Finding the best doorbell transformer suitable for your needs isnt easy. With hundreds of choices can distract you. Knowing whats bad and whats good can be something of a minefield. In this article, weve done the hard work for you.
Reviews
1. OhmKat Video Doorbell Power Supply - Compatible with Ring Video Doorbell 2 - Needs No Existing Wiring - Battery Charger, Transformer, Adapter, Power Kit & Supply All In One - Assembled in USA
Feature
Directly power your Ring 2 - installs in minutes - no need for an existing doorbell or new wiringWill charge your Ring 2 so you don't have to ever remove the battery.
Professionally tested to power the full functionality of your Ring Video Doorbell 2- not compatible with any other model
Fully self contained assembly - no additional components needed
Assembled and designed in the USA
Description
OhmKat Video Doorbell Power Supplies make installation of video doorbells quick and easy for anyone. By eliminating the need for electric doorbell wires, OhmKat makes video doorbell technology realistic for every door on every home. As long as you have an outlet close to the door, you can install the OhmKat Video Doorbell Power Supply in minutes. All Power Supplies have been thoroughly tested for safety, full feature operation of the video doorbell and ease of installation. To maintain the warranty, only install the Power Supply intended for the particular model noted. OhmKat is not endorsed by or affiliated with Ring or its parent company. Ring Video Doorbell 2 not included with purchase.2. NuTone C915 Junction Box Transformer for Door Chime
Feature
16-volt, 10VA transformer for use with most NuTone door chimes; order in standard package of six to help assist with your planning and still retain that economical edgeQuick install transformers, built to last so you should have fewer call backs
Fits in standard junction box - run one wire and the door chime is ready for use; installation convenience saves time allowing you to move on the next project quicker
One 16-volt, 10VA transformer needed for a single chime
cULus Listed for safety, ensuring you have a quality, reliable transformer that will pass inspection
Description
Not all transformers are equal. NuTone transformers feature an easy-to-install lock-mount or wall-mount that can reduce installation time by 25%. An additional unique feature is the thermal cut-off switch designed to shut off the door chime system in the event of excessive temperature. NuTone saves you time and money. 16-volt, 10VA transformer for use with most NuTone door chimes; order in standard package of six to help assist with your planning and still retain that economical edge. Quick install transformers, built to last so you should have fewer call backs. Fits in standard junction box run one wire and the door chime is ready for use; installation convenience saves time allowing you to move on the next project quicker. One 16-volt, 10VA transformer needed for a single chime. cULus Listed for safety, ensuring you have a quality, reliable transformer that will pass inspection. Junction box transformer design makes for an easy and quick connection to low voltage wiring, insert into the single-gang junction box, and the transformer is safely concealed behind the wall.3. ELK TRG1640 AC Transformer 16.5VAC, 45 VA
Feature
Auto-Resetting (PTC) Fused SecondaryGreen Power On LED
Grounding Prong & Terminal
Electrical outlet mounting tab
UL Listed, Wire Strain Relief, Lifetime Limited Warranty
Description
Plug-in AC Transformer, 16.5 VAC, 45 VA with Circuit Breaker4. Honeywell AT140A1000 40Va, 120V Transformer - 60 Hz.
