![24V 40VA Thermostat and Doorbell Transformer, Power Supply Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell (Style 1) - - Amazon.com 24V 40VA Thermostat and Doorbell Transformer, Power Supply Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell (Style 1) - - Amazon.com](https://m.media-amazon.com/images/I/51+wkI1HtoL._AC_.jpg)
24V 40VA Thermostat and Doorbell Transformer, Power Supply Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell (Style 1) - - Amazon.com
![Amazon.com: Class II Transformer - 24 Volt AC, 40 VA, UL/CSA Approved : MGT-2440 (2 Pack) : Electronics Amazon.com: Class II Transformer - 24 Volt AC, 40 VA, UL/CSA Approved : MGT-2440 (2 Pack) : Electronics](https://m.media-amazon.com/images/I/41gC54FU+gL._AC_.jpg)
Amazon.com: Class II Transformer - 24 Volt AC, 40 VA, UL/CSA Approved : MGT-2440 (2 Pack) : Electronics
![Amazon.com: UpBright New 24V AC/AC Adapter Compatible with Stancor STA-4824B AEC-4824B STA-48248 AEC-48248 Plug-in Class 2 Transformer 24VAC 450mA Power Supply Cord Cable PS Wall Home Battery Charger PSU : Electronics Amazon.com: UpBright New 24V AC/AC Adapter Compatible with Stancor STA-4824B AEC-4824B STA-48248 AEC-48248 Plug-in Class 2 Transformer 24VAC 450mA Power Supply Cord Cable PS Wall Home Battery Charger PSU : Electronics](https://m.media-amazon.com/images/I/41KPPEYmvGL._AC_.jpg)
Amazon.com: UpBright New 24V AC/AC Adapter Compatible with Stancor STA-4824B AEC-4824B STA-48248 AEC-48248 Plug-in Class 2 Transformer 24VAC 450mA Power Supply Cord Cable PS Wall Home Battery Charger PSU : Electronics
![Amazon.com: ALITOVE 24V 3A 72W AC to DC Adapter Power Supply Converter AC 100V ~ 240V to DC 24V 3amp Transformer with 5.5x2.1mm DC Output Jack for 5050 3528 LED Strip Module Amazon.com: ALITOVE 24V 3A 72W AC to DC Adapter Power Supply Converter AC 100V ~ 240V to DC 24V 3amp Transformer with 5.5x2.1mm DC Output Jack for 5050 3528 LED Strip Module](https://m.media-amazon.com/images/I/41X5uUqh6hL._AC_.jpg)
Amazon.com: ALITOVE 24V 3A 72W AC to DC Adapter Power Supply Converter AC 100V ~ 240V to DC 24V 3amp Transformer with 5.5x2.1mm DC Output Jack for 5050 3528 LED Strip Module
![Amazon.com: SHNITPWR 24V 1A Power Supply Adapter 100V~240V AC to DC Converter Transformer 24 Volt 1000mA 800mA 600mA 400mA Available 5.5x2.5mm Tip for CCTV WiFi Camera Essential Oil Diffuser : Electronics Amazon.com: SHNITPWR 24V 1A Power Supply Adapter 100V~240V AC to DC Converter Transformer 24 Volt 1000mA 800mA 600mA 400mA Available 5.5x2.5mm Tip for CCTV WiFi Camera Essential Oil Diffuser : Electronics](https://m.media-amazon.com/images/I/41+mwPpFkQL._AC_.jpg)
Amazon.com: SHNITPWR 24V 1A Power Supply Adapter 100V~240V AC to DC Converter Transformer 24 Volt 1000mA 800mA 600mA 400mA Available 5.5x2.5mm Tip for CCTV WiFi Camera Essential Oil Diffuser : Electronics
![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 - - Amazon.com 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 - - Amazon.com](https://m.media-amazon.com/images/I/4169CrSPn0L._AC_.jpg)
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 - - Amazon.com
![24 Volt Transformer, C Wire Adapter for Nest Honeywell Ecobee and Sensi ThermostaDoorbell Transformer for Nest Hello Doorbell and Any Doorbells Require 24V Power Supply - - Amazon.com 24 Volt Transformer, C Wire Adapter for Nest Honeywell Ecobee and Sensi ThermostaDoorbell Transformer for Nest Hello Doorbell and Any Doorbells Require 24V Power Supply - - Amazon.com](https://m.media-amazon.com/images/I/41MjZ-8L-CL._AC_.jpg)
24 Volt Transformer, C Wire Adapter for Nest Honeywell Ecobee and Sensi ThermostaDoorbell Transformer for Nest Hello Doorbell and Any Doorbells Require 24V Power Supply - - Amazon.com
