Printplaat voor SC2A4-15L55 of SC2A4-25L55

Replacement circuit for SC2A4-15L55 or SC2A4-25L55 series of fan speed controllers. Via the digital input it is possible to switch between two optimal fan speeds (high/low operation). The TK monitor function switches off the motor in case of overheating.

Replacement circuit for SC2A4 series

This electronic circuit controls the Sentera SC2A4 series of transformer fan speed controllers. The SC2A4 series are transformer fan speed controllers with a day-night function and TK monitoring. Two optimum motor speeds can be selected. The dry contact input allows one of these optimum motor speeds to be activated. A clock, thermostat or switch can be connected to the dry contact input. The TK monitor function switches off the motor in case of overheating.