Rittal SK RTT Blue e 500W Wall Mounted Enclosure Cooling Unit

The Rittal SK Blue e wall-mounted cooling unit is designed to provide reliable temperature control for industrial enclosures. It belongs to the energy-efficient Blue e series, which covers output categories from 300 W to 4000 W.

This 0.55 kW model is ideal for small control cabinets and compact electrical enclosures. Moreover, it offers consistent cooling performance while maintaining low energy consumption.

Energy Efficiency & Smart Control

The Blue e series focuses on reducing operating costs. Therefore, it uses advanced cooling technology combined with the e-Comfort controller.

In addition, cooling units from 500 W and above can be linked to the Blue e IoT adaptor. As a result, users can enable remote monitoring and improve system reliability.

The Energy Efficiency Ratio (EER) at L35 L35 is:

• 1.4 at 50 Hz

• 1.21 at 60 Hz

Cooling Performance (DIN EN 14511)

• L35 L35 / 50 Hz: 0.55 kW

• L35 L35 / 60 Hz: 0.66 kW

• L35 L50 / 50 Hz: 0.33 kW

• L35 L50 / 60 Hz: 0.40 kW

Furthermore, the unit delivers strong airflow performance:

• External circuit: 315 m³/h

• Internal circuit: 265 m³/h

Electrical Data

• Rated Voltage: 230 V, 1~, 50/60 Hz

• Rated Current (max.): 2.6 A

• Start-up Current (max.):

  • 5.1 A (50 Hz)

  • 6.4 A (60 Hz)

• Pre-fuse: 10 A miniature circuit breaker

Power Consumption (Pel):

• L35 L35 / 50 Hz: 0.39 kW

• L35 L35 / 60 Hz: 0.41 kW

• L35 L50 / 50 Hz: 0.45 kW

• L35 L50 / 60 Hz: 0.42 kW

Construction & Design

This unit features a durable sheet steel housing finished in RAL 7035. Additionally, the condenser includes a hydrophobic RiNano coating to improve protection and longevity.

Design: Wall-mounted
Dimensions (W x H x D): 280 x 550 x 210 mm
Protection Class:

• IEC 60 529: External circuit IP34

• NEMA: UL Type 12

Refrigerant & Environmental Data

• Refrigerant: R134a

• Quantity: 0.17 kg

• GWP: 1,430

• CO₂ Equivalent: 0.24 t

• Maximum Operating Pressure: 28 bar

Temperature Ranges

• Operating Temperature: 10 °C to 55 °C

• Storage Temperature: -40 °C to 70 °C

• Factory Setting: +35 °C

• Adjustable Setting Range: 20 °C to 55 °C

Supply Includes

• Fully wired unit with plug-in terminal strip

• Condenser with RiNano coating

• Drilling template

• Assembly parts

Additional Information

• Pack Size: 1 piece

• Customs Tariff Number: 84158200

• EAN: 4028177322844

• ETIM 7.0: EC000855

• ECLASS 8.0: 27180704

Conclusion

Overall, the Rittal SK Blue e 0.55 kW wall-mounted cooling unit delivers dependable and energy-efficient enclosure climate control. Because stable temperatures protect sensitive electronics, this unit improves performance, reduces downtime, and extends equipment life.