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NVENT HOFFMAN CUON21004SS Outdoor cooling unit 2100W
nVent HOFFMAN CUON21004SS outdoor cooling unit with 2100 W cooling capacity, stainless steel construction, 400 V AC three phase supply and IP55 protection for industrial enclosures.
Why Choose the nVent HOFFMAN CUON21004SS Outdoor Cooling Unit?
The nVent HOFFMAN CUON21004SS is a high-performance stainless steel outdoor enclosure cooling unit designed to provide reliable thermal management for electrical cabinets installed in harsh industrial environments. As part of the nVent HOFFMAN CUON outdoor cooling unit series, it delivers efficient cooling performance while protecting sensitive electrical and automation components from excessive heat build-up and environmental exposure.
The CUON21004SS features an external vertical mounting design that maximises available enclosure space while providing effective cooling for outdoor applications. Its stainless steel AISI 304 construction makes it suitable for demanding environments where enhanced corrosion resistance is required.
With a 2100 W cooling capacity, 400 V AC three-phase supply and IP55 / TYPE 4X protection rating, the CUON21004SS is ideal for outdoor control cabinets, industrial automation systems and electrical enclosures operating in challenging conditions.
Key Advantages
- High-performance outdoor cooling unit for industrial electrical enclosures.
- 2100 W cooling capacity for reliable enclosure temperature control.
- Stainless steel AISI 304 construction for harsh industrial environments.
- IP55 / TYPE 4X protection rating suitable for outdoor installations.
- External mounting design preserves valuable internal enclosure space.
- Smart energy management reduces energy consumption compared with traditional cooling solutions.
- Self-cleaning condenser coil removes the need for a standard air filter.
Key Features
- nVent HOFFMAN CUON outdoor cooling unit series.
- 2100 W cooling capacity at L35L35 conditions.
- 1800 W cooling capacity at L35L50 conditions.
- 400 V AC three-phase power supply at 50 Hz / 460 V AC at 60 Hz.
- IP55 / TYPE 4X protection rating.
- Vertical outdoor mounting configuration.
- AISI 304 stainless steel construction for improved corrosion resistance.
- Ozone-friendly R134a refrigerant.
- Integrated condensation dissipator.
- Adjustable thermostat from 25 °C to 45 °C.
- Factory thermostat setting of 35 °C.
- Terminal connection included for simplified installation.
Reliable Thermal Management for Outdoor Enclosures
The nVent HOFFMAN CUON21004SS maintains stable internal enclosure temperatures by removing heat generated by PLCs, drives, power supplies and other electrical components. Effective cooling helps improve equipment reliability and reduces the risk of overheating in critical applications.
Designed for outdoor industrial environments, the CUON series combines robust stainless steel construction with efficient cooling technology. The self-cleaning condenser coil reduces maintenance requirements, while smart energy management helps optimise operating costs.
Typical Applications
- Outdoor industrial control cabinets.
- Electrical switchgear and distribution enclosures.
- Automation systems installed in harsh environments.
- Remote monitoring and infrastructure cabinets.
- Machine building and OEM outdoor equipment.
- Power electronics and industrial control systems.
Technical Specifications
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| Device Type | Wall / door-mounted cooling unit | |
|---|---|---|
| Coil / Supply Voltage | 400 V AC, 3-phase | |
| IP Rating | IP55 | |
| Voltage | 400 V AC | |
| Cooling Output (W) | 2100 W | |
| Country of Manufacture | Italy | |
| Manufacturer | nVent HOFFMAN | |
| Series | CUON Outdoor Cooling Units | |
| Model | CUON21004SS | |
| Product type | Outdoor vertical enclosure cooling unit | |
| Cooling capacity L35L35 | 2100 W | |
| Cooling capacity L35L50 | 1800 W | |
| Power consumption L35L50 | 1200 W | |
| Power supply | 400 V AC / 460 V AC | |
| Input phases | 3-phase | |
| Frequency | 50 / 60 Hz | |
| Maximum running current | 3.62 A | |
| Starting current | 22 A | |
| Pre-fuse | 15 A | |
| Noise level | 69 dB | |
| NEMA rating | TYPE 4X | |
| Dimensions (H × W × D) | approx. 999 × 409 × 286 mm | |
| Weight | approx. 53.33 kg | |
| Internal operating temperature range | +25 °C to +45 °C | |
| External operating temperature range | -40 °C to +55 °C |
Frequently Asked Questions
What is the nVent HOFFMAN CUON21004SS used for?
The CUON21004SS is used to cool outdoor electrical enclosures and control cabinets where reliable temperature management and corrosion resistance are required.
What cooling capacity does the CUON21004SS provide?
The unit provides a cooling capacity of 2100 W under L35L35 conditions and 1800 W under L35L50 conditions.
What power supply does the CUON21004SS require?
The cooling unit operates from a 400 V AC three-phase supply at 50 Hz or 460 V AC at 60 Hz.
Is the CUON21004SS suitable for harsh outdoor environments?
Yes, the unit is manufactured from AISI 304 stainless steel and provides IP55 / TYPE 4X protection for demanding outdoor applications.
Does the CUON21004SS require an air filter?
The unit uses a self-cleaning condenser coil, eliminating the need for a standard air filter and reducing maintenance requirements.
Trusted by Industrial Automation Professionals
nVent HOFFMAN CUON outdoor cooling units are trusted by engineers and machine builders worldwide to provide dependable enclosure cooling and protect critical electrical systems in challenging industrial environments.
