Crestron PW-2407RU 18 Watt Cresnet Power Supply

Cresnet devices draw their 24 volts from the same four-conductor bus that carries their data, and a run of keypads, occupancy sensors, or thermostats eventually needs more of it than the control processor can source. The PW-2407RU adds 18 watts to that bus.

It works on US and international outlets and is rated for indoor use. Size the supply against the total Cresnet draw of the run it feeds, not against the device count.