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SK3329.504 Rittal Blue e cooling unit Wall-mounted NEMA 4X 2.55 kW 230 V 1~ 50/60 Hz Stainless steel
Rittal SK 3329.504 TopTherm Blue e is a 2.55 kW NEMA 4X wall-mounted enclosure cooling unit with 230 V single-phase operation, AISI 316L stainless steel construction, e-Comfort control and IP34 external circuit protection.
£5,820.06
Why Choose the Rittal SK 3329.504 TopTherm Blue e NEMA 4X Wall-Mounted Cooling Unit?
The Rittal SK 3329.504 is an energy-efficient TopTherm Blue e wall-mounted enclosure cooling unit designed for dependable climate control in demanding industrial environments. As part of the proven Rittal Blue e cooling range, it combines efficient refrigeration technology, intelligent e-Comfort control and corrosion-resistant stainless steel construction with a NEMA 4X protection category.
The unit is engineered to remove heat from electrical and electronic enclosures while helping maintain stable operating temperatures for sensitive components. Its integrated e-Comfort controller provides precise temperature regulation, while the hydrophobic RiNano-coated condenser and integral electric condensate evaporation support reliable operation and reduced maintenance requirements.
With a cooling output of 2.55 kW at L35/L35 and 50 Hz, a 230 V single-phase, 50/60 Hz supply and dimensions of 405 × 1650 × 388 mm (W × H × D), the SK 3329.504 is suitable for wall-mounted installation on industrial enclosures. Its AISI 316L stainless steel housing, IP34 external circuit, IP55 internal circuit and NEMA 4X rating make it particularly well suited to harsh or corrosive environments.
Key Advantages
- Energy-efficient 2.55 kW wall-mounted enclosure cooling unit.
- NEMA 4X protection category for demanding industrial environments.
- Corrosion-resistant stainless steel 1.4404 / AISI 316L construction.
- Integrated e-Comfort controller provides precise temperature regulation.
- Integral electric condensate evaporation simplifies installation and moisture management.
- Hydrophobic RiNano-coated condenser helps reduce maintenance requirements.
- May be connected to a Rittal IoT interface via a compatible Blue e IoT adaptor.
- IP34 external circuit and IP55 internal circuit provide robust enclosure protection.
Key Features
- Rittal TopTherm Blue e NEMA 4X series.
- 2.55 kW cooling output at L35/L35 and 50 Hz.
- 2.6 kW cooling output at L35/L35 and 60 Hz.
- 230 V, single-phase, 50/60 Hz rated supply.
- External and internal air throughput of 1,230 m³/h.
- e-Comfort controller with factory setting of +35 °C.
- R-513A refrigerant.
- Operating temperature range of 10–50 °C.
- Integral electric condensate evaporation.
- Fully wired ready for connection via plug-in terminal strip.
Reliable Cooling for Harsh Industrial Environments
Wall-mounted cooling units such as the Rittal SK 3329.504 remove excess heat generated by drives, PLCs, power electronics and other components inside industrial enclosures. Maintaining a controlled internal temperature helps reduce thermal stress, improve component reliability and support consistent operation of machinery and automation systems.
The SK 3329.504 combines Blue e cooling technology with stainless steel construction and NEMA 4X protection for applications where corrosion resistance and environmental protection are important. Its e-Comfort controller, RiNano-coated condenser and integrated condensate evaporation provide a practical cooling solution for demanding industrial installations.
Typical Applications
- Industrial electrical control cabinets.
- Automation and PLC enclosures.
- Food and beverage production environments.
- Pharmaceutical and process industry installations.
- Machine tool and manufacturing equipment.
- Corrosive or washdown-prone industrial environments.
- Applications requiring stainless steel NEMA 4X enclosure cooling.
Technical Specifications
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| Device Type | Wall / door-mounted cooling unit | |
|---|---|---|
| Refrigerant Type | R513A | |
| Housing Material | Stainless steel | |
| Coil / Supply Voltage | 230 V AC, 1-phase | |
| Voltage | 230 V AC | |
| Cooling Output (W) | 2550 W | |
| Manufacturer | Rittal | |
| Series | TopTherm Blue e NEMA 4X | |
| Model | SK 3329.504 | |
| Product type | Wall-mounted enclosure cooling unit | |
| Cooling output L35/L35 at 50 Hz | 2.55 kW | |
| Cooling output L35/L35 at 60 Hz | 2.6 kW | |
| Cooling output L35/L50 at 50 Hz | 1.8 kW | |
| Cooling output L35/L50 at 60 Hz | 1.8 kW | |
| Rated operating voltage | 230 V AC, 1-phase, 50/60 Hz | |
| Rated current | 7.9 A at 50 Hz / 10.1 A at 60 Hz | |
| Start-up current | 25 A at 50 Hz / 22 A at 60 Hz | |
| Power consumption L35/L35 | 1.21 kW at 50 Hz / 1.53 kW at 60 Hz | |
| External air throughput | 1,230 m³/h | |
| Internal air throughput | 1,230 m³/h | |
| Energy Efficiency Ratio L35/L35 | 2.11 at 50 Hz / 1.7 at 60 Hz | |
| Protection rating, external circuit | IP34 | |
| Protection rating, internal circuit | IP55 | |
| NEMA protection | NEMA 4X | |
| Temperature control | e-Comfort controller | |
| Factory temperature setting | +35 °C | |
| Operating temperature range | 10–50 °C | |
| Setting range | 20–50 °C | |
| Refrigerant | R-513A | |
| Refrigerant quantity | 1.1 kg | |
| Refrigerant GWP | 631 | |
| CO₂ equivalent | 0.69 t | |
| Maximum permissible operating pressure | 28 bar | |
| Pre-fuse | 16 A | |
| Colour | RAL 7001 | |
| Width | 405 mm | |
| Height | 1650 mm | |
| Depth | 388 mm | |
| Dimensions (W × H × D) | 405 × 1650 × 388 mm | |
| Net weight | 75.4 kg | |
| Gross weight | 95 kg |
Frequently Asked Questions
What is the Rittal SK 3329.504 used for?
The Rittal SK 3329.504 is a TopTherm Blue e NEMA 4X wall-mounted cooling unit designed to control the internal temperature of industrial electrical and electronic enclosures.
What cooling output does the Rittal SK 3329.504 provide?
The unit provides 2.55 kW at L35/L35 and 50 Hz and 2.6 kW at L35/L35 and 60 Hz.
What material is the Rittal SK 3329.504 made from?
The enclosure is manufactured from corrosion-resistant stainless steel 1.4404 / AISI 316L, making it suitable for demanding industrial environments.
What are the protection ratings of the Rittal SK 3329.504?
The unit has an IP34 external circuit, an IP55 internal circuit and a NEMA 4X protection category.
What are the dimensions of the Rittal SK 3329.504?
The cooling unit measures 405 × 1650 × 388 mm (W × H × D), including a depth of 388 mm.
Trusted Industrial Cooling Technology from Rittal
Rittal TopTherm Blue e NEMA 4X cooling units combine energy-efficient enclosure cooling, stainless steel construction, intelligent temperature control and robust environmental protection for demanding industrial applications.
