Further information for Helios Ventilatoren ESA1 - Helios AP speed controller IP44 ESA 1 electronically max load 1A 0238
Electronic speed controller for stepless speed control of AC fans, phase control principle. Minimum output voltage adjustable via potentiometer, built-in on/off switch, unregulated switching output. Overload protection via fine-wire fuse. Plastic housing, protection class IP 40.