Fix Thermostat suppliers FTO 011 Contact breaker / NC (red casing) for regulating heaters or for switching signal devices when temperature has fallen below the minimum value. The contact opens when temperature is rising. Fix Thermostat FTS 011 Contact maker / NO (blue casing) for regulating professional filter professional fans, manufacturer of heat exchangers, cooling devices or for switching signal devices when temperature limit has been exceeded. The contact closes when temperaure is rising.
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