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

Technical data

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


Description Language Type Size Download

Product sheet

  • English
pdf 480 KB Download

Data sheet DTS 3661C

  • English
pdf 2.0 MB Download

Data sheet DTS 3681C

  • English
pdf 1.9 MB Download


  • English
zip 4.0 MB Download

3D model (STEP)

  • English
zip 18 MB Download

Cut-out (DXF)

  • English
dxf 120 KB Download

UL listed certificate

  • English
pdf 190 KB Download

CE Declaration of Conformity

  • English
pdf 190 KB Download

UKCA Declaration of Conformity

  • English
pdf 160 KB Download

Ordering details

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