The Best 24v plug in transformer of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 24v plug in transformer of 2023. Check our ranking below.
2,217 Reviews Scanned
SaleRank No. #1
24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat
- Doorbell/Thermostat power solution: 24Vac 40VA wall transformer, using this Transformer to replace and upgrade the insufficient power transformer, can provide sufficient power for your thermostat and doorbell, save the trouble of frequent battery replacement
- Specification: input voltage: 120 VAC, 60Hz; Output voltage: 24V, 40VA ,No-load output voltage: 26.6V,SAFE AND STABLE auto-resetting (PTC) fused secondary, LED green power indicator
- Compatible With: This transformer compatible for Honeywell, Nest, Ecobee, and Sensi smart thermostats; Also compatible with Video Doorbell, Video Doorbell 2, Video Doorbell Pro, Nest Skybell Doorbell。Note: The brand above is only for demonstrating compatibilityyy
- Easy to install:Output with screw terminals, You can freely cut the connecting cable and arrange the cable according to the length you need to make the installation simple and beautiful
- Multimeter test products: When using a multimeter to test products, pay attention to using an AC voltmeter or multimeter to test the output voltage value, and use a voltage tester to measure accurate voltage output data. The no-load voltage output measured by the multimeter is about 26.6-28V, which is normal and does not affect any use.
Rank No. #2
AC 24 Volt Transformer, C Wire Adapter, Competible with All Versions of Ring Doorbell and Thermostat for Ecobee,Sensi and Honeywell, 315" Long Cable
- WIDELY USE: US power cable Powers your popular smart thermostats((Nest 1st/2nd, Ecobee, Honeywell, Sensi) and doorbells(Ring Video Doorbell, Ring Video Doorbell 2 & Ring Video Doorbell Pro,Nest Skybell , etc.) and other devices that require constant AC 24 volt power for operation, enables you to charge your devices safely.
- EASY TO USE:Assemble along the wall from your outlet to the doorbell and thermostat without the existing doorbell or wiring. Easy installation and be able to set up in minutes.
- LONG CABLE:Our cable is 8M(315 inch) long and you do not worry about the distance between the socket and the Honeywell Smart Wifi Thermostat. This allows you to easily plug it into an electrical outlet inside or outside your house.
- SAFE AND CONVENIENT :Our battery backup has gotten certificate. A quick fix to the problem of "Low batter" you can charge it directly(plug adapter into outlet and power up). that means you don't need to remove your honeywell thermostat in order to charge up the battery.With an AC output of 24V/500mA, a perfect tool to meet your needs.
- CUSTOMERS:WHAT YOU GET- 1. High quality accessory 2. 180 Days money-back 3 . Professional customer service. VIIVRIA has a professional team which has been specialized in designing and manufacturing transformers for a few years, improving technologies to meet consumers' needs.
Rank No. #3
Hotop 24 Volt Transformer, 40 VA AC Transformer Plug in with PTC Fuse Competible with All Versions of Ring Doorbell and Thermostat, Compatible with Nest, Ecobee, Sensi, Honeywell, 24V Adapter(1 Pack)
- Eliminate doorbell/ thermostat underpower hassle: 24V 40VA plug-in transformer replaces and upgrades underpowered transformer with this 24V AC transformer
- Specification: input voltage: 120 VAC, 60Hz; Output voltage: 24V, 40VA
- Safe and stable: auto-resetting (PTC) fused secondary, LED green power indicator, positive/ negative/ screw terminals
- Universal compatibility: this 24v transformer is compatible with Ring Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell doorbell
- Also compatible with Nest, Ecobee, Honeywell, and Sensi smart thermostats, and other devices that require constant 24-volt power for operation;
Rank No. #4
2 Pcs 24VAC 40VA Plug in Transformer Doorbell Transformer Compatible with Ring Doorbell, Ecobee, Sensi, Nest and Honeywell Thermostat Most Security Panels
- Basic Specifications: you will receive 2 pieces of 24V 40VA transformer, input is 120V, 60hz, output: 24V/ 40 VA; Tips: load voltage (when the doorbell is running) is 24V, no load output voltage is 26.6V, safe and stable automatic reset and LED green power indicator
