Room temperature controller with changeover contact and central piece Berker S.1 white, glossy - with imprint - control knob with temperature range limitation - for heating or cooling operation - e.g. for actuators - closed when de-energized - with thermal feedback - without spreading claws - with plug-in terminals 5 - 30 °C Nominal voltage 250 V~, 50/60 Hz Switching current heating 10 A (4 A at cosphi=0.6) Switching current cooling 5 A (2 A at cosphi=0.6) Switching temperature difference approx. 0.5 °C Neutral conductor required! When the set temperature is reached, the contact changes.