Why Choose the nVent HOFFMAN DEK04BTU9 Roof Mount Air Conditioner?
The nVent HOFFMAN DEK04BTU9 is a compact and reliable roof mount air conditioner designed to provide efficient thermal management for industrial electrical enclosures and control cabinets. As part of the nVent HOFFMAN enclosure cooling range, it helps maintain stable internal temperatures to protect sensitive automation, control and electrical components.
Manufactured with a durable stainless steel housing, the DEK04BTU9 is designed for demanding industrial environments where corrosion resistance and dependable enclosure climate control are required. Its roof-mounted design helps save valuable enclosure space while providing effective cooling performance.
With a cooling capacity of 410 W, a 230 V AC supply and compact dimensions of 260 mm × 259 mm × 481 mm, the DEK04BTU9 is suitable for electrical cabinets containing heat-sensitive components such as PLCs, drives and automation equipment.
Key Advantages
Compact roof mount air conditioner designed for industrial enclosures.
410 W cooling capacity for effective cabinet temperature control.
230 V AC operation suitable for common industrial power systems.
Stainless steel construction provides corrosion resistance and durability.
Roof-mounted installation saves enclosure side space.
UL approved design for reliable industrial applications.
Key Features
nVent HOFFMAN roof mount cooling unit range.
410 W cooling capacity.
230 V AC input supply.
Stainless steel enclosure construction.
Roof mounting design for electrical cabinets.
Height: 260 mm.
Width: 259 mm.
Depth: 481 mm.
Designed for industrial enclosure thermal management.
Suitable for automation and control cabinet applications.
Reliable Enclosure Cooling for Industrial Systems
Roof mount air conditioners such as the nVent HOFFMAN DEK04BTU9 help prevent excessive heat build-up inside electrical enclosures by actively removing heat generated by automation and control components. Maintaining a stable enclosure temperature improves equipment reliability and extends component service life.
The nVent HOFFMAN cooling range is designed for panel builders, automation engineers and industrial users requiring efficient enclosure climate control solutions with dependable performance and straightforward installation.
Typical Applications
Industrial automation control cabinets.
PLC and electrical control enclosures.
Machine building systems.
Motor control panels.
Manufacturing equipment cabinets.
Industrial electrical installations requiring active cooling.
Technical Specifications
Country of Manufacture
Italy
Manufacturer
nVent HOFFMAN
Series
Roof Mount Air Conditioners
Model
DEK04BTU9
Product type
Roof mount air conditioner
Cooling capacity
410 W
Power supply
230 V AC
Material
Stainless steel
Mounting type
Roof mounting
Approval
UL
Height
260 mm
Width
259 mm
Depth
481 mm
Application
Industrial electrical cabinets and control enclosures
Frequently Asked Questions
What is the nVent HOFFMAN DEK04BTU9 used for?
The DEK04BTU9 is used to provide active cooling for electrical enclosures containing automation and control equipment.
What cooling capacity does the DEK04BTU9 provide?
The DEK04BTU9 provides a cooling capacity of 410 W.
What supply voltage does the air conditioner require?
The DEK04BTU9 operates from a 230 V AC supply.
What material is the air conditioner manufactured from?
The DEK04BTU9 features a stainless steel construction suitable for demanding industrial environments.
Where is this air conditioner installed?
The DEK04BTU9 is installed on the roof of compatible electrical enclosures to provide efficient cabinet cooling.
Trusted by Industrial Panel Builders Worldwide
nVent HOFFMAN enclosure cooling systems are widely used by electrical engineers and panel builders to provide reliable thermal management, improved equipment protection and efficient industrial operation.
Country of Manufacture
Italy
Manufacturer
nVent HOFFMAN
Series
Roof Mount Air Conditioners
Model
DEK04BTU9
Product type
Roof mount air conditioner
Cooling capacity
410 W
Power supply
230 V AC
Material
Stainless steel
Mounting type
Roof mounting
Approval
UL
Height
260 mm
Width
259 mm
Depth
481 mm
Application
Industrial electrical cabinets and control enclosures
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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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...