- Doorbell Power Transformer: use this 24V plug in transformer to replace an under upgraded power transformer, which can provide sufficient power for your thermostat and doorbell, saving you the trouble of frequent battery replacement
- Simple Installation: the output is screw terminal, the connecting cable can be cut at will, and the length of the cable can be arranged according to the need, making the installation simple and beautiful; We only equip with plug in doorbell transformer, no other wires are included
- Safe and Guaranteed Quality: our ring doorbell inside house adopts PTC design for circuit protection, and avoids breaking the components in the circuit; Auto resetting, LED green power indicator, positive, negative, screw terminals, practical and useful
- Wide Compatibility: our ring doorbell transformer for ring is compatible with ring video doorbell, video doorbell, and other devices that require constant 24 volt power for operation; Note: the brand above is only for demonstrating compatibility
Rank No. #5
24V 830mA Thermostat and Doorbell Transformer, Wall Transformer with PTC Fuse Compatible with Nest, Honeywell, Ecobee and Sensi Thermostat, Nest Hello and All of Doorbells
- Doorbell/Thermostat power solution: 24Vac 830mA 20VA wall transformer, using this 24V AC transformer to replace and upgrade the insufficient power transformer, can provide sufficient power for your thermostat and doorbell, save the trouble of frequent battery replacement
- SPECIFICATION: input voltage: 120 VAC, 60Hz; Output voltage: 24V, AC 830mA 20VA SAFE AND STABLE auto-resetting (PTC) fused secondary, LED green power indicator
- Compatible With: This wall transformer compatible for Honeywell, Nest, Ecobee, and Sensi smart thermostats; Also compatible with Video Doorbell, Video Doorbell 2, Nest Skybell Doorbell
- Easy to install:Output with screw terminals, You can freely cut the connecting cable and arrange the cable according to the length you need to make the installation simple and beautiful
Rank No. #6
Doorbell Transformer 24VAC 40 VA AC,Plug in Transformer,Plug in with PTC Fuse Compatible with All of Doorbell & Thermostat
- [VERSATILE]: This 24V Doorbell Transformer is a useful accessory for installation of wired video doorbells or for smart thermostats on older HVAC systems, providing ample power for your devices without worrying about insufficient voltage.
- [UL CERTIFIED]: With UL certification, this Doorbell Transformer is easy to install and safe, ensuring stable power supply to your devices.
- [CONVENIENT DESIGN]: The Doorbell Transformer features an electrical outlet mounting tab, auto-resetting (PTC) fused secondary, LED green power indicator, as well as positive and negative grounding screw terminals, making installation hassle-free.
- [SPECIFICATIONS]: The output of the Doorbell Transformer is 24V/40VA, the input is 120V/AC 60HZ, and the no-load voltage is about 26-28V. When using an AC adapter, confirm the voltage value by using a meter.
- [COMPATIBILITY]: The Doorbell Transformer is compatible with devices like Nest, Honeywell, Ecobee, and Sensi smart thermostats and other doorbell systems, ensuring stable and reliable operation. Whether you bought the wrong transformer or the product has quality problems, the manufacturer promises a 100% refund or unconditional replacement for new products, giving you peace of mind.
SaleRank No. #7
Doorbell Transformer 24V Adapter for Ring Video Doorbell, 16.4ft Long C Wire Power Supply, Compatible with Ring, Nest Hello, Wyze and Eufy Video Doorbells
- Wide Compatiblity - 24v universal US power cable powers popular smart doorbells. Compatible with Ring video doorbell (2020 release, 3/4/plus, and pro 1/2), Nest, Eufy, Skybell, Arlo, etc. Continuously converts 110/120v to 24volt 500ma.
- Safe and Convenient - “Low battery” issues is solved. The adapter is a quick and convenient way to charge your smart doorbells continuously. Now get rid of all battery issues and with no more interrupt or any safety concerns.
- Certificated Safety Adapter - A certificated battery backup is stable and sturdy for years use. A waterproofed 16.4ft cable is long enough for you to put the doorbell any where higher or lower on your wall.
- Easy to Install and Maintain - Assemble along the wall from your indoor outlet to the doorbell. The non-polarity wire is much easier for quick installation.
