nVent HOFFMAN DEK40NTUB roof cooling unit with 3850 W cooling capacity designed for industrial enclosure thermal management and electrical cabinet cooling.
£3,676.00
The nVent HOFFMAN DEK40NTUB is a high-performance roof-mounted enclosure cooling unit designed to maintain safe operating temperatures for industrial electrical cabinets and automation enclosures. As part of the reliable nVent HOFFMAN DEK40 series, it provides efficient thermal management where side or door-mounted cooling solutions are unsuitable.
This roof cooling unit delivers dependable enclosure climate control by removing excess heat and protecting sensitive electrical and electronic components from overheating. Its compact roof installation design helps maximise available enclosure space while providing efficient cooling performance for demanding industrial applications.
With a cooling capacity of 3850 W and a 460 V AC three-phase supply, the DEK40NTUB is suitable for large industrial control cabinets and electrical assemblies requiring reliable heat dissipation. The galvanised steel construction and IP54 protection rating provide robust protection for industrial environments.
Enclosure cooling units such as the nVent HOFFMAN DEK40NTUB regulate internal cabinet temperatures by removing heat generated by electrical components. This helps prevent thermal stress, improves equipment reliability and extends the service life of automation hardware.
The DEK40 series is designed for industrial control panels, machine building applications and electrical installations where dependable cooling performance is required. Its roof-mounted format allows efficient installation while maintaining accessibility and valuable enclosure space.
| Country of Manufacture | Italy |
|---|---|
| Manufacturer | nVent HOFFMAN |
| Series | DEK40 |
| Model | DEK40NTUB |
| Product type | Roof-mounted enclosure air conditioning unit |
| Cooling capacity L35/L35 | 3850 W |
| Cooling capacity L35/L50 | 2870 W |
| Input voltage | 460 V AC |
| Input phases | Three-phase |
| Frequency | 60 Hz |
| Maximum current | 4.3 A |
| Power consumption L35/L35 | 1950 W |
| Protection rating | IP54 |
| Material | Galvanised steel |
| Mounting type | Roof mounting |
| Airflow | 1450 m³/h |
| Operating temperature range outside | +20 °C to +50 °C |
| Operating temperature range inside | +20 °C to +45 °C |
| Dimensions (H × W × D) | 496 × 492 × 784 mm |
| Weight | approx. 86 kg |
The DEK40NTUB is used to cool industrial electrical enclosures and control cabinets by removing excess heat from installed equipment.
The unit provides a cooling capacity of 3850 W under L35/L35 conditions.
The DEK40NTUB operates from a 460 V AC three-phase supply.
The unit is installed on the roof of an electrical enclosure, making it ideal where door or side panel mounting space is limited.
The DEK40NTUB features an IP54 protection rating for industrial enclosure applications.
nVent HOFFMAN DEK40 roof cooling units are trusted by engineers and machine builders worldwide to provide efficient enclosure cooling, reliable thermal protection and improved equipment performance.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...