OpenSprinkler › Forums › Hardware Questions › OpenSprinkler › Does Open Sprinkler AC have power supply minimum/maximum amperage? › Reply To: Does Open Sprinkler AC have power supply minimum/maximum amperage? October 11, 2015 at 11:06 am #40488 chinomngParticipant I was wondering how a 500mA power supply is capable to power up to 48 stations plus the electronic. Considering that each valve need 100-200 mA