![Amazon.com: Packard - PACKARD - PF42440 Control Transformer Class Ii Foot Mount, 40V/24V : Electronics Amazon.com: Packard - PACKARD - PF42440 Control Transformer Class Ii Foot Mount, 40V/24V : Electronics](https://m.media-amazon.com/images/I/41y0PKm05wL.jpg)
Amazon.com: Packard - PACKARD - PF42440 Control Transformer Class Ii Foot Mount, 40V/24V : Electronics
![Amazon.com: 24V AC/AC Adapter for Model NFA-24V450-IP20 NFA-24V450IP20 NFA-24V350-IP20 NFA-24V350IP20 Chang Zhou Nanfang Enterprise Co, Ltd Class 2 Transformer 24VAC Power Supply Cord Charger : Musical Instruments Amazon.com: 24V AC/AC Adapter for Model NFA-24V450-IP20 NFA-24V450IP20 NFA-24V350-IP20 NFA-24V350IP20 Chang Zhou Nanfang Enterprise Co, Ltd Class 2 Transformer 24VAC Power Supply Cord Charger : Musical Instruments](https://m.media-amazon.com/images/I/51VXChEJETL._AC_SY1000_.jpg)
Amazon.com: 24V AC/AC Adapter for Model NFA-24V450-IP20 NFA-24V450IP20 NFA-24V350-IP20 NFA-24V350IP20 Chang Zhou Nanfang Enterprise Co, Ltd Class 2 Transformer 24VAC Power Supply Cord Charger : Musical Instruments
![24 Volt Transformer, C Wire Power Adapter Compatible with Wyze Video Doorbell, 24VAC 500mA Transformer UL Certified with 16.4 Feet Cable Supply Power with Wyze HD Chime - - Amazon.com 24 Volt Transformer, C Wire Power Adapter Compatible with Wyze Video Doorbell, 24VAC 500mA Transformer UL Certified with 16.4 Feet Cable Supply Power with Wyze HD Chime - - Amazon.com](https://m.media-amazon.com/images/I/41ZzOY2SIIL._AC_.jpg)
24 Volt Transformer, C Wire Power Adapter Compatible with Wyze Video Doorbell, 24VAC 500mA Transformer UL Certified with 16.4 Feet Cable Supply Power with Wyze HD Chime - - Amazon.com
![Amazon.com: Altronix Plug-in Transformer, 115V in, 24V Out, 40V (B002PNAY5Q) : Industrial & Scientific Amazon.com: Altronix Plug-in Transformer, 115V in, 24V Out, 40V (B002PNAY5Q) : Industrial & Scientific](https://m.media-amazon.com/images/I/51j6rwaPIaL._AC_SY580_.jpg)
Amazon.com: Altronix Plug-in Transformer, 115V in, 24V Out, 40V (B002PNAY5Q) : Industrial & Scientific
![Amazon.com: weideer Input 110V 50/60HZ Output 24V 10VA Power Transformer AC/ AC Single Phase Transformer for Lighting Power Supplies, Audio Equipment etc. Various Small Power Supplies K-030 : Electronics Amazon.com: weideer Input 110V 50/60HZ Output 24V 10VA Power Transformer AC/ AC Single Phase Transformer for Lighting Power Supplies, Audio Equipment etc. Various Small Power Supplies K-030 : Electronics](https://m.media-amazon.com/images/I/418tv2-FUiL._AC_SY580_.jpg)
Amazon.com: weideer Input 110V 50/60HZ Output 24V 10VA Power Transformer AC/ AC Single Phase Transformer for Lighting Power Supplies, Audio Equipment etc. Various Small Power Supplies K-030 : Electronics
![Amazon.com: 24V 1A Power Supply 100-240V AC to DC 24Volts 1A 24W Converter Transformer Switching Power Supply with 5.5mmx2.5mm Plug for LED Strip Light CCTV Camera DC Pump : Electronics Amazon.com: 24V 1A Power Supply 100-240V AC to DC 24Volts 1A 24W Converter Transformer Switching Power Supply with 5.5mmx2.5mm Plug for LED Strip Light CCTV Camera DC Pump : Electronics](https://m.media-amazon.com/images/I/61Gzj+NWgjL.jpg)
Amazon.com: 24V 1A Power Supply 100-240V AC to DC 24Volts 1A 24W Converter Transformer Switching Power Supply with 5.5mmx2.5mm Plug for LED Strip Light CCTV Camera DC Pump : Electronics
![Amazon.com: weideer Input 110V 50/60HZ Output 24V 10VA Power Transformer AC/ AC Single Phase Transformer for Lighting Power Supplies, Audio Equipment etc. Various Small Power Supplies K-030 : Electronics Amazon.com: weideer Input 110V 50/60HZ Output 24V 10VA Power Transformer AC/ AC Single Phase Transformer for Lighting Power Supplies, Audio Equipment etc. Various Small Power Supplies K-030 : Electronics](https://m.media-amazon.com/images/I/510+oORjNsL._AC_SY580_.jpg)
