Why Choose the nVent HOFFMAN RFUM05 Filter Fan Unit?
The nVent HOFFMAN RFUM05 is a reliable roof-mounted filter fan unit designed to provide forced ventilation for electrical enclosures and control cabinets. Part of the nVent HOFFMAN RFU roof fan series, it helps maintain suitable enclosure temperatures by improving airflow and reducing the risk of heat-related component failures.
The RFUM05 features a compact roof installation design with a quick fastening system, allowing simple mounting without using valuable door or side panel space. Its robust construction and dependable fan motor provide continuous ventilation for industrial enclosure applications.
With an airflow capacity of 500 m³/h, the RFUM05 is suitable for a wide range of industrial control cabinets requiring effective thermal management. The unit supports IP33 or IP54 protection configurations depending on the installed filter arrangement, helping protect sensitive electrical equipment from environmental influences.
Key Advantages
Reliable roof-mounted filter fan solution for electrical enclosures.
500 m³/h airflow capacity for effective enclosure ventilation.
Space-saving top-mounted design avoids using door or side panel areas.
Quick fastening installation system reduces assembly time.
Maintains enclosure cooling performance and helps prevent component overheating.
Suitable for industrial control panels and automation cabinets.
Key Features
nVent HOFFMAN RFU roof fan series.
500 m³/h airflow rating.
Roof-mounted forced ventilation design.
Painted mild steel housing with ABS-FR thermoplastic components.
RAL 7035 light grey finish.
Terminal strip connection.
Operating temperature range from -15 °C to +55 °C.
IP33 without filter mat and IP54 with filter mat configuration.
Efficient Enclosure Cooling for Industrial Systems
Filter fan units such as the nVent HOFFMAN RFUM05 provide controlled airflow through electrical enclosures by introducing filtered air and assisting heat dissipation. This helps maintain reliable operation of automation components, power equipment and control devices installed inside cabinets.
The RFU series is designed for industrial environments where dependable ventilation, easy installation and protection against dust and moisture are essential. Combined with compatible exhaust filters, the RFUM05 provides an effective enclosure climate control solution.
Typical Applications
Industrial automation control cabinets.
Electrical distribution enclosures.
PLC and instrumentation panels.
Manufacturing and production machinery.
Process control systems.
Industrial enclosure climate control applications.
Technical Specifications
Manufacturer
nVent HOFFMAN
Series
RFU Roof Fan Units
Model
RFUM05
Product type
Roof-mounted filter fan unit
Airflow
500 m³/h
Mounting type
Roof mounting
Protection rating
IP33 / IP54 depending on filter configuration
Material
Painted mild steel and ABS-FR thermoplastic
Finish
RAL 7035 light grey
Connection type
Terminal strip
Operating temperature
-15 °C to +55 °C
Cut-out size
291 × 291 mm
Frequently Asked Questions
What is the nVent HOFFMAN RFUM05 used for?
The RFUM05 is a roof-mounted filter fan unit used to provide forced ventilation and improve cooling inside electrical enclosures.
What airflow does the RFUM05 provide?
The nVent HOFFMAN RFUM05 provides an airflow capacity of 500 m³/h.
Where is the RFUM05 installed?
The RFUM05 is installed on the roof of an electrical enclosure or control cabinet to provide effective ventilation without occupying door or side panel space.
What protection rating does the RFUM05 offer?
The RFUM05 provides IP33 protection without a filter mat and can achieve IP54 protection when used with the appropriate filter mat configuration.
What temperature range can the RFUM05 operate in?
The RFUM05 is designed for operation in temperatures from -15 °C to +55 °C.
Trusted by Industrial Automation Professionals
nVent HOFFMAN climate control products are trusted by engineers and system builders worldwide to provide reliable enclosure protection, efficient cooling and long-term performance in demanding industrial applications.
Manufacturer
nVent HOFFMAN
Series
RFU Roof Fan Units
Model
RFUM05
Product type
Roof-mounted filter fan unit
Airflow
500 m³/h
Mounting type
Roof mounting
Protection rating
IP33 / IP54 depending on filter configuration
Material
Painted mild steel and ABS-FR thermoplastic
Finish
RAL 7035 light grey
Connection type
Terminal strip
Operating temperature
-15 °C to +55 °C
Cut-out size
291 × 291 mm
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
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Support for engineering, maintenance, and operations
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Stock lines ready to ship
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Same day dispatches
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Customers supported
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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.
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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...