Stego Thermostat, 2-state regulator, NO, 20 - 80°C, 250VAC, 3AThe mechanical thermostats KTO 011 (contact breaker) and KTS 011 (contact maker) are two state regulators used to control heaters, coolers, filter fans or signal devices. KTS 011 Thermostat (normally open); contact maker for regulating of filter fans and heat exchangers or for switching signal devises when temperature limit has been exceeded. The contact closes when temperature is rising Large setting range Small size Simple to mount High switching