotransformer Regulator for Industries Equipment Appliances (66)
      👍Secure & quality materiel - Built-in copper coil, more secure and durable.High efficiency and with no waveform distortion. 👍Details - Enclosed, non-isolated, Adjustable transformer, with Output Volt Meter.On/Off Power Switch(Lighted), 20A fuse & power cord. 👍Perfect speed controller - The variable transformer is a great device for quality control testing, equipment testing on low and high voltage, control over heat, speed, and more. And because a transformer doesn't chop up the AC waveform like electronic speed controllers do, there's no noise, humming, etc. 👍Power Specifications - Max. 1800VA for continuous use , is also to prevent damage from the transformer itself and the appliance being used.Input Voltage: AC 110V/60Hz,Output Voltage: AC 0-130V/60Hz or 130-0V 👍Widely applications - Suit for home coffee roasting,Motor Speed control,Label Printing Machine,EE Labs,Test for Railroad Switching, Power Supplies, Satellite,Equipment,Telecommunication Equipment.
  • Transformers Autobots Color Shield Retro 80's Cartoon Embroidered and Printed Snapback Hat Snapback Cap Hat Black
    Bestseller #1
    Transformers Autobots Color Shield Retro 80's Cartoon Embroidered and Printed Snapback Hat Snapback Cap Hat Black (1019)
      CUSTOM DESIGN: This Transformers hat features a bold design that makes it a must-have for any 80's Cartoons fan! ADJUSTABLE SNAPBACK: Use the adjustable snapback to find the perfect fit OFFICIALLY LICENSED: This piece of fan merchandise from The Transfomrers Cartoon is officially licensed and 100% authentic, making it an excellent gift idea HIGH-QUALITY MATERIALS: The durable Cotton makes this Transformers snapback hat a long-lasting collectible and comfortable to wear
  • Uciefy T85 Rechargeable Wireless Mouse, 2.4G Ergonomic Silent Gaming Mice Portable Optical with USB Receiver, 3 Adjustable DPI, 6 Buttons LED Lights Compatible with Laptop/PC/Chromebook (Starry Black)
    Bestseller #1
    Uciefy T85 Rechargeable Wireless Mouse, 2.4G Ergonomic Silent Gaming Mice Portable Optical with USB Receiver, 3 Adjustable DPI, 6 Buttons LED Lights Compatible with Laptop/PC/Chromebook (Starry Black) (38)
      Built-in Rechargeable Battery: No need to change batteries. Up to 18 months of battery life virtually eliminates the need to change batteries (Battery life may vary based on user and computing conditions.) Auto-sleeping LED Light : The mouse will be automatically sleeping and LED light shut off for over 8 minutes of inactivity, it will turn to power saving mode to save energy. You can click any button to wake it up. Stable & Accurate Tracking: 2.4GHz wireless mouse, up to 10 meters ultra long-distance and stable wireless transmission. 3 adjustable DPI free switch to meet your needs with high precision. The higher DPI, the faster the cursor on your screen will move. Comfortable to Use: The ergonomic shape design plus scroll wheel with rubber and skin-friendly surface provide you the most comfortable feeling in hand for long time. And special soundless design for the right and left buttons, help you build a quiet atmosphere without disturbing others Convenience & Compatibility: The back and forward button will be very helpful when browsing web. Widely compatible with laptop/ computer that with USB port, support Windows XP, Windows Vista, Win7/8,10, Mac OS system.
  • SHNITPWR Universal AC to DC Adapter 3V ~ 24V 2A 48W Switching Power Supply 3V 5V 6V 9V 12V 15V 18V 19V 20V 24V 1A 1.5A 2 Amps Adjustable AC/DC Converter Transformer with 14 Tips & Polarity Converter
    Bestseller #1
    SHNITPWR Universal AC to DC Adapter 3V ~ 24V 2A 48W Switching Power Supply 3V 5V 6V 9V 12V 15V 18V 19V 20V 24V 1A 1.5A 2 Amps Adjustable AC/DC Converter Transformer with 14 Tips & Polarity Converter (510)
      Input: AC 100~240V, 50/60Hz ; Output: DC 3~24V Adjustable, Max 2A 48W ; It can supply with any voltage between 3~24V,such as 3V 4V 4.5V 5V 5.5V 6V 9V 12V 14V 15V 19V 20V 24V, etc and any amp less than 2A, such as 300mA, 500mA, 650mA, 1A, 1.5A, 2A. LCD display will show the output voltage, in case that wrong voltage regulation damage your device. It comes with an original 5.5x2.5mm tip and 14pcs frequently used tips: 6.5x4.4mm+Pin, 5.5x2.1mm, 5.5x3.0mm+Pin, 5.0x2.5mm, 6.3x3.0mm, 5.5x1.7mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5x0.7mm, Micro-USB, Type-C and DC terminal connector. You can screw wires onto it easily, perfect for DIY projects. We especially add a reverse polarity converter, which will double its application scope. The 48W all-in-one multipurpose AC/DC adapter fit for many 3~24V small household electronics such as LED strips, under-cabinet light, TV Box, smart speaks, wireless routers, essential oil diffuser humidifier, USB fan, Wifi camera, USB Hub, hard disk box, DC motor, DC pump, digital photo frame, DVR NVR surveillance system etc. Built-in multiple safety protection systems. Automatic over voltage cut-off, over current cut-off, over temperature cut-off, short circuit cut-off. We focus on producing premium quality and safety power adapters. No noise, no spontaneous combustion, no explosion, no fire hazard, safe to use. 6ft long power cable makes it convenient to use. Please choose correct voltage before plug it to your device. Wrong voltage may damage your device. We recommend to use less than 80% of the full load. We always stand behind our products. If there is any issue, please feel free to contact us. We have 30 days money back guarantee, 18 months exchange.
  • New Era Cap Men's Logo Scramble Autobot Transformers 9 Forty Adjustable Cap, Red, One Size
    Bestseller #1
    New Era Cap Men's Logo Scramble Autobot Transformers 9 Forty Adjustable Cap, Red, One Size (531)
      New era 9forty adjustable cap Logos screen-printed on the visor Woven character word mark on the back closure One size fits most
  • Transistor
    Bestseller #1
    Transistor (469)
      311- Transistor
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