DTS 3265/3285

Cooling units 3325 W
  • particularly suitable for the food industry and outdoor applications
  • high protection system IP 56, maintenance-free
  • maintains a UL tested NEMA type 3R/4 seal against the enclosure
  • NEMA 3R/4 (DTS 3265) unit with powder coated steel cover
  • NEMA 4/4X (DTS 3285) unit with stainless steel cover
  • condenser with 3 mm fin spacing, highly effective protection against strongly contaminated ambient air
  • 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 condensate evaporation system

side mounting



large distance in /out

Stainless steel

UL approved

EurAsian Conformity

Technical data

DataDTS 3265 (NEMA 3R/4) / DTS 3285 (NEMA 4/4X)
Rated voltage ±10 %AC 50/60 Hz
400 / 460 V 3~230 V
Cooling capacity
according to EN 14511
A35/A353325 W
A35/A502280 W
Ambient temperatureSC0 … +55 °C / +32 … +131 °F
LAP–40 … +55 °C / –40 … +131 °F
Degrees of protection
according to NEMA
3R/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.


Description Language Type Size Download

Product sheet

  • English
pdf 430 KB Download

Operating manual

  • English
pdf 5.0 MB Download
  • German
pdf 4.9 MB Download

Data sheet 115V / 230V

  • English
  • German
  • French
pdf 290 KB Download

Data sheet 400V

  • English
  • German
  • French
pdf 330 KB Download

3D-model (STEP)

  • English
zip 4.8 MB Download

CE Declaration of Conformity

  • English
  • German
pdf 190 KB Download

UL listed certificate

  • English
pdf 190 KB Download

UKCA Declaration of Conformity

  • English
pdf 160 KB Download

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

Ordering details

Ordering detailsDTS 3265
TypeRated voltage400/460 V AC230 V AC
Standard ControllerArticle number1338383635513383839355
LAP¹Article number1338383637513383839375
Ordering detailsDTS 3285
TypeRated voltage400 / 460 V230 V
Standard ControllerArticle number1338383615813383839158
LAP¹Article number1338383617813383839178

1 LAP (Low Ambient Package): includes 900 W enclosure heater and a thermostat to be placed inside the enclosure.

Product Benefits

  1. 1

    Compact design

    Robust cooling unit in compact design for smaller cabinets or to cool hot spots.

  2. 2

    Stainless steel

    In stainless steel model with IP 56 particularly suitable for outdoor applications or for the food and beverage industry.

  3. 3

    Robust design

    using tested and energy efficient components.

  4. 4


    with large fin spacing enables very long maintenance intervals even without additional Nano coating.

  5. 5

    Integrated condensate evaporation

    no puddles of water under the device for increased operation safety.