Small,Compact Thermostat KTO 011/KTS 011 1 ... .Simple to mount 4.High switching prformance Small,Compact Thermostat KTO 011/KTS 011 Product Specification:1 ... 011:Thermostat (normally closed),contact breaker for regulating heaters.KTS 011:Thermostat(normally open), contact maker for ... Thermostats and Hygrostats are used for the control of heaters, filter fans, heat exchangers and air conditioning equipment ...