SK3235.620 Rittal Circuit-breaker for Blue e+ cooling units/chillers

Why Choose the Rittal SK 3235.620 Filter Fan Unit?

The Rittal SK 3235.620 is a compact and reliable filter fan unit designed to provide efficient cooling and ventilation for electrical enclosures and control cabinets. Engineered for continuous industrial operation, it helps maintain stable internal temperatures while protecting sensitive components from dust and airborne contaminants.

Part of the trusted Rittal TopTherm range, this filter fan delivers dependable airflow performance with low energy consumption. Its practical design allows for quick installation and easy maintenance, making it ideal for panel builders and automation engineers working in demanding environments.

With its robust construction and optimised airflow, the SK 3235.620 ensures reliable enclosure cooling, helping to extend equipment lifespan and improve overall system performance.

Key Advantages

• Efficient cooling for electrical enclosures.
• Integrated filter system for dust protection.
• Quick tool-free installation for reduced setup time.
• Low energy consumption with reliable airflow output.
• Improves system reliability and component lifespan.
• Suitable for industrial automation and control applications.

Key Features

• Rittal TopTherm filter fan unit.
• Integrated replaceable filter mat.
• Optimised airflow for effective heat dissipation.
• Clip-in mounting system for fast installation.
• Tool-free maintenance and servicing.
• Durable housing for industrial environments.
• Compact design for efficient panel layouts.

Technical Specifications

• Manufacturer: Rittal
• Series: TopTherm Filter Fan
• Model: SK 3235.620
• Product type: Filter fan unit
• Airflow (unrestricted): approx. 20 – 25 m³/h
• Rated voltage: 24 V DC
• Power consumption: approx. 3 – 5 W
• Protection rating: IP54 with filter
• Mounting type: Panel / enclosure mounting
• Cut-out dimensions: approx. 92 × 92 mm
• External dimensions: approx. 116 × 116 mm
• Material: Plastic housing
• Colour: RAL 7035
• Operating temperature range: approx. -10 °C to +55 °C

Efficient Cooling for Compact Enclosures

The SK 3235.620 filter fan unit ensures consistent airflow by drawing cooler ambient air into the enclosure while expelling warm air. This helps prevent overheating, protects sensitive components and maintains stable operating conditions in compact control cabinets.

Its integrated filter mat reduces dust ingress, making it suitable for industrial environments where contamination can impact equipment reliability.

Typical Applications

• Small electrical control panels and enclosures.
• Automation and PLC cabinets.
• Machine building and OEM equipment.
• Industrial control systems.
• Telecommunications enclosures.
• Compact cabinet cooling applications.

Trusted by Panel Builders Worldwide

Rittal filter fan units are trusted by engineers and panel builders for delivering reliable enclosure cooling, protecting sensitive equipment and ensuring long-term industrial performance.