Controller for three-phase heaters - TTC- .. - a device controlling the heater on the basis of the temperature (0-30 ° C) set by the user and the external duct temperature sensor TGK-330 or the room sensor TG-R530 (no sensors included). The smallest TTC model is available in two mounting versions, for wall mounting (TTC-2000) or on the standard TS35 rail (TTC-25). Other models TTC-40F, 63F, 80F mounted on TS35 rail. The device can work with additional accessories (not included): a room sensor with the TG-R430 adjuster or the TBI-30 panel adjuster. TTC- .. controller in addition to the above options, also has the function of limiting the upper and lower temperature. For the proper operation of the function, it is required to use an additional duct temperature sensor TGK-360.