The explosionproof thermostats described are particularly suitable for permanent installations in the field as part of systems to control, supervising and alarming either ambient (associated with air conditioning systems for example) and/or process temperatures in hazardous area Zone 1 & Zone 21.

They are made of two essential components. The former ensures the temperature detection through conventional probes. The latter, typically electrical – based on the change of state of electrical contacts – is well known and appreciated by the international market in its standard execution (“General Purpose”) and it depend on the functions to be implemented within the automation or safety strategies.