Transformer voltage our doorbells are recommended for use with up to 24 volt transformers.
24 volt doorbell button.
If you have an older chime it may need a diode.
Doorbell transformers sold by heath zenith and broan nutone include terminals labeled for 24 volts as well as lower settings of 8v 10v 16v and 20v.
The switch is wired to a terminal that is attached to a transformer which lowers the voltage used from a typical 120 to 240 volt ac circuit to 8 to 24 volts.
In most wired systems the doorbell makes a sound via a switch that is located inside the doorbell button mechanism beside the door.
Diodes if they are needed diodes come with the chimes not the button.
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 4 6 out of 5 stars 134 15 99 15.
Led doorbell center push button the normal use of our led push buttons on our solid brass doorbells are 3w hours 30 000 hours.