Rittal SK RTT Blue e 1000W Roof-Mounted Enclosure Cooling Unit

The Rittal SK Blue e 1 kW roof-mounted cooling unit (Article No. SK 3383.500) is designed to deliver reliable and energy-efficient climate control for industrial enclosures. With integrated e-Comfort controller and electric condensate evaporation as standard, this unit ensures consistent internal cabinet temperatures even in demanding environments.

Moreover, the Blue e series supports cooling outputs from 500 W to 4,000 W, making it suitable for a wide range of control panels and automation systems. Thanks to its roof-mounted design, the unit optimizes space utilization while maintaining strong airflow performance.

In addition, the integrated hydrophobic RiNano-coated condenser improves durability and reduces maintenance requirements. As a result, users benefit from longer service life and improved operational reliability.

Key Benefits

• Integrated e-Comfort controller for precise temperature regulation

• Built-in electric condensate evaporation

• Energy-efficient operation with high EER values

• Compatible with Blue e IoT adaptor (from 500 W models)

• Low noise operation – suitable for office environments

• Fully wired and ready for connection

Technical Specifications

General Information

• Article Number: SK 3383.500

• Cooling Output (L35 L35 / 50 Hz): 1 kW

• Cooling Output (L35 L35 / 60 Hz): 1.09 kW

• Rated Voltage: 230 V, 1~, 50/60 Hz

• Material: Sheet steel

• Colour: RAL 7035

• Design: Roof-mounted

Electrical Data

• Rated Current:

  • 2.9 A (50 Hz)

  • 3.9 A (60 Hz)

• Start-up Current:

  • 8.8 A (50 Hz)

  • 10.1 A (60 Hz)

• Pre-fuse: 10 A miniature circuit-breaker

• Duty Cycle: 100%

Airflow Performance

• External Circuit: 1,600 m³/h

• Internal Circuit: 491 m³/h

Energy Efficiency

• EER (50 Hz): 2.58

• EER (60 Hz): 2.28

• Power Consumption (L35 L35 / 50 Hz): 0.38 kW

• Power Consumption (L35 L35 / 60 Hz): 0.47 kW

Dimensions & Protection

• Width: 597 mm

• Height: 417 mm

• Depth: 475 mm

• Weight: 40 kg

• Protection Category: IP 34 (external circuit)

Refrigerant Information

• Refrigerant: R134a

• Quantity: 0.65 kg

• GWP: 1,430

• CO₂ Equivalent: 0.93 t