SK3244.900 Rittal Blue e+ EC fan-and-filter unit 867 m³/h, 100 V-240 V, RAL 7035

Why Choose the Rittal SK 3244.900 Blue e+ Filter Fan?

The Rittal SK 3244.900 is a high-efficiency Blue e+ EC filter fan unit designed to provide reliable enclosure cooling with reduced energy consumption. Built using advanced EC motor technology, it offers intelligent control, improved airflow performance and long-term operational efficiency.

This filter fan supports a wide input range of 100–240 V AC and delivers consistent ventilation for industrial enclosures, automation systems and IT cabinets. Its integrated smart interfaces enable monitoring and control, making it suitable for modern Industry 4.0 environments.

With airflow performance ranging from 175 to 1,160 m³/h, the SK 3244.900 ensures effective heat dissipation, helping to maintain stable operating temperatures and protect sensitive electrical components.

Key Advantages

• Energy-efficient EC filter fan technology for reduced power consumption.
• Wide voltage range (100–240 V AC) for global applications.
• High airflow up to 1,160 m³/h for effective enclosure cooling.
• Supports IoT monitoring and control integration.
• Stable airflow distribution via diagonal fan design.
• Tool-free installation and quick maintenance access.

Key Features

• Rittal Blue e+ filter fan unit.
• Advanced electronically commutated (EC) motor.
• Integrated pleated filter included.
• 0–10 V / PWM input and ModBus (RS485) interface.
• Potential-free fault signalling output.
• Snap-fit mounting system for fast installation.
• Optimised louvre design for airflow and protection.

Technical Specifications

• Manufacturer: Rittal
• Series: Blue e+
• Model: SK 3244.900
• Product type: EC filter fan unit
• Airflow (free blowing): up to 1,160 m³/h
• Airflow (with pleated filter): approx. 867 m³/h
• Voltage: 100–240 V AC, single phase
• Frequency: 50 / 60 Hz
• Current: approx. 1.97 A (50 Hz)
• Protection rating: IP54–IP56 depending on configuration
• Dimensions (W × H × D): 323 × 323 × 161 mm
• Installation depth: approx. 141 mm
• Operating temperature: -25 °C to +55 °C
• Noise level: approx. 66 dB(A)
• Weight: approx. 4.15 kg

Smart and Efficient Cooling Performance

The SK 3244.900 uses diagonal airflow technology to ensure even air distribution throughout the enclosure, reducing hotspots and improving overall thermal performance. Its EC motor adapts to demand, improving efficiency and reducing operating costs.

The integrated pleated filter enhances airflow while preventing dust and contaminants from entering the enclosure, reducing maintenance requirements and extending equipment lifespan.

Typical Applications

• Industrial control panels and automation systems.
• Electrical enclosures and switchgear cabinets.
• Data cabinets and IT infrastructure.
• Manufacturing and processing environments.
• Telecommunications equipment enclosures.
• Energy and power distribution systems.

Trusted by Engineers Worldwide

Rittal Blue e+ filter fan units are widely trusted for delivering energy-efficient, intelligent and high-performance enclosure cooling across industrial and IT applications.