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Thermal Management (Temperature and Moisture Control)
- Touch-Safe Convection Heaters (PTC Heaters) for electrical enclosures: DIN Rail
- Fan Heaters for electrical enclosures: DIN Rail and Screw Mounted
- Fan Heaters for electrical enclosures: Foot Mounted
Moisture can build up not only in outdoor or poorly insulated enclosures, but also in highly protected and well-sealed enclosures.
Moisture, especially when combined with aggressive gases and dust, causes atmospheric corrosion and can result in the failure of components such as circuit breakers, busbars, relays, integrated circuit boards and transformers.
Moisture and corrosion will remain low if relative air humidity stays below 60%. However, relative humidity above 65% will significantly increase moisture and corrosion problems. This can be prevented by keeping the environment inside a control panel enclosure at a temperature as little as 9°F (5°C) higher than that of the ambient air.
AutomationDirect enclosure heaters controlled with thermostats, humidistats (hygrostats) and hygrotherms protect against condensation. These PTC heaters warm the air inside enclosures, preventing water vapor from condensing on components while providing the greatest possible air circulation and low energy consumption. They are also referred to as condensate heaters or condensation heaters.