DTS 3241/3261/3281

Cooling units 1900 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 3241) and 3R/4 (DTS 3261) units with powder coated steel cover
  • NEMA 4/4X (DTS 3281) 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

UL approved

EurAsian Conformity

Technical data

DataDTS 3241 (12) / DTS 3261 (3R/4) / DTS 3281 (4/4X)
Rated voltage ±10 %AC 50/60 Hz
400 / 460 V 3~230 V
Cooling capacity
according to EN 14511
A35/A351900 W
A35/A501758 W
Ampient temperatureSCDTS 3241: +15 … +55 °C (+59 … +131 °F) / DTS 3261/3281: 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
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 320 KB Download

Operating manual

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

Data sheet 115V

  • English
  • German
  • French
pdf 350 KB Download

Data sheet 230V

  • English
  • German
  • French
pdf 280 KB Download

Data sheet 400V

  • English
  • German
  • French
pdf 260 KB Download

Declaration of Conformity

  • English
  • German
pdf 190 KB Download

UL listed certificate

  • English
pdf 190 KB Download

EAC certificate

  • English
pdf 1.6 MB Download

Ordering details

Ordering detailsDTS 3241
TypeRated voltage400/460 V
Standard ControllerArticle number13385736255
Ordering detailsDTS 3261
TypeRated voltage400/460 V230 V115 V
Standard ControllerArticle number133857363551338574135513385744355
LAP¹Article number133857363751338574137513385744375
Ordering detailsDTS 3281
TypeRated voltage400/460 V230 V115 V
Standard ControllerArticle number133857361581338574115813385744158
LAP¹Article number133857361781338574117813385744178

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.