Feature
Foot mounted, plate mounted, clamp mounted or panel mounted 120 Vac Transformer with Metal end bellsColor-coded leadwires for primary connections and screw terminals for secondary connections, fixed 1/4 inch (6 mm) male quick-connects or color-coded leadwires for both primary and secondary, are standard
Meet Underwriters Laboratories Inc. Standard UL 1585 and are identified. Class 2 not wet, Class 3 wet
Meet NEC Class 2 requirements
Foot mounted, plate mounted on 2x4 in. or 4x4 in. outlet box, clamp mounted using outlet box knockout, or panel mounted
Description
HONEYWELL 40 VA STEP DOWN TRANSFORMER *Converts 120V to 24V *Foot plate knockout mounting *120 primary voltage, screw terminals connections on secondary circuit *9" leadwire connections *Provides power to 24 vac circuits in heating / cooling systems *Intended for use in systems with predictable, uniform loads *UL listed5. AC Adapter AC/DC Doorbell Transformer 50/60Hz 110-240V 0.3A AC to 12V 1A DC
Feature
Input: 100 - 240 V AC, 50/60HzOutput Voltage: 12 V/500mA
Power cord length: 3.9ft/1.2m
Dimensions:3.3cm/1.3inchX2.8cm/1.1inchX5.3cm/2.1inch
Could perfectly compact with VueBell and other hardwired doorbell
6. NuTone C907 16V, 30VA Transformer
Feature
16-volt, 30VA transformer for powering multiple door chimes in one home; order in standard package of six to help assist with your planning and still retain that economical edgeQuick install transformers, built to last so you should have fewer call backs
One 16-volt, 30VA transformer powerful enough for up to three chimes saving you installation time
Dimension : D 2.54 x H 2.65 x W 2.19 inches
Description
Not all transformers are equal and this one is the most powerful transformer we offer. NuTone transformers feature an easy-to-install lock-mount or wall-mount that can reduce installation time by 25%. An additional unique feature is the thermal cut-off switch designed to shut off the door chime system in the event of excessive temperature. NuTone saves you time and money. 16-volt, 30VA transformer for powering multiple door chimes in one home; order in standard package of six to help assist with your planning and still retain that economical edge. Quick install transformers, built to last so you should have fewer call backs. One 16-volt, 30VA transformer powerful enough for up to three chimes saving you installation time.7. NuTone C909 Tri-Volt Transformer for Door Chime
Feature
8-volt, 20VA or 16-volt, 20VA transformer for use with multiple door chimes in one home; order in standard package of six to help assist with your planning and still retain that economical edgeQuick install transformers, built to last so you should have fewer call backs
One 8 or 16-volt, 20VA transformer needed for a single chime; multiple transformers needed for two chimes
cULus Listed for safety, ensuring you have a quality, reliable transformer that will pass inspection
Description
Not all transformers are equal. NuTone transformers feature an easy-to-install lock-mount or wall-mount that can reduce installation time by 25%. An additional unique feature is the thermal cut-off switch designed to shut off the door chime system in the event of excessive temperature. NuTone saves you time and money. 8-volt, 20VA or 16-volt, 20VA transformer for use with multiple door chimes in one home; order in standard package of six to help assist with your planning and still retain that economical edge. Quick install transformers, built to last so you should have fewer call backs. One 8 or 16-volt, 20VA transformer needed for a single chime; multiple transformers needed for two chimes. cULus Listed for safety, ensuring you have a quality, reliable transformer that will pass inspection.8. Craftmade T1610 Chime Transformer
Feature
Chime transformer from the chime transformer collectionHeight: 3.00 inches Width: 3.00 inches
Style: traditional light Type: chimes, alarms, vents
Description
There are many companies that offer lighting and fans, but only one Craftmade. No one else brings our experience, knowledge, training, design and dedication. Its whats built our reputation and sets us apart.9. OhmKat Video Doorbell Power Supply - Compatible with Ring Video Doorbell PRO - Needs No Existing Wiring - Transformer, Adapter, Power Kit & Supply All In One - Assembled and Designed in USA
Feature
Directly power your Ring Video Doorbell PRO - installs in minutes - no need for an existingdoorbell or new wiringDesigned for easy split assembly through door hole and molding
Enables LIVE VIEWor on demand viewing
Professionally tested to power the full functionality of your Ring Video Doorbell PRO - not compatible with any other models
Assembled and designed in the USA
Description
