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  • Save Maintenance and Component Expenses by Eliminating Moisture in Electrical Cabinets
    … for drying electrical cabinets and motor compartments, including dehumidifiers, heaters, heaters with a fan , vortex coolers and … Electronics perform best and last longest in a cool dry environment. Premature component failures are not mitigated by these means and drainage holes defeat the NEMA 4x and UL rating of the cabinet and create entry points for water from wash down. … the cabinet and do not address the moisture that condenses on the surfaces of the electronic components.
  • Filtration
    Since then, KOOLTRONIC has evolved into a substantial technology company, specializing in the innovative design and production of both forced ventilation and closed-loop cooling for all types of enclosures containing electronic , medical, industrial, telecommunication and other heat-producing equipment. Blowers and Fans NEMA 4 or 4X Filter Fans .
    • Typical applications include – On/off control of fans , motors and heaters – Proportional or floating control of damper and valve actuators – Outdoor reset of heating and cooling systems ElEcTrOnic STAnDAlOnE cOnTrOllErS Standard- NEMA 4X .
    The enclosure shall be designed to meet NEMA type 3R, 4 or 4X requirements as outlined in NEMA Publication No. 250 and selected by the designer. If air cooled , any opening designed for cooling and over 1/8 inch shall be screened to prevent … If the cabinet is NEMA 4 Aluminum, external heat sink cooling fans shall be finished in hard … New electronic controllers have to have demonstrated successful operation for 2 years in a bridge deck environment.
  • Industrial Power Solutions
    This inconsistent power is hard on the electronic components in industrial control devices and can cause equipment … Because industrial power supplies are sealed against contaminants and also because they’re often installed inside enclosures, they rely on air convection rather than fans for cooling . These enclosures are usually NEMA rated to describe the amount of protection they provide. … but the most relevant ones are NEMA 3, NEMA 3R, NEMA 4, NEMA 4X , and NEMA 12.
  • Automation of Wastewater Treatment Facilities - WEF MoP 21, Third Edition > General Characteristics
    NEMA 4X … problems, but they may create a harsh, high-temperature atmosphere, so the instrumentation’s electronic components must be … These materials creep into the enclosure during heating and cooling , when outside air is drawn in through … If more temperature control is necessary, engineers could add a ventilation fan or convection, heat pipes, refrigerative …