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SK3383.540 Rittal Blue e cooling unit Roof-mounted 1 kW 400 V 2~ 50/60 Hz Sheet steel
Rittal SK 3383.540 is a 1 kW TopTherm Blue e roof-mounted enclosure cooling unit with 400 V two-phase operation, e-Comfort temperature control, integral condensate evaporation and IP34 external/IP54 internal circuit protection.
£2,029.43
Why Choose the Rittal SK 3383.540 TopTherm Blue e Roof-Mounted Cooling Unit?
The Rittal SK 3383.540 is an energy-efficient TopTherm Blue e roof-mounted cooling unit designed for dependable climate control of industrial electrical and electronic enclosures. As part of the proven Rittal Blue e cooling range, it combines efficient refrigeration technology, intelligent e-Comfort control and a compact roof-mounted format that preserves valuable enclosure side and door space.
The cooling unit incorporates an e-Comfort controller as standard for precise enclosure temperature regulation and monitoring. Its condenser features a hydrophobic RiNano coating to help reduce contamination, while integrated electrical condensate evaporation simplifies moisture management. The unit can also be connected to a Rittal IoT interface using a compatible Blue e IoT adaptor for enhanced monitoring and integration.
With a cooling output of 1 kW at L35/L35 and 50 Hz, a 400 V AC, two-phase, 50/60 Hz supply and dimensions of 597 × 417 × 475 mm (W × H × D), the SK 3383.540 provides compact and reliable enclosure cooling. Its sheet steel housing, IP34 external circuit and IP54 internal circuit make it well suited to industrial automation, machinery and electrical control applications.
Key Advantages
- Energy-efficient 1 kW roof-mounted enclosure cooling unit.
- TopTherm Blue e technology supports efficient industrial climate control.
- Integrated e-Comfort controller provides precise temperature regulation and monitoring.
- Electrical condensate evaporation is integrated as standard.
- Hydrophobic RiNano-coated condenser helps reduce contamination and maintenance requirements.
- Roof-mounted configuration preserves enclosure doors and side panels for equipment access.
- Compatible with a Rittal IoT interface via a suitable Blue e IoT adaptor.
- IP34 external circuit and IP54 internal circuit provide separate protection for the ambient and enclosure-facing sides.
Key Features
- Rittal TopTherm Blue e roof-mounted cooling unit.
- 1 kW cooling output at L35/L35 and 50 Hz.
- 1.09 kW cooling output at L35/L35 and 60 Hz.
- 0.8 kW cooling output at L35/L50 and 50 Hz.
- 0.81 kW cooling output at L35/L50 and 60 Hz.
- 400 V AC, two-phase, 50/60 Hz rated operating voltage.
- e-Comfort controller with factory temperature setting of +35 °C.
- Operating temperature range of 10–55 °C.
- Fully wired with plug-in terminal strip.
- 100% duty cycle for continuous industrial operation.
Energy-Efficient Roof-Mounted Enclosure Cooling
Roof-mounted cooling units such as the Rittal SK 3383.540 remove excess heat generated by drives, PLCs, power electronics and other components inside industrial enclosures. The closed refrigeration circuit keeps the internal enclosure air separated from the surrounding environment, helping protect sensitive equipment while maintaining a controlled operating temperature.
The roof-mounted configuration is particularly useful where enclosure doors and side panels need to remain unobstructed. Combined with e-Comfort control, integrated condensate evaporation and optional IoT connectivity, the SK 3383.540 provides a practical and intelligent cooling solution for modern industrial automation and electrical systems.
Typical Applications
- Industrial electrical control enclosures.
- Automation and PLC cabinets.
- Machine and production-line control systems.
- Drive and inverter enclosures.
- Power electronics and electrical equipment.
- Applications where enclosure side and door space must remain available.
- Control cabinets requiring roof-mounted climate control.
- Industrial systems requiring e-Comfort monitoring and optional IoT connectivity.
