DTS 3661C/DTS 3681C

Cooling units 7200 W
  • particularly suitable for the food industry and outdoor applications (-40°C)
  • high protection system IP 56, maintenance-free
  • maintains a UL tested NEMA type 3R/4 seal against the enclosure
  • NEMA 3R/4 (DTS 3661C) unit with powder coated steel cover
  • NEMA 4/4X (DTS 3681C) unit with stainless steel cover
  • large distance between intake and exhaust vents, safe circulation within the electrical enclosure due to long passage of air, therefore hot spots are eliminated
  • integrated 900W enclosure fan heater
  • integrated condensate evaporation system

operating temperature

side mounting



large distance in /out

Stainless steel

UL approved

Dane techniczne

DataDTS 3661C (NEMA 3R/4) / DTS 3681C (NEMA 4/4X)
Rated voltage ±10 %AC 50/60 Hz
400 / 460 V 3~
Cooling capacity
according to EN 14511
A35/A357200 W
A35/A503800 W
Ambient temperatureSC-40… +55 °C / -40 … +131 °F
Degrees of protectionaccording to NEMA3R/4towards the electrical enclosure
if used as intended by the manufacturer
Condensate managementintegrated condensate evaporation system with safety overflow

Further technical details and dimensions can be found in the download section on this page under product sheet.

Do pobrania

Opis Język Format Rozmiar Do pobrania

Product sheet

  • angielski
pdf 410 KB Do pobrania

Data sheet DTS 3661C

  • angielski
pdf 2,0 MB Do pobrania

Data sheet DTS 3681C

  • angielski
pdf 1,9 MB Do pobrania


  • angielski
zip 4,0 MB Do pobrania

3D model (STEP)

  • angielski
zip 18 MB Do pobrania

Cut-out (DXF)

  • angielski
dxf 120 KB Do pobrania

UL listed certificate

  • angielski
pdf 190 KB Do pobrania

CE Declaration of Conformity

  • angielski
pdf 190 KB Do pobrania

UKCA Declaration of Conformity

  • angielski
pdf 160 KB Do pobrania

Further software tools for digital product integration into your planning and documentation (such as Eplan macros) can be found at MyPfannenberg.

Dane do zamówienia

Ordering detailsDTS 3661CDTS 3681C
TypeRated voltage400 / 460 V AC
StandardArticle number1338403637513384036178