- Guaranteed Quality - Package includes 1 transformer adapter with 10 cable clips. 30-day money back. 24/7 professional service team. Contact if you have any questions.
SaleRank No. #8
MG ELECTRONICS MGT2420 TRANSFORMER,24VAC 20VA UL APPROVED
- 20VA
- 24V
- 60HZ
- 830MA
- CHASSIS MOUNT TRANSFORMER
Rank No. #9
Ousaly 24V500mA Doorbell Power Adapter, 24V Transformer Compatible with Ring Doorbell,Video Doorbell,Nest, Ecobee, Sensi and Honeywell Thermostats, 24 Volt 500mA C-Wired AC Plug in Cord 16.5FT
- Upgraded 24V Thermostat Transformer - With the upgraded system, the new adapter is more stable and without noise during use. Continuously transfer 110/120v to 24volt Make your thermostat works more stable and safe.
- Low Battery Issue is Solved - The adapter is a quick and convenient way to charge your smart thermostat continuously. Now get rid of all battery issues and with no more interrupt or any safety concerns.
- Certificated Safe to Use - Made of high quality fireproof material and pure copper plugs. A waterproofed 196.8in cable is long enough for you to put the thermostat any where higher or lower on your wall.
- Wide Compatibility - This plug in adapter is compatible with Honeywell, Nest, Ecobee, Emerson, Ecobee4 Smart WiFi thermostat, etc.
- 【Satisfaction Guaranteed 】:2 months Warranty, any queries or problem, please freely get in touch with us and we commit to provide you with 100% satisfied products and service.
Rank No. #10
HQRP 24V AC Adapter Transformer Compatible with Ecobee Google Nest Honeywell Emerson Ecobee4 Smart WiFi Thermostat, Wyze Ring Blink Video Doorbell C-Wire, 25ft Cable, ETL Listed
- HQRP® Replacement AC Adapter; ETL Listed;
- Input: 120V AC; Output: AC 24V, 300mA; 25ft Cable;
- Safety Features: High Efficiency and Reliability; Automatic Overload cut-off;
- Automatic Thermal cut-off; Short circuit and Over Voltage protection; Low Interference & Noise; 1 Year warranty!
- Compatible With Ecobee Google Nest Honeywell Emerson Ecobee4 Smart WiFi Thermostat, Wyze Ring Blink Video Doorbell C-Wire, 25ft Cable;
Rank No. #11
24VAC 50VA Wall Transformer with PTC Fuse Compatible with All Versions of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat,Water Solftener,Screw Terminal Output
- Doorbell/Thermostat power solution: 24V 50VA wall transformer, replaces and upgrades underpowered transformer with this 24V AC transformer, offering plenty of power for your water solftener ,thermostats and doorbells
- SPECIFICATION: input voltage: 120 VAC, 60Hz; Output voltage: 24V, AC 50VA SAFE AND STABLE auto-resetting (PTC) fused secondary, LED green power indicator,With safety ground pin
- Compatible With: This wall transformer compatible for Honeywell, Nest, Ecobee, and Sensi smart thermostats; Also compatible with Video Doorbell, Video Doorbell 2, Video Doorbell Pro, Nest Skybell Doorbell, andwater solftener, Smart Sprinkler Controller。Note: The brand above is only for demonstrating compatibilityyy
- Easy to install:Output with screw terminals, You can freely cut the connecting cable and arrange the cable according to the length you need to make the installation simple and beautiful
- Multimeter test products: When using a multimeter to test products, pay attention to using an AC voltmeter or multimeter to test the output voltage value, and use a voltage tester to measure accurate voltage output data. The no-load voltage output measured by the multimeter is about 26.6-28V, which is normal and does not affect any use.
SaleRank No. #12
MG Class II Transformer - 24 Volt AC, 40 VA, UL/CSA Approved : MGT-2440
- Positive / Negative / ground Screw Terminals.
- LED Indicator. No user manual or documentation in the box.
