24VAC 40VA Plug In Doorbell And Thermostat Transformer Wall Mount Power Supply No More Battery Swaps And Keeps Nest Ecobee Sensi Honeywell Thermostats And All Doorbells Happily Powered

24V 40VA Plug-In Transformer For Doorbells And Thermostats
✔️ 120V To 24V 40VA With PTC Fuse LED Indicator And Screw Terminals

This plug in transformer supplies steady power to doorbells and thermostats in residential setups.

✅ Input voltage 120 VAC 60Hz for standard outlets
✅ Output 24V 40VA with auto resetting PTC protection
✅ Green LED shows power status at a glance
✅ Screw terminals allow custom cable lengths
✅ Works with video doorbells and smart thermostats

💡 What is a doorbell transformer used for? A doorbell transformer steps down household voltage to safely power your chime and thermostat devices. - Provides consistent low voltage without draining batteries - Handles common smart home setups with stable output - Includes overload protection to keep things running smooth - Lets you run longer wires for flexible installs anywhere