Why Choose the Rittal SK3140.140 TopTherm Roof-Mounted Fan?
The Rittal SK3140.140 is a powerful TopTherm roof-mounted fan designed to provide efficient forced ventilation for electrical enclosures, control cabinets and industrial housings. As part of the trusted Rittal TopTherm climate control range, it helps remove excess heat generated by electrical components while maintaining reliable operating conditions inside industrial enclosures.
This roof-mounted fan provides an efficient cooling solution by extracting warm air from the enclosure through direct roof installation, saving valuable cabinet space and supporting effective heat management. The fan design is suitable for applications where filtered ventilation is preferred over active cooling systems.
With an airflow capacity of 800 m³/h, a 400 V AC three-phase supply with compatibility for 460 V AC three-phase at 60 Hz, and IP21 protection without filter mat, the SK3140.140 is suitable for industrial control cabinets, automation systems and large electrical enclosures requiring reliable ventilation.
Key Advantages
High-performance roof-mounted fan for industrial enclosures.
800 m³/h airflow capacity for effective heat extraction.
400 V AC three-phase operation for industrial power systems.
Compatible with 460 V AC three-phase at 60 Hz.
Roof mounting saves enclosure side and internal installation space.
Reliable Rittal TopTherm technology for industrial climate management.
Key Features
Rittal TopTherm roof fan series.
Roof-mounted enclosure ventilation design.
800 m³/h air volume.
400 V AC three-phase rated voltage.
460 V AC three-phase compatibility at 60 Hz.
50/60 Hz frequency compatibility.
IP21 protection rating without filter mat.
Suitable for industrial enclosure heat dissipation applications.
Reliable Ventilation for Industrial Enclosures
Roof-mounted fans such as the Rittal SK3140.140 provide an effective method of removing excess heat from electrical cabinets and automation enclosures. By creating forced airflow, the fan helps prevent overheating and supports reliable operation of sensitive electrical components.
The TopTherm roof fan concept allows efficient enclosure ventilation while preserving valuable internal cabinet space. The SK3140.140 is designed for automation engineers, panel builders and machine manufacturers requiring dependable cooling solutions for industrial environments.
Typical Applications
Industrial automation control cabinets.
Electrical distribution enclosures.
Large machine building control panels.
Production line automation systems.
Industrial equipment ventilation.
Factory control and monitoring systems.
Technical Specifications
Manufacturer
Rittal
Series
TopTherm Roof Fans
Model
SK3140.140
Product type
Roof-mounted enclosure fan
Fan type
Roof fan
Airflow
800 m³/h
Rated operating voltage
400 V AC
Additional voltage compatibility
460 V AC
Phases
3-phase
Frequency
50/60 Hz
Protection rating
IP21 without filter mat
Depth
400 mm
Mounting type
Roof mounting
Application
Forced ventilation of electrical enclosures
Frequently Asked Questions
What is the Rittal SK3140.140 used for?
The SK3140.140 is a roof-mounted enclosure fan used to provide forced ventilation and remove heat from industrial electrical cabinets.
What airflow does the SK3140.140 provide?
The roof fan provides an airflow capacity of approximately 800 m³/h.
What voltage does the SK3140.140 operate at?
The Rittal SK3140.140 operates from a 400 V AC three-phase supply and supports 460 V AC three-phase at 60 Hz.
What protection rating does the SK3140.140 provide?
The roof fan provides IP21 protection without filter mat.
Where is the SK3140.140 installed?
The fan is installed on the roof of electrical enclosures and control cabinets to provide efficient heat extraction.
Trusted by Industrial Panel Builders Worldwide
Rittal TopTherm climate control solutions provide reliable ventilation and thermal management for electrical enclosures used in industrial automation and control applications.
Manufacturer
Rittal
Series
TopTherm Roof Fans
Model
SK3140.140
Product type
Roof-mounted enclosure fan
Fan type
Roof fan
Airflow
800 m³/h
Rated operating voltage
400 V AC
Additional voltage compatibility
460 V AC
Phases
3-phase
Frequency
50/60 Hz
Protection rating
IP21 without filter mat
Depth
400 mm
Mounting type
Roof mounting
Application
Forced ventilation of electrical 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
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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...