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EMI/RFI Shielded Twin Packaged Blowers

Recessed Twin Packaged Blower

Description

The Kooltronic EMI/RFI shield conforms to the latest technology in attenuation of electromagnetic interference. The KPR Series combines this shield with Standard Twin Packaged Blowers. This shielded front end can be incorporated into the entire line of Kooltronic Packaged blowers, as an option, with few dimensional changes. This same front end can also be used as an accessory.

Kooltronic achieves a high degree of EMI attenuation by the use of proven techniques and scrupulous production and quality controls. The honeycomb element and copper and tin-plated iron wire gasketing are sandwiched between a plated unitized steel frame and a plated flange welded to the cabinet. These are clamped in place with precision- torqued Allen head cap screws. This permits high clamping pressures for maximum EMI attenuation without distortion. The use of metallic chromate finish on the steel frame and corrosion-protected aluminum honeycomb provides uniform high attenuation and minimum internodal resistance. No conductive plastics are used. A full mounting flange provides a continuous conductive surface for interface with the user's cabinet.

Kooltronic also offers a full line of EMI-Shielded FIlter Grille Assemblies, independent of the blower package. These assemblies can be used at remote inlet or discharge locations, for EMI-protected air paths.

For unusual or higher-level attenuation requirements, or special EMI/RFI problems, consult our Engineering Department.

EMI/RFI-shielded fronts, in packaged blowers or used separately, do not reduce air delivery.

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

Standard Features

  • Capacities: 130 to 800 CFM
  • Attractive 19-inch [482.6mm] stainless steel grilles
  • Dual inlet quadruplex blower design for maximum airflow
  • Click for more info.EMI/RFI Shielding
  • Exhaust guards included
  • Click for more info.Filter
  • Heavy-gauge steel shells with EIA-notched flanges and baked powder finish
  • Inlet cools motor for longer life
  • Three foot [0.9] (minimum) 3-wire power cord
  • UL/CSA ball-bearing motors
    • All motors, whether permanent split capacitor or shaded pole, are UL/CSA Recognized and include automatic-reset thermal overload protection. Designed for low temperature rise, Kooltronic motors are also cooled by the blowers' intake air, for maximum motor life. All motors are UL Recognized and carry a Declaration of Conformity to applicable CE Standards. Special permanent lubricants perform over a broad temperature range: -20°F (-29°C) to 250°F (121°C).
Accessories and Options

  • Click for more info.Adapters
  • Click for more info.Airflow switch
  • Click for more info.Automatic Speed Control
  • Click for more info.Filter Recoating Adhesive
  • Click for more info.Grilles for replacement
  • Other voltages and frequencies
  • Click for more info.Replacement Filters
  • Special external paint finishes
  • Special line cord or connectors
 
Click Products Below
For More Details and to Request a Free Quote
KPR528 Packaged Blower
KPR528
130 CFM
5"H x 19"W x 7"D
KPR529 Packaged Blower
KPR529
300 CFM
5"H x 19"W x 7"D
KPR701 Packaged Blower
KPR701
330 CFM
7"H x 19"W x 10"D
KPR729 Packaged Blower
KPR729
470 CFM
7"H x 19"W x 10"D
KPR877 Packaged Blower
KPR877
525 CFM
9"H x 19"W x 11"D
KPR1051 Packaged Blower
KPR1051
800 CFM
11"H x 19"W x 12"D
Attenuation Levels of Standard Kooltronic EMI Shielding
Click on image for larger view

Attenuation Levels Chart
EMI-Shielded Filter Grille Assemblies
Click on image for larger view

EMI-Shielded Filter Grille Assembly Drawing
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Thursday, June 30, 2022  
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Kooltronic, Inc.
30 Pennington-Hopewell Road
Pennington, NJ 08534 USA
609-466-3400
800-321-KOOL
609-466-1114 (fax)
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