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Rittal Blue e+S Cooling Units: Minimizing CO₂ emissions

The Rittal Blue e+S cooling unit is at home in any environment and now contains even more sustainable power for the 0.3-1 kW output categories. They have a new design, smart functions, and an even faster, more reliable process with Rittal's Smart Service condition monitoring tool.

Sustainability is the top priority of Blue e+ units

Blue e+ contains one-of-a-kind technology, long service life for the installed components thanks to reduced temperature fluctuation, as well as global usability and IoT integration. The revolutionary energy efficiency is achieved due to its ingenious hybrid technology, featuring two parallel cooling circuits that can operate independently or in tandem with each other depending on the temperature fluctuation.

Sustainable use of resources: Speed-controlled cooling extends the working life of the components

Annual carbon savings per unit equate to the: CO₂ absorption of 80 trees

Passive cooling circuit: The heat pipe dissipates heat from the enclosure as soon as the ambient temperature drops below the setpoint

Active cooling circuit: Speed-controlled components for demand-based cooling


  • Improved efficiency: Average energy savings of 75% per Blue e+ unit

  • Greater flexibility: For any application, location, or output range

  • Added certainty: Maximum reliability, less maintenance-intensive, and quickly deployed, ready for use

  • Greater simplicity: Effortless planning, operation, and installation

Technology for all applications

  • A wide output range covering all cooling requirements from 0.3 - 5.8 kW

  • Sheet steel version for all typical industry applications

  • Stainless steel & chemical versions for challenging ambient conditions

  • Robust outdoor version with anti-vandalism features

  • Maritime versions for applications that can move e.g. on board ships

  • International approvals and multi-voltage capability for worldwide use

Innovative Solutions

Become more sustainable:

Sustainability is crucial – Blue e+ S cooling units help protect the environment while saving money.

Efficient and sustainable

  • High energy efficiency: Hybrid technology guarantees average energy savings of 75%

  • Sustainable use of resources: Speed-controlled components ensure optimum, targeted cooling which helps to extend the service life of the enclosure components

  • More environmentally-friendly: Refrigerant R-513A has a 56% lower GWP rating

Become faster:

Time is a critical variable for every company – Blue e+ S cooling units can save time with engineering, planning, ordering and handling.

Greater flexibility at every level

  • More flexible engineering, because all data is available in the Eplan Data Portal.

  • More flexible planning and ordering, by configuring the enclosure and cooling in RiPanel.

  • More flexible handling, because the serial number is printed on the packaging, so it is no longer necessary to unpack the product to find the serial number.

  • More flexible calculation of the required climate control with the Therm software package.

  • More flexible with global usability and unique multi-voltage capabilities and country-specific approvals (cUL Listed, cULus FTTA, CE & EAC).

Design fail-safe processes:

At every stage in the value chain, reliability is key. Blue e+ S cooling units offer maximum reliability, reduced maintenance and rapid usability.

More reliable

  • More reliability: Integrated condensate evaporation as standard with cooling units of 300 W or above

  • Enhanced fail-safeness: Avoid machine downtime with immediate identification of the device status via LED optical fibres, even from a distance (yellow = non-critical error; red = serious error).

  • Greater protection from external influences: A foamed-in seal guarantees the high protection category of IP 55.

  • More planning confidence: Reliable availability and short delivery times for products and spares worldwide (standard products ex works).

  • Enhanced reliability: Safe to use within the temperature range from -20 to +60 °C.

Reduce your workload:

Focus on what's truly important – Planning, operation and assembly are easier with Blue e+ S cooling units.


  • Easy to operate : Intuitive operation via smart interfaces (NFC for app, USB connection for software updates and services, display)

  • Easy to maintain: Reduce maintenance work with easy access for servicing and straightforward replacement of components.

  • Easy to plan: Streamlined planning thanks to uniform square mounting cut-outs for all installation types (external mounting or full internal mounting)

  • Easy to design: Optimum parameterisation and selection with useful tools such our Therm software, Scan & Service app and Quick Finder

  • Easy to assemble: Optimised handling and time-saving assembly with our handy tools

Create value with digital solutions:

Add value by thinking holistically – Blue e+ S cooling units help your processes to run even more smoothly with smart apps & services.

Scan & Service app

Connect your smartphone to the cooling unit via NFC to transmit device data and parameters, or scan the QR code to see all relevant product information at a glance:

  • Fast parameterisation and commissioning of your cooling units

  • Time-efficient working with Fast-Copy (copy settings 1:1 to other cooling units)

  • Prepare and send service messages

  • Generate and send wish lists of accessories and spares

  • See all product information at a glance

  • Manage scanned products

Power-Flo Technologies is proud to partner with Rittal as they continue with their long tradition of innovation and their progressive approach to engineering comprehensive and effective solutions that support their customers goals. The Blue e+S cooling units prioritize sustainability by employing speed-controlled cooling and environmentally-friendly refrigerants, resulting in a substantial reduction in carbon emissions. Moreover, its versatility and global usability ensure that it meets the diverse cooling requirements of various industries, from typical applications to challenging environments. With its focus on simplicity, speed, reliability, and digital integration, the Blue e+S cooling unit streamlines processes, reduces workload, and adds value to every stage of operation.


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