Rank No. #13
BVPOW Voltage Converter Transformer 110/120V to AC 24V/2.5A,60-Watt Waterproof Power Supply Converter for Swimming Pool Light, Water Pump, Outdoor Light, Spotlights
- 120V ac to 24V ac transformer-Small and compact,easy to install,Power:60W, Input 100-120 V AC, Output 24v AC 2.5 A. IMPORTANT NOTE: The transformer output is AC, NOT DC!!!
- AC to AC Power Converter-It will convert your AC 120V power to AC 24V power for swimming poor lights, outdoor light, fans, atomizer, spotlights and more
- Waterproof Step Down Voltage Transformer Converter-Waterproof rating: IP68,it can directly put into the water
- Product Performance: 12V transformer, accurate voltage regulator,Overload protection, overvoltage protection, short circuit protection, the output of small waves, high efficiency and long life
- Package: 1 X24VAC 60-Watt Waterproof Power Supply Converter for Swimming Pool Light, Water Pump, Outdoor Light, Spotlights，12 month warranty
Rank No. #14
Rollerhouses 24V 1A 24W White Plug-in Transformer DC Wall Charger Adapter/Power Supply Adapter w/5 Ft Cable, AC 100-240V to DC 24V Power Converter White
- Regulated switching power supply with 5 Ft of connected 22AWG cable, 2 Prong Non-Polarized Plug
- Input Voltage: 100-240VAC 50/60Hz @ 0.8Amp Max Output Voltage: 24V DC at 1 Amp 24 Watt
- Working for 24V Motors = ES2524 Rollup, EY2524 and WireFree Tilt
- Dimensions: 2.76” L x 1.7”W x 1.18”H (not Including Outlet Prongs),can be plugged into 1 Duplex Outlet
- UL Listed Class II Power Supply, Invidiually packed, compact design, as well as white color, makes it perfectly suitable for office or residential decors.
Rank No. #15
24VAC 40VA Plug in Doorbell Transformer Compatible with All of Doorbell Nest Ecobee Sensi and Honeywell Thermostat with UL Certificate
- Specification: Input voltage: 120 VAC, 60Hz Output voltage: 24V, 40 VA
- Safe and stable: Auto-resetting (PTC) fused secondary LED green power indi
- UL certified:( Model PS-D40) UL certification passed
- Easy installation: Electrical outlet mounting tab
- Universal compatibility: This 24v transformer is compatible with Ring vid
SaleRank No. #16
24Volt Power Adapter/Transformer,C-Wire Adapter Thermostat，Compatible with Honeywell,Ecobee,Nest and Sensi Smart Thermostat Pro(25Foot /7.6M Cable)
- HOME USE: Plug the transformer into your standard 120V outlets and converts to 24volt AC current.
- SUPPORTED DEVICES: The 24v power adapter can not only power for popular smart thermostats such as Nest, Honeywell, Ecobee, Hive, Emerson Sensi, but also can convert to 24 volt AC current for other devices that require 24v current for operation.
- TECHNICAL SPECIFICATIONS: input voltage is 120 V AC, 60 Hz; Output voltage is 24 V, 300mA/AC，Note: The brand above is only for demonstrating compatibilityyy
- INSTALLATION :To prevent no power output, you must ensure that the terminals are stripped and securely clamp the screw terminals into the thermostat to maintain good contact，2pin non-polarity wires to ensure easy and error free installation for installers of all skill levels and knowledge bases,If your wiring is complicated, please ask a professional electrician for help.