Technical Specifications
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| Coil / Supply Voltage | 400 V AC, 3-phase | |
|---|---|---|
| Device Type | Roof-mounted cooling unit | |
| Housing Material | Steel | |
| Voltage | 400 V AC | |
| Cooling Output (W) | 1000 W | |
| Manufacturer | Rittal | |
| Series | TopTherm Blue e | |
| Model | SK 3383.540 | |
| Product type | Roof-mounted enclosure cooling unit | |
| Design | Roof-mounted | |
| Colour | RAL 7035 | |
| Cooling output L35/L35 at 50 Hz | 1 kW | |
| Cooling output L35/L35 at 60 Hz | 1.09 kW | |
| Cooling output L35/L50 at 50 Hz | 0.8 kW | |
| Cooling output L35/L50 at 60 Hz | 0.81 kW | |
| Rated operating voltage | 400 V AC, 2-phase, 50/60 Hz | |
| Power consumption L35/L35 at 50 Hz | 0.42 kW | |
| Power consumption L35/L35 at 60 Hz | 0.56 kW | |
| Power consumption L35/L50 at 50 Hz | 0.48 kW | |
| Power consumption L35/L50 at 60 Hz | 0.65 kW | |
| External circuit air throughput | 1600 m³/h | |
| Internal circuit air throughput | 491 m³/h | |
| Energy Efficiency Ratio L35/L35 at 50 Hz | 2.4 | |
| Energy Efficiency Ratio L35/L35 at 60 Hz | 1.95 | |
| Protection rating, external circuit | IP34 | |
| Protection rating, internal circuit | IP54 | |
| Temperature control | e-Comfort controller | |
| Factory temperature setting | +35 °C | |
| Operating temperature range | 10–55 °C | |
| Maximum operating temperature at 60 Hz | 53 °C | |
| Storage temperature range | -40–70 °C | |
| Temperature setting range | 20–53 °C | |
| Maximum permissible operating pressure | 28 bar | |
| Electrical connection | Plug-in terminal strip | |
| Pre-fuse | Transformer circuit-breaker, 6.3–10 A | |
| Duty cycle | 100% | |
| Condensate management | Integral electrical condensate evaporation | |
| Condenser | Hydrophobic RiNano coating | |
| Width | 597 mm | |
| Height | 417 mm | |
| Depth | 475 mm | |
| Dimensions (W × H × D) | 597 × 417 × 475 mm | |
| Net weight | 46.55 kg | |
| Gross weight | 49 kg | |
| Pack quantity | 1 pc | |
| EAN | 4028177323223 | |
| Customs tariff number | 84158200 | |
| Approvals | UL + C-UL listed, UL + C-UL FTTA | |
| Supply includes | Cooling unit with RiNano-coated condenser, integral electrical condensate evaporation, plug-in terminal strip, drilling template and assembly parts |
Frequently Asked Questions
What is the Rittal SK 3383.540 used for?
The Rittal SK 3383.540 is a TopTherm Blue e roof-mounted cooling unit designed to control the internal temperature of industrial electrical and electronic enclosures.
What cooling output does the Rittal SK 3383.540 provide?
The unit provides 1 kW at L35/L35 and 50 Hz and 1.09 kW at L35/L35 and 60 Hz.
What supply voltage does the Rittal SK 3383.540 require?
The SK 3383.540 operates from a 400 V AC, two-phase, 50/60 Hz supply.
What are the IP ratings of the Rittal SK 3383.540?
The cooling unit has an IP34 external circuit and an IP54 internal circuit.
What are the dimensions of the Rittal SK 3383.540?
The SK 3383.540 measures 597 × 417 × 475 mm (W × H × D), including a depth of 475 mm.
Trusted Enclosure Climate Control from Rittal
Rittal TopTherm Blue e cooling units combine efficient refrigeration, intelligent e-Comfort temperature control, integrated condensate management and robust closed-circuit cooling for dependable thermal management of industrial electrical and electronic enclosures.
