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Thermal Management for Enclosures
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Tuesday, September 19, 2017
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Guardian/GuardianX Series Indoor/Outdoor Filter Fans
Guardian Series Photo

Description

Kooltronic has expanded its line of filter fans to include models offering the security of NEMA 4 or 4X Ratings together with the versatility of indoor or outdoor use. All Guardian Series Filter Fans have a NEMA 4 Rating. The GuardianX Series Filter Fans, with a NEMA 4X Rating, are offered with a Stainless Steel Shell. The Guardian/GuardianX Series Indoor/Outdoor Filter Fans are a perfect choice for dissipating high heat loads economically. Two models are available, with airflows from 90 to 290 CFM (Fan airflow without filter).
The new Guardian/GuardianX Series Indoor/Outdoor Filter Fans offer the same convenience, versatility and reliability as the Advantage and Sentry Series Filter Fans with the added protection of a NEMA 4 or 4X Rating, making these models an excellent choice for washdown, telecommunications and the food service industry.


KOOLTRONIC also designs and manufactures a variety of fans to meet unique specifications. We invite your inquiries about our modification and custom-design capabilities.

TYPE 4 OR 4X
MAINTAINED
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For general ventilating use only. Do not use these fans to exhaust hazardous or explosive material and vapors.
NOT ALL SYSTEMS ARE SUITABLE FOR UTILIZING OUTSIDE AIR.  To protect sensitive components against condensation an enclosure heater or closed-loop cooling is recommended. To protect sensitive components against corrosive elements closed-loop cooling is recommended.
Component Characteristics Accessories and Options
  • Standard airflow direction is from the outside to the inside of the cabinet.
  • Filters are stable up to 100ºC and 100% rh. (Filters are necessary to maintain NEMA 4 or 4X Rating).
  • Filters guarantee a continuously high level of protection according to EU4, with a 94% separation efficiency according to DIN 24185 Standard.
  • With filters, dust capacity is particularly high (620 g/m2), which reduces maintenance.
  • Other supply voltages, both AC and DC, are available on request.
  • Filter fans can be supplied with reversed airflow direction. Add the letter "R" after series number. Example: KNP40RFL
  • Depending on request and quantity, parts can be supplied with different colors.
  • Filter-Hood Assemblies (Recommended) (P/N: KNPA60FL)
  • Replacement Filters


guardian/guardianX filter fan knp40fl
KNP40FL
90/106 CFM*

18"H x 10"W x 5"D

guardian/guardianX filter fan knp60fl
KNP60FL
270/290 CFM*

18"H x 10"W x 5"D

 
 
*Fan airflow without filter and grille.
 
     
 
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