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NVENT HOFFMAN CUON40504SS Outdoor cooling unit 4050W
nVent HOFFMAN CUON40504SS outdoor cooling unit with stainless steel construction, 4050 W cooling capacity and IP55 protection for industrial electrical enclosures.
Why Choose the nVent HOFFMAN CUON40504SS Outdoor Cooling Unit?
The nVent HOFFMAN CUON40504SS is a high-performance outdoor enclosure cooling unit designed to maintain reliable operating temperatures for electrical and automation equipment installed in demanding outdoor environments. As part of the nVent HOFFMAN CUON outdoor cooling unit series, it provides efficient thermal management while maximising available enclosure space through external vertical mounting.
Manufactured with stainless steel AISI 304 construction, the CUON40504SS is designed for harsh environments where enhanced corrosion resistance is required. The unit provides a cooling capacity of 4050 W at L35L35 conditions and 3260 W at L35L50 conditions, helping protect sensitive electrical components from excessive heat.
Designed for outdoor installation, this cooling unit provides IP55 protection with NEMA Type 4 and Type 4X classification. It operates from a 400 V AC three-phase supply at 50 Hz or 460 V AC three-phase supply at 60 Hz, making it suitable for industrial enclosure climate control applications.
Key Advantages
- 4050 W outdoor cooling capacity for large industrial enclosure applications.
- Stainless steel AISI 304 construction for harsh outdoor environments.
- IP55 / NEMA Type 4 and Type 4X protection for outdoor enclosure applications.
- External mounting design maximises available enclosure space.
- Smart energy management reduces energy consumption by up to 23% compared with traditional solutions.
- Self-cleaning condenser coil reduces maintenance requirements by eliminating the need for a standard air filter.
Key Features
- nVent HOFFMAN CUON outdoor cooling unit series.
- 4050 W cooling capacity at L35L35 conditions.
- 3260 W cooling capacity at L35L50 conditions.
- 400 V AC three-phase supply at 50 Hz / 460 V AC three-phase supply at 60 Hz.
- IP55 protection with NEMA Type 4 / Type 4X classification.
- Vertical external mounting configuration.
- Self-cleaning condenser coil design.
- Ozone-friendly R134a refrigerant.
- Adjustable thermostat with factory setting of 35 °C.
Reliable Thermal Management for Industrial Enclosures
Industrial cooling units such as the nVent HOFFMAN CUON40504SS help maintain stable enclosure temperatures by removing heat generated by drives, controllers, power supplies and automation equipment. Effective climate control improves equipment reliability and supports longer component service life.
The CUON series is engineered for critical outdoor applications where electrical enclosures require dependable cooling performance. Its external mounting arrangement preserves valuable internal cabinet space while providing efficient thermal control in challenging environments.
Typical Applications
- Outdoor electrical control cabinets.
- Industrial automation enclosures.
- Power distribution equipment.
- Process control systems.
- Telecommunication and infrastructure cabinets.
- Large machine control installations.
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) | 4050 W | |
| Country of Manufacture | Italy | |
| Manufacturer | nVent HOFFMAN | |
| Series | CUON Outdoor Cooling Units | |
| Model | CUON40504SS | |
| Product type | Outdoor enclosure cooling unit | |
| Cooling capacity L35L35 | 4050 W | |
| Cooling capacity L35L50 | 3260 W | |
| Power supply | 400 V AC / 460 V AC | |
| Phases | 3-phase | |
| Frequency | 50 / 60 Hz | |
| Maximum running current | 5.96 A | |
| Starting current | 19 A | |
| Pre-fuse | 15 A | |
| NEMA rating | Type 4 / Type 4X | |
| Dimensions (H × W × D) | 1211 × 511 × 356 mm | |
| Weight | 94.44 kg | |
| Noise level | 70 dB |
Frequently Asked Questions
What is the nVent HOFFMAN CUON40504SS used for?
The CUON40504SS is an outdoor cooling unit designed to control the temperature inside large electrical enclosures and protect installed equipment.
What cooling capacity does the CUON40504SS provide?
The unit provides a cooling capacity of 4050 W at L35L35 conditions.
What power supply does the CUON40504SS require?
The CUON40504SS operates from a 400 V AC three-phase supply at 50 Hz or 460 V AC three-phase supply at 60 Hz.
What protection rating does this outdoor cooling unit have?
The unit provides IP55 protection with NEMA Type 4 and Type 4X classification for outdoor applications.
Where is the CUON40504SS typically installed?
The cooling unit is typically installed externally on large industrial electrical enclosures, automation cabinets and outdoor control systems.
Trusted by Industrial Engineers Worldwide
nVent HOFFMAN climate control solutions are trusted by engineers and system builders worldwide for protecting electrical equipment through reliable enclosure cooling and thermal management.
