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Heaters
Enclosure heaters protect electrical components from condensation moisture buildup that can result in corrosion and component failure. Heaters are available in various heating capacities, operating voltages, and mounting options.
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Enclosure heaters prevent the formation of condensation and provide evenly distributed interior air temperature in enclosures.
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 9F (5ºC) higher than that of the ambient air.
For part listing and specifications, go to Shop Now
Flat Heaters
The flat heater is used to provide evenly distributed temperature within enclosures with electric or electronic components. Its ultra-thin design makes it particularly suitable for high-density applications in which standard enclosure heaters are often too big.
- Contact/convection heater
- Ultra flat design - only 0.32in {8mm} thick
- 50 to 100W heating capacity
- Linear expansion compensation
- Integrated temperature cut-out
- Ready-to-use with strain relief
- UL File E234324
Starting at
(061000-00)
Fan Heaters
Highly efficient fan heaters prevent the formation of condensation and frost in the enclosure, and provide an evenly distributed interior air temperature in enclosures.
- 125 to 1300W heating cpacity
- Compact design
- Integrated adjustable thermostat, fixed hygrostat, or without integral controls
- Axial fan
- Various voltage ratings
- Aluminum and double insulated plastic housings available
- Built-in overheat protection
- Foot, DIN rail, or panel mount options
- CE, UL Recognized File No. E234324 or E331157, RoHS compliant
Starting at
(030849-00)
PTC Heaters
Positive temperature coefficient (PTC) heaters utilize natural convection, providing a circulating current of warm air.
Small PTC heaters are designed to prevent failure of electronic components caused by condensation, corrosion, and low temperatures in small enclosures.
- 5W to 13W heating capacity
- Compact size
- Wide voltage range
- Energy saving
- Heating power adjusts to ambient temperature
- CE, VDE, UL Recognized File No. E234324 & E150057, RoHS compliant
Touch-safe PTC heaters feature a design that minimizes surface temperatures on the accessible side surfaces of the housing.
- Compact heater, DIN rail mounting
- Temperature limiting PTC resistor heating element
- 10W, 20W, 50W, 100W and 150W heating capacities
- 12-30 VAC/VDC and 120-240 VAC/VDC input power versions
- Quiet operation
- Low surface temperature
- Double insulated protection
- CE, UL Recognized File No. E150057 (except 060401-00), RoHS compliant
Starting at
(016240-03)
PTC Fan Heaters
Newest Additions!
- Pfannenberg PTC Fan Heaters
These compact, high-performance PTC fan heaters are designed for use in high-density enclosures. Features vary depending on model and include:
- 150 to 1200W heating capacity
- Integrated axial fan
- Touch-safe options (minimize housing temperatures)
- Overheat protection
- Built-in adjustable or pre-set thermostat
- Models available that are both DIN rail mountable as well as panel mounted
- CE, UL Recognized File No. E204590, E234324 and/or E150057, RoHS compliant
Starting at
(028009-00)
PTC Loop Heaters
PTC loop heaters' patented loop design increases natural convection airflow, reduces thermal stresses to extend the longevity of the heater, and provides better heat transfer.
- Patented anodized aluminum body design enhances the chimney effect resulting in excellent heat dissipation in the enclosure
- Compact size requires minimal DIN rail space
- Push-in clamp terminals for quick and easy connections
- Shock- and vibration-proof
- Touch-safe models and models with fixed thermostat available
- 120-240V operating voltage
- Heating capacities from 10W to 150W
Starting at
(16400.9-00)
Hazardous Location Heaters
Compact convection heater for use in hazardous areas to prevent formation of condensation and frost in electrical enclosures and measuring equipment.
- 50 to 200W heating capacity
- Large convection surface
- DIN rail and screw mounting
- Ready to use with strain relief
- Maintenance free
- Temperature class T3 (392°F/200°C max.)
Starting at
(020319-00)
