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Side-Mount Enclosure Cooling Unit, Indoor Use

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  • Side-Mount Enclosure Cooling Unit, Indoor Use

Pfannenberg - 133 8363 6255

Alternate Part Number: 13383636255

Quick Overview

Cooling Unit, NEMA 12, 400/460 3Ø, 4000-7000 Btu, Lt. Gray (Must Ship via Truck)
$2,857.50

Standard Stock

- +

The wide condenser fin spacing filter-free design reduces the amount of maintenance required by the customer. A quick cleaning of the condenser is required less frequently verses the competition's models, while capacity is not compromised by easy clogging of the condenser core.

Utilizing rugged, long-lasting backward curved impeller fans, the cooling units can go twice as long before needing service verses a typical blower style fan that has smaller, low-cost and high maintenance bearings.

The backward curve fan also has a natural right angle air path that allows cooling units to capture hot air from the top of the electrical cabinet and deposit cool, dry air to the bottom of the cabinet and underneath critical components on the panel.

Utilizing a maintenance free design, Pfannenberg implements a hermetically sealed design that eliminates gasketed valves and the leak source for many other A/C unit designs. Therefore, these cooling units do not need annual maintenance to determine if the unit is properly charged with R134a refrigerant.

Controlling temperature and alarm setting via dip-switches, preventing airflow short cycling, high pressure switch alarm, on/off control of compressor with built-in delay timer and a LED lamp with four different flashing sequences. The control board is located in inner air circuit for protection from heat and dirt.

Pfannenberg strives to provide a relatively maintenance-free design. All designs have additional options including:
Filter Kits Option - for special applications like wood and machine tool that need an external filter to prevent clogging of the condenser core.
Corrosion Resistant Option - for special applications which require a coated condenser and copper piping, such as PVC pipe manufacturing or other indoor corrosive applications.
Voltage Options - Many cooling units have been designed for both 50/60 Hz applications as well as 400 or 460 V operations with a simple jumper change in the e-box.

Additional Information
Part Number 133 8363 6255
Product Series DTS 3145
Voltage See Spec or N/A
Availability Please Contact Us
Product Series See Specs
Watts N/A or See Spec
Weight - lbs. 108.0000
Base Unit of Measure Each
Specification Tab
  • NEMA 12 side mount cooling units, indoor
  • Please note: These units are not able to ship by UPS - They need to ship by truck because they are pre-filled with coolant.
  • Available in ranges from 900 to 24,000 Btu
  • Product variety: 3 installation sizes with 6 performance levels available
  • Modern design and large selection of surface finishes and colors
  • Environmental protection thanks to energy efficiency and recyclability
  • Easy mounting: quick release mounting frame
  • Options include: 
  • Filter kits - ideal for wood and machine tool applications
  • Corrosion resistance - add for indoor corrosive applications
  • Voltage options - let us know what you need
  • Rugged, long lasting backward curved impeller fans - Can go twice as long before needing service!
  • Hermetically sealed refrigeration circuit - Elminates gasketetd valves
  • Applications where our indoor cooling units are used: conveyors, material handling, textile, paper, glass machinery, automation & assembly
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Need More Information?


  • NEMA 12 side mount cooling units, indoor

  • Please note: These units are not able to ship by UPS - They need to ship by truck because they are pre-filled with coolant.

  • Available in ranges from 900 to 24,000 Btu

  • Product variety: 3 installation sizes with 6 performance levels available

  • Modern design and large selection of surface finishes and colors

  • Environmental protection thanks to energy efficiency and recyclability

  • Easy mounting: quick release mounting frame

  • Options include: 

  • Filter kits - ideal for wood and machine tool applications

  • Corrosion resistance - add for indoor corrosive applications

  • Voltage options - let us know what you need

  • Rugged, long lasting backward curved impeller fans - Can go twice as long before needing service!

  • Hermetically sealed refrigeration circuit - Elminates gasketetd valves

  • Applications where our indoor cooling units are used: conveyors, material handling, textile, paper, glass machinery, automation & assembly

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  • Phone: 847-658-8130
  • Fax: 847-658-0960

Marshall Wolf Automation, Inc.
923 South Main Street
Algonquin, IL 60102

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