Vario Speed Controllers 12943 CR5. 5 Speed Controller, On/Off. Reversible. Can be used to regulate more than one fan. Maximum load 100w. Only suitable for Vario Range. CA/Lineo Environmental Sensors 12966 Electronic Speed Controller 1.5A. For models 100 Q V0 to 200 V0 inclusive. 12967 Electronic Speed Controller 2.5A. For models 250 V0 and 315 … Continue reading Controllers & Environmental Sensors