Amazon.com: weideer Input 110V 50/60HZ Output 24V 10VA Power Transformer AC/ AC Single Phase Transformer for Lighting Power Supplies, Audio Equipment etc. Various Small Power Supplies K-030 : Electronics
![Amazon.com: 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 Amazon.com: 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](https://m.media-amazon.com/images/I/510J7cQ+htL._AC_.jpg)
Amazon.com: 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
![Amazon.com: SHNITPWR 24V DC Power Supply Adapter 24 Volt 2A 48W AC to DC Converter Transformer 100~240V AC Input with 5.5x2.5mm DC Tip for 5050 3528 LED Strip 3D Printer CCTV Security Amazon.com: SHNITPWR 24V DC Power Supply Adapter 24 Volt 2A 48W AC to DC Converter Transformer 100~240V AC Input with 5.5x2.5mm DC Tip for 5050 3528 LED Strip 3D Printer CCTV Security](https://m.media-amazon.com/images/I/41JbF4mEoGL._AC_.jpg)
Amazon.com: SHNITPWR 24V DC Power Supply Adapter 24 Volt 2A 48W AC to DC Converter Transformer 100~240V AC Input with 5.5x2.5mm DC Tip for 5050 3528 LED Strip 3D Printer CCTV Security
![YAYZA! LED Driver 24V 15W, 100-240V to 24V Transformer, IP44 0.625A Low Voltage Power Supply, AC to DC Adapter, Constant Voltage for LED Strip Lights and Cabinet Lights, LED Bulbs: Amazon.com: Tools YAYZA! LED Driver 24V 15W, 100-240V to 24V Transformer, IP44 0.625A Low Voltage Power Supply, AC to DC Adapter, Constant Voltage for LED Strip Lights and Cabinet Lights, LED Bulbs: Amazon.com: Tools](https://m.media-amazon.com/images/I/31GTIxv6eqL._AC_.jpg)
YAYZA! LED Driver 24V 15W, 100-240V to 24V Transformer, IP44 0.625A Low Voltage Power Supply, AC to DC Adapter, Constant Voltage for LED Strip Lights and Cabinet Lights, LED Bulbs: Amazon.com: Tools
![Control Transformer 40VA, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Multi Tap - - Amazon.com Control Transformer 40VA, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Multi Tap - - Amazon.com](https://m.media-amazon.com/images/I/51zfpTNpJvL._AC_SY580_.jpg)
Control Transformer 40VA, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Multi Tap - - Amazon.com
![Amazon.com: PWS-2440 24VAC 40VA Class II Power Supply AC Adapter UL 24V Transformer Plug with terminals : Electronics Amazon.com: PWS-2440 24VAC 40VA Class II Power Supply AC Adapter UL 24V Transformer Plug with terminals : Electronics](https://m.media-amazon.com/images/I/41yUInPJhdL._AC_.jpg)
Amazon.com: PWS-2440 24VAC 40VA Class II Power Supply AC Adapter UL 24V Transformer Plug with terminals : Electronics
![Amazon.com: PWS-2420 24VAC 20VA Class II Power Supply AC Adapter UL 24V Transformer Plug with terminals : Industrial & Scientific Amazon.com: PWS-2420 24VAC 20VA Class II Power Supply AC Adapter UL 24V Transformer Plug with terminals : Industrial & Scientific](https://m.media-amazon.com/images/I/41vkejWA1mL._AC_SY1000_.jpg)
Amazon.com: PWS-2420 24VAC 20VA Class II Power Supply AC Adapter UL 24V Transformer Plug with terminals : Industrial & Scientific
![Amazon.com: BeElion 24V AC to 12V DC Convertor, 1.5 Amp Supply Current Power Adapter and 2.1 x 5.5mm DC Power Male Plug Pigtail for Surveillance Security Camera CCTV : Electronics Amazon.com: BeElion 24V AC to 12V DC Convertor, 1.5 Amp Supply Current Power Adapter and 2.1 x 5.5mm DC Power Male Plug Pigtail for Surveillance Security Camera CCTV : Electronics](https://m.media-amazon.com/images/I/41nL17XrfEL._AC_.jpg)
Amazon.com: BeElion 24V AC to 12V DC Convertor, 1.5 Amp Supply Current Power Adapter and 2.1 x 5.5mm DC Power Male Plug Pigtail for Surveillance Security Camera CCTV : Electronics
![24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell,Nest, Ecobee, Sensi and Honeywell Thermostat - - Amazon.com 24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell,Nest, Ecobee, Sensi and Honeywell Thermostat - - Amazon.com](https://m.media-amazon.com/images/I/512n6Ig4yzL.jpg)