The Rittal SK 3241.724 Blue e+ filter fan is a compact fan/filter unit for efficient climate control of control cabinets and industrial enclosures. With an airflow of 272 m³/h free blowing (with pleated filter), it ensures reliable air circulation and protects sensitive electronics from dust and contamination. The fan is equipped with a DC motor, which ensures low energy consumption and quiet operation, and operates at a nominal voltage of 24 V DC. Tool-free mounting on surfaces enables quick and flexible installation, with a mounting cutout of 224 x 224 mm. The unit is available in standard configuration with protection class IP 54, which is dust-tight and protected against splashing water – ideal for industrial applications indoors. Optionally, the protection class can be increased to IP 55 or IP 56 with additional filter and cover elements, expanding the range of applications in more demanding environments. The fan features a compact design (W x H x D 255 x 255 x 129 mm) and an installation depth of 108 mm, making it particularly suitable for limited space. The noise level is 53 dB(A), ensuring quiet operation. The color RAL 7035 (Gray) ensures harmonious integration into industrial environments.

Technical Data

• Free blowing airflow: 272 m³/h (with pleated filter)
• Airflow with outlet filter including pleated filter: 242 m³/h
• Free blowing airflow: 225 m³/h (with nonwoven filter)
• Airflow with outlet filter including nonwoven filter: 173 m³/h
• Nominal operating voltage: 24 V DC
• Nominal power: 19.1 W
• Nominal current max.: 0.8 A
• Dimensions W x H x D: 255 x 255 x 129 mm
• Installation depth: 108 mm
• Mounting cutout: 224 x 224 mm
• Protection class: IP 54 (with nonwoven filter/pleated filter)
• Protection class: IP 55 (with pleated filter and absorber mat)
• Protection class: IP 56 (with nonwoven filter/pleated filter and splash-proof hood)
• Noise level: 53 dB(A)
• Color: RAL 7035
• Fan technology: Diagonal, DC motor
• Mounting: tool-free on surfaces