Room temperature controller insert electromechanical, with bimetal sensor element and thermal feedback, switching difference 0.5K, temperature range +5°C to +30°C, insert for installation in switch box, with screw terminals, contact protection cover and protective cap, control input for temperature reduction 4K via external switching input, screw terminals, 10A 250V, switching contact 1 NC, made in GermanyRoom temperature controller insertFor switch range K55®BB, alpine whiteFor switch range K55®, alpine white/pure whiteFor switch range Klein SI®, alpine whiteFor switch range Klein SI® cream white