Room temperature controller with break contact, central piece, rocker switch and LED Berker K.1 polar white, glossy - with imprint - control knob with temperature range limitation - with on/off switch and control LED for on - with thermal feedback - with separate connection for night-time reduction - e.g. for actuators closed when de-energized - without spreading claws - with plug-in terminals 5 - 30 °C, 50/60 Hz Nominal voltage 250 V~ Switching current 10 A inductive load at cos phi 0.6 max. 4 A Switching temperature difference approx. 0.5 °C Night-time reduction approx. 4 °C Neutral conductor required! When the set temperature is reached, the contact opens.