Rittal SK 3138.000 Roof-Mounted Fan Unit Without Motor, Sheet Steel, RAL 7035

Roof-mounted fan unit for industrial enclosures and control cabinets, engineered for efficient heat dissipation when paired with a compatible Rittal TopTherm fan motor. Its sheet steel construction with dipcoat-primed, powder-coated finish in RAL 7035 light grey ensures durability in demanding environments.

Advantages

The housing, cover, and filter mat are supplied as a complete assembly, ready for motor installation. Screw-fastened mounting and a 292 x 292 mm cut-out simplify integration into enclosure roofs. The unit supports IP54 protection with filter mat and NEMA 12 rating, suitable for dusty or wet industrial settings.

Suitable for

• Cooling of control cabinets and enclosures in factory automation
• Use with Rittal TopTherm fan motors (SK 3237.XXX, SK 3238.XXX, SK 3239.XXX)
• Applications requiring reliable ventilation with filter protection

Key specifications

• Product type: Roof-mounted fan unit
• Motor included: No
• Material: Sheet steel
• Colour: RAL 7035 (light grey)
• Protection category: IP54 with filter mat; NEMA 12
• Mounting type: Screw-fastened
• Cut-out dimensions: 292 x 292 mm
• Installation depth: 25 mm
• Surface finish: Dipcoat-primed, powder-coated
• Operating temperature range: -30 °C to +55 °C
• Approvals: UL, cUL, TÜV, EAC, Germanischer Lloyd, VDE
• Filter mat type: Standard filter mat (e.g., Rittal 3322.200)

Recommendations

Select a compatible Rittal TopTherm fan motor to complete the assembly. Verify enclosure cut-out dimensions before installation. Use with standard Rittal filter mats for optimal protection.