Why Choose the Finder 7F.31.8.120.3100 Outdoor Reverse Flow Filter Fan?
The Finder 7F.31.8.120.3100 is a reliable 120 V AC outdoor reverse flow filter fan designed for effective ventilation and thermal management of industrial electrical cabinets, control panels and equipment enclosures. As part of the Finder 7F Series enclosure ventilation range, this exhaust filter fan provides forced-air extraction to help protect sensitive electrical and electronic components against excessive operating temperatures.
Featuring a reverse airflow configuration, the Finder 7F.31.8.120.3100 extracts warm air from electrical enclosures rather than introducing outside air through a conventional intake fan. Its weather-resistant construction, replaceable filter mat and durable plastic housing support reliable ventilation in demanding environments. The fan provides IP54 ingress protection, IK08 impact resistance and NEMA Type 3R classification when correctly installed.
With a 120 V AC, 50/60 Hz supply, a nominal free-flow air volume of 100 m³/h and a Size 3 enclosure mounting format, the Finder 7F.31.8.120.3100 is suitable for outdoor control cabinets, electrical distribution equipment and industrial automation systems requiring dependable exhaust ventilation. Its compact design and convenient filter maintenance features support straightforward integration into electrical enclosure sidewalls.
Key Advantages
- Outdoor-rated reverse flow filter fan designed for industrial electrical enclosure ventilation.
- 100 m³/h nominal free-flow airflow supports effective heat extraction.
- 120 V AC operating voltage for compatible industrial electrical systems.
- Reverse flow exhaust configuration helps remove accumulated warm air from electrical cabinets.
- IP54 ingress protection supports protection against dust and splashing water when correctly installed.
- IK08 mechanical impact resistance provides additional durability in demanding environments.
- NEMA Type 3R classification supports suitable outdoor enclosure installations.
- Replaceable filter mat simplifies routine servicing and maintenance.
- Compact Size 3 construction enables installation in industrial control cabinets.
- Ball-bearing fan construction supports dependable operation.
- 42 dB(A) nominal noise level provides relatively quiet forced-air ventilation.
- Convenient snap-in installation helps reduce installation and maintenance time.
Key Features
- Finder 7F Series industrial enclosure filter fan.
- 7F.31 outdoor reverse flow configuration.
- 120 V AC nominal supply voltage.
- 50/60 Hz operating frequency.
- 100 m³/h nominal free-flow air volume.
- Filtered airflow of 75/85.5 m³/h at 50/60 Hz.
- 30/25 W rated power consumption at 50/60 Hz.
- 0.25/0.21 A current consumption at 50/60 Hz.
- Size 3 enclosure mounting format.
- 177 × 177 mm nominal mounting cut-out.
- 209 × 209 mm external face dimensions.
- 71.2 mm installation depth.
- IP54 ingress protection rating.
- IK08 mechanical impact protection.
- NEMA Type 3R outdoor enclosure classification.
- 42 dB(A) nominal acoustic noise level.
- Ball-bearing fan mechanism.
- Replaceable filter mat for convenient maintenance.
- Dark grey RAL 7000 housing.
Technical Specifications
- Manufacturer: Finder
- Series: 7F Series
- Model: 7F.31.8.120.3100
- Manufacturer part number: 7F.31.8.120.3100
- Product type: Outdoor reverse flow filter fan
- Ventilation function: Forced-air exhaust ventilation
- Airflow direction: Reverse flow / exhaust
- Rated supply voltage: 120 V AC
- Supply frequency: 50/60 Hz
- Nominal free-flow air volume: 100 m³/h
- Filtered airflow at 50 Hz: 75 m³/h
- Filtered airflow at 60 Hz: 85.5 m³/h
- Rated power at 50 Hz: 30 W
- Rated power at 60 Hz: 25 W
- Current consumption at 50 Hz: 0.25 A
- Current consumption at 60 Hz: 0.21 A
- Fan type: Axial
- Bearing type: Ball bearing
- Enclosure size: Size 3
- External face dimensions (H × W): 209 × 209 mm
- Nominal mounting cut-out: 177 × 177 mm
- Installation depth: 71.2 mm
- Ingress protection: IP54 according to EN 60529
- Impact protection: IK08
- NEMA protection classification: Type 3R
- Filter material: Synthetic fibre
- Filter maintenance: Replaceable filter mat
- Housing material: Plastic
- Housing colour: Dark grey, RAL 7000
- Nominal acoustic noise: 42 dB(A)
- Electrical connection: Push-in terminals
- Mounting type: Snap-in / enclosure sidewall mounting
- Installation environment: Indoor and outdoor electrical enclosures
- Compliance: RoHS, CE and UKCA
Reliable Exhaust Ventilation for Outdoor Electrical Enclosures
Outdoor electrical cabinets frequently contain heat-generating components such as PLCs, power supplies, variable frequency drives, contactors and industrial control electronics. Heat produced during normal operation, combined with elevated ambient temperatures and solar exposure, can increase internal cabinet temperatures and affect equipment reliability. The Finder 7F.31.8.120.3100 outdoor reverse flow filter fan helps manage these conditions by extracting warm air from the enclosure and supporting continuous ventilation.
The Finder 7F.31 Series is specifically designed for outdoor reverse flow ventilation applications. Its weather-resistant housing, IP54 ingress protection, IK08 impact resistance and replaceable filter mat support reliable operation and convenient maintenance. When installed with an appropriately sized replacement-air opening or intake filter, the fan helps maintain effective airflow through the enclosure. Proper thermal management requires consideration of the cabinet heat load, ambient temperature, airflow restrictions and environmental conditions.
Typical Applications
- Outdoor industrial electrical cabinets and control panels.
- Electrical distribution and switchgear enclosures.
- PLC and industrial automation control cabinets.
- Variable frequency drive and motor control enclosures.
- Outdoor machinery and equipment control systems.
- Industrial power supply and electronic equipment cabinets.
- Utility infrastructure and electrical control enclosures.
- Manufacturing and process automation installations.
- Machine-building and OEM electrical equipment.
- Industrial enclosure exhaust ventilation and thermal management systems.
