Temperature controller with changer and central unit Berker S.1/B.3/B.7 polar white, mat

room temperature regulator with changer and central unit Berker S.1/B.3/B.7 polar white, matt - with imprint - regulating knob with temperature range limitation - for heating or cooling operation - for example for actuators - closed without current - with thermal return - without expansion claws - with plug terminals 5 - 30°C nominal voltage 250 V~, 50/60 Hz switching current heating 10 A (4 A at cosphi=0,6) switching currents cooling A. 0.5 °C neutral conductor required! When the set temperature is reached, the contact changes.