.webp "Replacement circuit, ST2Rx series timer clock")
.webp "Replacement circuit ST2Rx series including TK protection, RT/FS contacts")
Replacement circuit for ST2Rx series timer clock
Product description
Replacement circuit for Sentera's ST2R1 and ST2R4 transformer fan speed controllers.
Additional specifications and description
Replacement circuit for ST2R1 and ST2R4 series
ST2R1 and ST2R4 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 controls the day-week timer with the LCD display of Sentera's ST2R1 and ST2R4 transformer fan speed controllers.
This PCB can be used as a spare part for following article codes:
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