Additional specifications and description
Replacement circuit for ST2R1-series
ST2R1-series are fan speed controllers with a built-in day-week timer. They can switch between two optimal motor speeds (high-low control). The TK monitoring function deactivates the motor in case of overheating. This electronic circuit board provides power supply to the day-week timer and TK monitoring function of the ST2R1 series transformer fan speed controllers up to 7,5 A.
This pcb can be used as a spare part for following article codes: