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NVENT HOFFMAN DEK40NTUB Roof cooling unit 3800W, 400-460V, Mild steel, IP54
nVent HOFFMAN DEK40NTUB roof cooling unit with 3850 W cooling capacity designed for industrial enclosure thermal management and electrical cabinet cooling.
£2,757.00
Why Choose the nVent HOFFMAN DEK40NTUB Roof Cooling Unit?
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.
Key Advantages
- High-performance roof-mounted cooling solution for industrial enclosures.
- 3850 W cooling capacity for effective thermal management.
- 460 V AC three-phase operation for industrial power systems.
- IP54 enclosure protection helps protect against dust and water ingress.
- Roof installation saves valuable cabinet door and side panel space.
- Reliable cooling for electrical, automation and control equipment.
Key Features
- nVent HOFFMAN DEK40 roof cooling unit series.
- 3850 W L35/L35 cooling capacity.
- 2870 W L35/L50 cooling capacity.
- 460 V AC three-phase supply.
- 1450 m³/h cabinet air fan capacity.
- IP54 protection rating for industrial enclosure cooling.
- Roof-mounted design for efficient cabinet integration.
- Galvanised steel construction with RAL 7035 finish.
- Digital temperature control and efficient thermal management.
Reliable Thermal Management for Industrial Enclosures
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.
Typical Applications
- Industrial control cabinets and electrical enclosures.
- Automation systems and machine control panels.
- Manufacturing and production equipment.
- Power distribution and switchgear assemblies.
- Process control systems.
- OEM machinery and industrial installations.
Technical Specifications
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| Mounting Type | Roof | |
|---|---|---|
| Coil / Supply Voltage | 400–460 V AC, 3-phase | |
| Device Type | Roof-mounted cooling unit | |
| IP Rating | IP54 | |
| Voltage | 400-460 V AC | |
| Cooling Output (W) | 3800 W | |
| 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 | |
| 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 |
Frequently Asked Questions
What is the nVent HOFFMAN DEK40NTUB used for?
The DEK40NTUB is used to cool industrial electrical enclosures and control cabinets by removing excess heat from installed equipment.
What cooling capacity does this unit provide?
The unit provides a cooling capacity of 3850 W under L35/L35 conditions.
What supply voltage does the DEK40NTUB require?
The DEK40NTUB operates from a 460 V AC three-phase supply.
Where is this cooling unit installed?
The unit is installed on the roof of an electrical enclosure, making it ideal where door or side panel mounting space is limited.
What protection rating does this cooling unit have?
The DEK40NTUB features an IP54 protection rating for industrial enclosure applications.
Trusted by Industrial Automation Professionals
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.
