DTS 3141/3161/3181

Cooling units 1235 W
  • compact design, ideal for small control cabinets and larger control cabinets for the cooling of hot spots
  • particularly suitable for the food industry and outdoor applications
  • high protection system IP 56, maintenance-free 
  • NEMA 12 (DTS 3141) and 3R/4 (DTS 3161) units with powder coated steel cover
  • NEMA 4/4X (DTS 3181) unit with stainless steel cover 
  • condenser with 3 mm fin spacing, highly effective protection against strongly contaminated ambient air
  • integrated condensate evaporation system

side mounting

NEMA Type 12



large distance in /out

Stainless steel

UL approved

EurAsian Conformity

Technical data

DataDTS 3141 (12) / DTS 3161 (3R/4) / DTS 3181 (4/4X)
Rated voltage ±10 %AC 50/60 HzAC 60 Hz
400/460 V 3~230 V115 V
Cooling capacity
according to EN 14511
A35/A351235 W
A35/A50570 W
Ambient temperatureSCDTS 3141: +15 … +55 °C (+59 … +131 °F) / DTS 3161/3181: 0 … +55 °C (+32 … +131 °F)
LAP–40 … +55 °C (–40 … +131 °F)
Degrees of protection
according to NEMA
12towards the electrical enclosure if used as intended
by the manufacturer

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 320 KB Download

Operating manual

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

Data sheet 115V / 230V

  • English
  • German
  • French
pdf 250 KB Download

Data sheet 400V

  • English
  • German
  • French
pdf 250 KB Download

3D-model DTS 3141 (STEP)

  • English
zip 13 MB Download

3D-model DTS 3161 (STEP)

  • English
zip 13 MB Download

3D-model DTS 3181 (STEP)

  • English
zip 13 MB Download

CE Declaration of Conformity

  • German
  • English
pdf 190 KB Download

UL listed certificate

  • English
pdf 190 KB Download

EAC certificate

  • English
pdf 1.6 MB 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 3141
TypeRated voltage400 V AC
Standard ControllerArticle number13385436255
Ordering detailsDTS 3161
TypeRated voltage400 V AC230 V AC115 V AC
Standard ControllerArticle number133854363551338544135513385444355
LAP¹Article number133854363751338544137513385444375
Ordering detailsDTS 3181
TypeRated voltage400 V AC230 V AC115 V AC
Standard ControllerArticle number133854361581338544115813385444158
LAP¹Article number133854361781338544117813385444178

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.