Why Choose the nVent HOFFMAN BLU35BX0B Air/Water Indoor Heat Exchanger?
The nVent HOFFMAN BLU35BX0B is a high-performance air/water indoor heat exchanger designed to provide reliable thermal management for electrical enclosures and industrial control cabinets. Delivering a cooling capacity of 3500 W, it helps maintain safe operating temperatures for sensitive electrical and automation equipment.
Designed as part of the nVent HOFFMAN enclosure cooling portfolio, the BLU35BX0B uses air/water heat exchange technology to remove heat from enclosed systems while maintaining enclosure integrity. This makes it ideal for applications where conventional air cooling is unsuitable due to environmental conditions or contamination risks.
With a 230 V AC supply, galvanised steel construction and a compact enclosure-mounted format, the BLU35BX0B provides efficient and dependable cooling for industrial automation systems, control panels and electrical cabinets.
Key Advantages
Efficient air/water heat exchanger for industrial electrical enclosures.
3500 W cooling capacity for effective cabinet temperature control.
Maintains enclosure protection by using a closed cooling circuit.
Suitable for demanding industrial automation environments.
Robust galvanised steel construction for long service life.
Reliable nVent HOFFMAN cooling technology for control systems.
Key Features
nVent HOFFMAN BLU35BX0B air/water heat exchanger.
3500 W rated cooling capacity.
230 V AC supply voltage.
Galvanised steel housing.
Indoor enclosure cooling design.
CE compliant construction.
Designed for efficient heat dissipation from electrical cabinets.
Suitable for industrial control and automation applications.
Reliable Thermal Management for Industrial Enclosures
The nVent HOFFMAN BLU35BX0B helps prevent excessive heat build-up inside electrical cabinets by transferring thermal energy through an efficient air/water exchange process. This supports reliable operation of PLCs, drives, power supplies and other temperature-sensitive components.
Air/water heat exchangers provide a practical solution for industrial environments where ambient air may contain dust, oil or moisture. By maintaining a separated cooling system, the BLU35BX0B helps preserve enclosure protection while improving equipment reliability.
Typical Applications
Industrial electrical control cabinets.
Automation and PLC enclosure cooling.
Machine building applications.
Manufacturing production systems.
Motor control and power distribution cabinets.
Industrial electronics thermal management.
Technical Specifications
Country of Manufacture
Italy
Manufacturer
nVent HOFFMAN
Series
Blue e+ Air/Water Heat Exchangers
Model
BLU35BX0B
Product type
Air/water indoor heat exchanger
Cooling capacity
3500 W
Supply voltage
230 V AC
Material
Galvanised Steel
Installation type
Indoor enclosure mounting
Height
1148 mm
Width
398 mm
Depth
163 mm
Certification
CE
Frequently Asked Questions
What is the nVent HOFFMAN BLU35BX0B used for?
The BLU35BX0B is an air/water heat exchanger designed to cool industrial electrical enclosures and protect internal components from overheating.
What cooling capacity does the BLU35BX0B provide?
The BLU35BX0B provides a rated cooling capacity of 3500 W.
What voltage does the BLU35BX0B operate on?
The heat exchanger operates from a 230 V AC supply.
Where is the BLU35BX0B installed?
The BLU35BX0B is designed for indoor installation on industrial electrical enclosures and control cabinets.
Why use an air/water heat exchanger?
An air/water heat exchanger provides efficient enclosure cooling while maintaining separation from contaminated external air environments.
Trusted by Industrial Cooling Professionals
nVent HOFFMAN cooling solutions are trusted by engineers and automation specialists worldwide for reliable enclosure temperature control, equipment protection and long-term industrial performance.
Country of Manufacture
Italy
Manufacturer
nVent HOFFMAN
Series
Blue e+ Air/Water Heat Exchangers
Model
BLU35BX0B
Product type
Air/water indoor heat exchanger
Cooling capacity
3500 W
Supply voltage
230 V AC
Material
Galvanised Steel
Installation type
Indoor enclosure mounting
Height
1148 mm
Width
398 mm
Depth
163 mm
Certification
CE
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...