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T1Flo Vented Enclosure with Fan, Type 1

Bulletin Number:

  • A1DR

    UL 508A Listed; Type 1; File No. E61997 cUL Listed per CSA C22.2 No. 94; Type 1; File No. E61997 NEMA/EEMAC Type 1 IEC 60529, IP20
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    These enclosures have a thermostatically controlled forced-air ventilation system for the removal of heat. Ideal for control systems in HVAC or industrial environments that have a combination of heat-sensitive electronics with high heat producing components such as (VFD) drives, inverters, PLCs and non-hardened processors.


  • Active cooling ventilation system with factory installed, thermostatically controlled fan (115 VAC) and filter
  • Terminal block power connection for fan
  • Washable expanded metal filter
  • Lift-off hinged door
  • Slotted quarter-turn latch
  • Collar studs for mounting optional panel
  • Grounding provision on door and body
  • Mounting holes on back of enclosure
  • Accepts optional mounting foot kit
  • Door gasket

    14 gauge steel


  • Electric Heater
  • Electrical Interlocks
  • Grounding Device
  • Locking T Handle
  • Mounting Bracket Kits
  • Panels for Type 3R, 4, 4X, 12 and 13 Enclosures
  • Rack Mounting Angles - U Style (Type RA)
  • Compact Cooling Fans
  • Touch-Up Paint
  • Steel and Stainless Steel Window Kits
  • NOTAS:

  • Required Airflow
  • The following equation is used to calculate the airflow required in a forced-air system to remove heat and maintain enclosure temperature a given amount above the ambient temperature.
  • CFM = WT x 3.16 / Tint - Tamb
  • CFM = Required airflow (ft.3 / min.)
  • WT = Total heat dissipated in enclosure (watts)
  • Tamb = Ambient or external Temperature (degrees F)
  • Tint = Desired internal Temperature (degrees F
  • Assumptions: Specific values and physical sizes must be verified. Typical motor efficiency is 91 percent; typical drive efficiency is 97 percent.
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    Número de catálogo A in. B in. C in. G in. H in. Panel Size D x E in. Perforated Panel Panel Gauge System CFM Suggested HP Solid Panel Fan Size in.
    Número de catálogo A in. B in. C in. G in. H in. Panel Size D x E in. Perforated Panel Panel Gauge System CFM Suggested HP Solid Panel Fan Size in.
    28 24 12.75 26.50 21.00 21.00 x 21.00 A24P24PP 12 80 3 A24P24 4
    34 24 12.75 32.50 21.00 27.00 x 21.00 A30P24PP 12 130 Up to 20 A30P24 4 (2x)
    40 24 12.75 38.50 21.00 33.00 x 21.00 A36P24PP 12 200 40 A36P24 6
    54 30 12.75 52.50 27.00 45.00 x 27.00 N/A 12 350 Up to 75 A48P30 6 (2x)