DTT 6601

εCOOL top mounting cooling unit 3000 W
  • robust: steel cover, easily paintable
  • safety: 4-fold protection against condensate thanks to ideal, patented condensate management system
  • service-friendly: toolless mounting and maintenance thanks to quick installation frame
  • service-friendly: complete cover removable towards the front. Easily accessible filter mats (optional) and control elements in front area
  • energy efficiency: around 20 % saving on energy thanks to the use of more effective, lighter components
  • energy efficiency: optional Multi Controller with energy-saving operation mode
  • design and colour matching: perfect mixture of functionality and design
  • available in stainless steel

top mounting

protection system

NEMA Type 12

EurAsian Conformity

top EER / energy saving

tool-less mounting

tool-less filter mat changing

service friendly

Technical data

DataDTT 6601
Rated voltage ±10 %AC 50/60 Hz
400/460 V 3~¹
Cooling performance
according to EN 14511
A35/A353000 / 3200 W
A35/A502000 / 2250 W
Ambient temperature+15 … +55 °C / +59 … +131 °F
Degrees of protection
according to EN 60529
IP 54towards the electrical enclosure if
used as intended by the manufacturer
IP 34towards the surroundings if
used as intended by the manufacturer
Condensate managementintegrated condensate evaporation system with safety overflow

1 suitable for various supply voltages (see technical specific data sheet)

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

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


Description Type Size
Conformity DTT 6xx1 pdf 53 KB Download
Conformity_UKCA_085507007_Rev01_Mar24_DTT6xx1.pdf pdf 35 KB Download
OP. inst. DTT 6601 400V MC pdf 52 MB Download
OP. inst. DTT 6601 400V SC pdf 49 MB Download
Supplement Test mode + MM (MC) pdf 250 KB Download
Short operat. instruction pdf 970 KB Download
Description Language Type Size Download

Product sheet

  • English
pdf 390 KB Download

3D-model (STEP)

  • English
zip 2.2 MB Download


  • German
  • English
pdf 52 KB Download

UL recognized certificate

  • English
pdf 170 KB Download

EAC certificate

  • Russian
pdf 1.6 MB Download

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

Ordering details

DataDTT 6601
TypeRated voltage400 / 460 V AC
Standard ControllerArticle number13256632055
Multi ControllerArticle number13256662055
V2A, Standard ControllerArticle number13256632015
V2A, Multi ControllerArticle numberon request

Article numbers for other types on request.


Introducing the εCOOL cooling units (DTI/DTS/DTT 6xxx).

Product Benefits

  1. 1

    Active condensate management

    Condensate evaporator uses heat to eliminate condensate even when the system is not actively cooling.

  2. 2


    with cabinets of every manufacturer.

  3. 3

    Durable and reliable components

    High quality compressor, fans and heat exchangers provide dependable cooling of electrical enclosure components.

  4. 4

    Energy efficient

    Our optional Multi Controller (MC) connected to a sensor, automatically turns off the fan when it is not needed.

  5. 5

    Rugged steel cover

    Powder coated or stainless steel cover designed for manufacturing environments. Easily painted to match enclosure or machine.

  6. 6

    Fast and easy maintenance

    Removable cover allows for easy access to the front facing control components.

  7. 7

    Reduced maintenance costs

    Have a dirty environment? Use our optional tool-free quick release filter mat mounting frame and a standard Pfannenberg filter to extend the life of the unit and reduce maintenance costs.