ACT-HSC Heat Sink Coolers

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Sealed Enclosure Cooling from 22 Watts/°C to 68 Watts/°C

  • A patent pending passive sealed enclosure cooler design consisting of two high performance
    aluminum finned heat sinks bonded to the opposite sides of a common mounting plate
  • High performance/cost ratio, due to the innovative use of advanced heat transfer and
    manufacturing technologies
  • Thin profile, i.e., only 3.70″ intrusion into the enclosure
  • High performance, corrosion resistant nickel plated fins
  • Dual axial ball bearing fans for years of maintenance free operation
  • Rugged high-quality construction
  • Easy to install
  • Minimum number of penetrations by cover fasteners, mounting fasteners and external fan wires
  • 1-Year Warranty (see ACT’s Terms and Conditions)

ACT-HSC Products

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   Part Number Thermal Conductance Watts/°C Thermal Capacity Watts @ 20°C Delta T Weight (lbs.) H (in”) W (in”) D* (in”)
22.0 440 15.0 12.00 12.00 7.88
45.0 900 30.0 21.75 12.00 7.88
68 .0 1,360 45.0 31.375 12.00 7.88

 Note: * Extends 3.70″ into enclosure



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Model ACT-HSC-22 ACT-HSC-45 ACT-HSC-68
NEMA Rating Voltage Maximum Operation Current (Amps) Maximum Operation Current (Amps) Maximum Operation Current (Amps)
(4, 4X, 3R) 12VDC 3.60 7.20 10.80
12 12VDC 3.90 7.80 11.70
(4, 4X, 3R) 24VDC 1.64 3.28 4.92
12 24VDC 1.66 3.32 4.98
(4, 4X, 3R) 48VDC 0.88 1.76 2.64
12 48VDC 0.92 1.84 2.76
(4, 4X, 3R, 12) 115VAC 0.72 1.44 2.16
(4, 4X, 3R, 12) 230VAC 0.38 0.76 1.14



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Environment Indoor or Outdoor Use
Electrical Configuration 115VAC, 230VAC, 12VDC, 24VDC and 48VDC

• AC units arrive with 6ft. long 3-pronged plug

• DC units arrive with bare lead wires

UL Listing &
UL Recognition
The 115VAC units received a UL listing mark.

All other versions (230VAC, 12VDC, 24VDC, and 48VDC) are UL Rated/UL Recognized.

NEMA Options 12, 3R, 4 and 4X, UL50E Certified
Fans UL Listed 6.0” dual ball bearing type axial fans (dry & wet locations)
Mounting Plate Aircraft quality 6061 aluminum
HSC Housing Powder coated aluminum, Optional: stainless steel
Mounting Options Top, side, front, or back
Operating Temperature Range 14°F (-10°C) to 140°F (+60°C)
Expected Fan Life >100,000 Hours at 77°F (+25°C)
Accessories Rain guards and removable filters



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