These are replacement sensors for the LA-277 controls.
Hi Norbert -
I've revised one of our spec sheets covering the 120 and 240 volt models of the FanHandler controls to include the 277 volt models. This reflects our understanding as to where we are in the ETL listing process. My assumption is that we are very close. As you are aware, we are developing these controls at Carrier's request. Thus, these controls are not in our standard line. Read more ...