- EXTRA LONG CABLE: 7.6M (25ft) long cable enables you to install the cable along the wall and connect to the electrical outlet inside or outside.For Nest E connected this adapter to C and R pins (R also having the HVAC's Red line connected),For Nest Learning Thermostat,3rd generation connected adapter to the Cand RC pins
Rank No. #17
EPLZON 24V 830mA Plug in Thermostat and Doorbell Transformer Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat and All Versions of Ring Doorbell
- ✅Plug in Alarm System Transformer for your Security System
- ✅Input voltage: 120 VAC, 60Hz; Output voltage: 24V, AC 830mA 20VA SAFE AND STABLE auto-resetting (PTC) fused secondary, LED green power indicator
- ✅Easy to install: screw down and thread clamps to electrical box
- ✅Powers thermostats and doorbells: replace underpowered transformers
- ✅This 24 V transformer fits for Honeywell and Sensi smart thermostats; Nest, Ecobee,Also compatible with Ring Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell Doorbell, and other devices that require constant 24 volt power for operation
Rank No. #18
24VAC, 40 VA AC Plug in Doorbell Transformer with PTC Fuse Compatible with Most Doorbell and Thermostat
- ✔️SPECIFICATION: input voltage: 120 V AC, 60Hz; Output voltage: 24V, 40VA safe and stable
- ✔️SPECIFICATION: input voltage: 120 V AC, 60Hz; Output voltage: 24V, 40VA safe and stable
- ✔️UNIVERSIAL TRANSFORMER PLUG: Our Transformer is compatible with most type of doorbell in the marker such as Ring video doorbell, Ring doorbell 3, Eufy video doorbell, Nest Skybell doorbell, also compatible with Nest, Ecobee, Honeywell and Sensi smart thermostats, and other devices that require constant 24 volt power for operation
- ✔️UNIVERSIAL TRANSFORMER PLUG: Our Transformer is compatible with most type of doorbell in the marker such as Ring video doorbell, Ring doorbell 3, Eufy video doorbell, Nest Skybell doorbell, also compatible with Nest, Ecobee, Honeywell and Sensi smart thermostats, and other devices that require constant 24 volt power for operation
- ✔️SATISFACTION GURENTEE: If you have any problem with this product, please feel free to contact us via email.
Rank No. #19
Ousaly Doorbell Power Adapter, 24V Transformer Compatible with Ring Doorbell,Video Doorbell,Nest, Ecobee, Sensi and Honeywell Thermostats, 24 Volt 500mA C-Wired AC Plug in Cord,C Wire Adapter 26.2FT
- [Product parameters] The doorbell transformer input 110V/120V AC 60Hz, output 24V 500mA, can continuously convert 110/120V to 24V 500mA, and continuously supply power to the doorbell. The charging cable length is 315in (8M).
- 【Extra Long Cable】315in is long enough to connect to your doorbell or smart thermostat perfectly, no need to worry about the distance between the socket and the doorbell or smart thermostat.
- 【Use with confidence】 Our power adapter for doorbells keeps your device constantly powered , and continuously operate without interruption. The power adapter have overheat protection, over-current protection, overload protection, over-voltage protection.
- 【Compatibility】Compatible with Nest Hello Doorbells, Ring Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro and Ecobee,Sensi, Nest, Honeywell, Emerson smart thermostats.
- 【After-sale service】: If you are not completely satisfied with our products, you can ask for a replacement or a full refund.If you have any questions, please feel free to contact us.
Rank No. #20
24 Volt Transformer C Wire Adapter for Most Thermostats with Doorbells, 26Ft Long Power Adapter, Compatible with Ring Honeywell Nest Hello Emerson Ecobee Wyze Eufy Video Sensi Smart WiFi Supply Cord…
- Features:(Input AC 120V, 60Hz 0.2A) plugs into your standard 110 v/120 v outlet and converts to 24 volt 500 ma AC current.(white)
- Wide Compatiblity: Power your Doorbells [ Nest Hello doorbell, Ring Video Doorbell (2020 release, 3/4/plus, and pro 1/2), Zmodo WiFi smart doorbell, Nest, Arlo, Ring, Amcrest, Wyze, Logitech, Eufy, Remo, SkyBell, Simplysafe etc.] and other devices that require constant 24 volt power for operation, enables you to charge your devices safely.
- Wide Compatiblity: Power your smart Thermostats （Nest, Sensi, Ecobee, Honeywell, Emerson, Hive, etc )and other devices that require constant 24 volt power for operation, enables you to charge your devices safely.
- Easy To Use: 2 pin non-polarity wires support easy and quick install, Assemble along the wall from your outlet to the doorbell and thermostat without the existing doorbell or wiring. 26ft (8M/315 inches) extra long cable
- Safe and Convenient: in 2A thermal fuse short-circuit protection, Prevent short circuit, overvoltage, overcurrent, overheat, ensure charging safety. If you have problems after purchase, please keep in touch with us and we will reply you immediately.
Last update on 2023-08-02 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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