Why Choose the Finder 7F.31.8.230.5550 Outdoor Reverse-Flow Filter Fan?
The Finder 7F.31.8.230.5550 is a high-capacity 230 V AC outdoor reverse-flow filter fan from the Finder 7F Series, designed to extract warm air from industrial electrical cabinets, automation enclosures and outdoor control panels. This Size 5 filter fan provides 550 m³/h free-air flow at 50 Hz and 605 m³/h at 60 Hz, supporting effective thermal management in enclosures containing heat-generating electrical equipment.
Unlike standard draw-in filter fans, the Finder 7F.31 reverse-flow configuration expels heated air from the enclosure. When paired with a suitably positioned filtered air inlet, it helps establish a controlled ventilation path through the cabinet, supporting heat dissipation around PLCs, variable speed drives, motor starters, power supplies and other electronic components.
Featuring IP54 ingress protection, IK08 impact resistance, a 320 × 320 mm external face and a 131.5 mm installation depth, the Finder 7F.31.8.230.5550 combines high airflow capacity with practical enclosure integration. Its ball-bearing fan construction, replaceable filter mat and outdoor-oriented design make it suitable for demanding industrial applications.
Key Advantages
- 550 m³/h free-air flow at 50 Hz for high-capacity electrical enclosure ventilation.
- 605 m³/h free-air flow at 60 Hz for compatible supply frequencies.
- 440 m³/h filtered airflow for practical enclosure cooling applications.
- 230 V AC operation for industrial electrical installations.
- Reverse-flow exhaust configuration helps remove accumulated warm air from electrical cabinets.
- IP54 protection helps resist dust and water ingress when correctly installed.
- IK08 impact resistance supports mechanical durability.
- Outdoor-oriented construction for appropriately designed external control enclosures.
- Size 5 design provides substantial ventilation capacity for larger electrical cabinets.
- Ball-bearing fan supports reliable operation.
- Replaceable filter mat simplifies routine servicing.
- Push-in electrical terminals support convenient installation.
- 320 × 320 mm external face provides a practical enclosure-mounted ventilation solution.
- Suitable for industrial automation, motor control and electrical distribution applications.
Key Features
- Finder 7F Series outdoor filter fan.
- 7F.31 reverse-flow exhaust configuration.
- Size 5 fan and filter assembly.
- 230 V AC nominal operating voltage.
- 50/60 Hz supply frequency.
- 550/605 m³/h free-air flow at 50/60 Hz.
- 440 m³/h filtered airflow rating.
- 75 W listed input power.
- 340 mA listed input current.
- 75 dB(A) noise level.
- IP54 ingress protection.
- IK08 mechanical impact resistance.
- 320 × 320 mm external face dimensions.
- 291 × 291 mm nominal mounting cut-out.
- 131.5 mm installation depth.
- Ball-bearing fan construction.
- Push-in electrical connection.
- Replaceable filter mat for routine maintenance.
- Flame-retardant plastic housing.
- Suitable for outdoor industrial electrical enclosure ventilation.
Technical Specifications
- Manufacturer: Finder
- Product series: 7F Series
- Manufacturer part number: 7F.31.8.230.5550
- Product type: Outdoor reverse-flow filter fan
- Fan size: Size 5
- Airflow configuration: Reverse flow / exhaust
- Nominal supply voltage: 230 V AC
- Supply frequency: 50/60 Hz
- Free-air flow at 50 Hz: 550 m³/h
- Free-air flow at 60 Hz: 605 m³/h
- Filtered airflow: 440 m³/h
- Listed input power: 75 W
- Listed input current: 340 mA
- Noise level: 75 dB(A)
- Protection rating: IP54
- Impact resistance: IK08
- External face width: 320 mm
- External face height: 320 mm
- Nominal mounting cut-out: 291 × 291 mm
- Installation depth: 131.5 mm
- Fan bearing type: Ball bearing
- Electrical connection: Push-in terminals
- Housing material: Flame-retardant plastic
- Housing flammability classification: UL94 V-0
- Ambient operating temperature: −30 to +55 °C
- Filter maintenance: Replaceable filter mat
- Compliance: RoHS compliant
- Country of origin: Italy
- Application: Outdoor industrial electrical enclosure ventilation
High-Capacity Reverse-Flow Cooling for Outdoor Electrical Cabinets
Industrial electrical cabinets can experience elevated internal temperatures due to heat generated by variable speed drives, motor starters, PLCs, power supplies and other electronic components. Outdoor installations may experience additional thermal loading from direct sunlight and changing ambient conditions.
The Finder 7F.31.8.230.5550 uses a reverse-flow exhaust arrangement to remove heated air from the enclosure. Installing the fan towards the upper section of a cabinet, together with a suitably sized filtered air inlet, can help establish an effective ventilation path around heat-generating electrical equipment.
With 550 m³/h free-air flow at 50 Hz and 605 m³/h at 60 Hz, the fan provides substantial ventilation capacity for larger industrial cabinets. Its listed 440 m³/h filtered airflow demonstrates the effect of filtration on available airflow. Actual installed performance depends on enclosure layout, filter resistance, ventilation openings and operating conditions.
The IP54 protection rating and IK08 impact resistance support use in appropriately designed outdoor electrical installations. The ball-bearing fan construction provides a practical solution for industrial operation, while the replaceable filter mat allows maintenance engineers to service the ventilation system when required.
Fan-assisted ventilation cannot cool an enclosure below the temperature of the incoming ambient air. Engineers should therefore assess cabinet heat load, ambient temperature, environmental exposure and required airflow before selecting the ventilation arrangement. Regular inspection of the filter mat and ventilation openings helps maintain effective cooling performance.
Typical Applications
- Outdoor electrical control cabinet ventilation.
- Industrial automation and PLC enclosures.
- Motor control centres and machinery control panels.
- Variable speed drive and softstarter cabinets.
- Electrical distribution and switchgear enclosures.
- Industrial power supply and relay cabinets.
- Water treatment and pumping station control systems.
- Outdoor process monitoring installations.
- Infrastructure and utility control enclosures.
- Manufacturing and production equipment.
- OEM electrical panel construction.
- Large industrial cabinets requiring high-capacity exhaust ventilation.