OhmKat Video Doorbell Power Supplies make installation of video doorbells quick and easy for anyone. By eliminating the need for electric doorbell wires, OhmKat makes video doorbell technology realistic for every door on every home. As long as you have an outlet close to the door, you can install the OhmKat Video Doorbell Power Supply in minutes. All Power Supplies have been thoroughly tested for safety, full feature operation of the video doorbell and ease of installation. To maintain the warranty, only install the Power Supply intended for the particular model noted. OhmKat is not affiliated or endorsed by Ring or its parent company. Ring Video Doorbell PRO not included with purchase.10. Broan BK125LWH NuTone Chime Kit (2 Lighted Push-Buttons, 1 Transformer)
Feature
Basic white textured cover for a design that blends with builder finishing techniques for multi-family dwellingsFor use with one or two entrances; two-note chime for front door, separate one-note tone for second door so no guest will be missed
Order as standard pack of 24 to assist with your planning and still retain that economical edge
Chime wires to a 16-volt transformer so you are assured of uninterrupted service and are never dependent upon batteries (transformer C905, included)
Description
High quality and innovative styles set NuTone builder kits apart from the others. Chime kits feature a graceful curved style cover with a rich, textured face. Sold in multiples to support housing projects, this chime is the perfect complement to the high quality materials today's consumers expect. Basic white textured cover for a design that blends with builder finishing techniques for multi-family dwellings. For use with two entrances; two-note chime for front door, separate one-note tone for second door so no guest will be missed. Order as standard pack of 24 to assist with your planning and still retain that economical edge. Chime wires to a 16-volt transformer so you are assured of uninterrupted service and are never dependent upon batteries (transformer C905, included). Two lighted rectangular shaped pushbuttons with non-stick action included so you have one less thing to buy and the convenience of a complete package. Refer to your local municipality building codes to be sure you are installing chimes that adhere to code since they vary by region.11. Honeywell RCA900N1008/N 16V Low Voltage Transformer
Feature
Output of 16 V AC 10 VAInput 120V AC 60Hz
Use with wired door chimes and pushes
Description
A low voltage transformer, the RCA900N features an output of 16V AC 10VA from a standard input of 120V AC 60 Hz and works with every Honeywell wired door chime product.12. Edwards Signaling 599 120V/24V 40W Transformer
Feature
Non-regenerative thermal overload protectionGrounding wire
Pre-stripped primary side pigtails
Screw terminal connections on secondary
120V AC / Secondary 24V AC 40 VA
Description
Edwards Signaling 599 Class 2 Signaling Transformers are easy to install, low voltage power sources for residential, commercial, and industrial uses. Mounts in a standard 1/2" (13mm) knockout or surface mounts using the provided foot mounts. These transformers are suitable for mounting in both plastic and metal back boxes. May also be used with the 593 transformer plate for enclosed mounting in a standard two gang outlet box. The Edwards 599 transformer offer high power for long wire runs or for applications requiring greater power such as door openers. Ideal for large apartments and building elevators. When selecting transformers, attention should be given to the power requirements of the signal or load and the wire run between the transformer and load.13. Thomas & Betts DH910 Wired 8,16 or 24 volt AC 20 Watt Transformer
Feature
The product is good to useThe product is highly durable
Manufactured in China
Description
8-16-24V AC, 20Va transformer, for use with single or multiple chimes, bells, buzzers & other applications within specified ratings, UL & CSA approved, clam shell pack. The product is good to use. The product is highly durable.14. Heath Zenith SL-125-02 Wired Door Chime Transformer
Feature
Low Voltage Hardwired TransformersWired Door Chime Transformer
Tri-Volt / Clamp-On or panel mount type
Input: 120VAC - Output: 8VAC-10VA, 16VAC-10VA, 24VAC-20VA
Description
SL-125 Doorbell Transformer. Install the Heath Zenith Wired Door Chime Transformer when replacing a door bell with a door chime. It features a Low-Voltage wired design and 3 options for electrical output: 8 VAC/10 VA, 16 VAC/10 VA or 24 VAC/20 VA.15. Everyday Door Bell Chime Transformer, 16V/10 VAC, Size: 1.125"
Feature
16 volt at 10 VACUse with 334300 wall chime bell
Footprint dimension: 1-1/8"
Quality at an Everyday Price