Why Choose the Finder 7F.21.8.120.5700.0 Reverse Flow Filter Fan?
The Finder 7F.21.8.120.5700.0 is an industrial reverse flow exhaust filter fan designed for effective ventilation and temperature management in electrical cabinets, control panels and industrial enclosures. Based on the Finder 7F.21.8.120.5700 model from the 7F Series, this unit provides forced-air extraction to help reduce heat accumulation around sensitive electrical and electronic components.
The Finder 7F Series is developed for reliable electrical enclosure ventilation, combining efficient airflow, convenient installation and straightforward filter maintenance. The reverse flow configuration extracts warm air from the cabinet, helping maintain suitable internal temperatures for industrial automation equipment, electrical distribution systems and motor control installations.
Featuring a 120 V AC supply, a nominal free-flow air volume of 660/700 m³/h at 50/60 Hz and a Size 5 enclosure mounting format, the Finder 7F.21.8.120.5700.0 provides a practical solution for high-volume cabinet exhaust ventilation. Its IP54 protection rating, robust plastic construction and replaceable synthetic fibre filter support dependable operation in industrial environments.
Key Advantages
- Reverse flow exhaust ventilation helps remove warm air from electrical cabinets and industrial enclosures.
- 660/700 m³/h nominal free-flow airflow at 50/60 Hz supports high-volume ventilation.
- 120 V AC operating voltage for compatible industrial electrical systems.
- IP54 protection rating supports installation in appropriately designed electrical enclosures.
- NEMA Type 12 protection classification for suitable enclosure applications.
- Replaceable synthetic fibre filter mat simplifies routine maintenance.
- Size 5 mounting format provides a practical solution for larger electrical cabinets.
- Durable plastic housing supports long-term industrial use.
- Low-maintenance ventilation design helps reduce servicing requirements.
- Effective thermal management helps protect temperature-sensitive electrical equipment.
Key Features
- Finder 7F Series industrial enclosure filter fan.
- 7F.21 reverse flow configuration for exhaust ventilation.
- 120 V AC nominal supply voltage.
- 50/60 Hz supply frequency.
- 660 m³/h free-flow air volume at 50 Hz.
- 700 m³/h free-flow air volume at 60 Hz.
- Size 5 filter fan assembly.
- 291 × 291 mm nominal mounting cut-out.
- IP54 enclosure protection rating.
- NEMA Type 12 protection classification.
- Replaceable synthetic fibre filter mat.
- Plastic housing and protective cover.
- Screw terminal electrical connections.
- Sidewall mounting for electrical cabinets and control enclosures.
- Industrial thermoregulation application for electrical and automation equipment.
Technical Specifications
- Manufacturer: Finder
- Series: 7F Series
- Product ID: 7F.21.8.120.5700.0
- Base model: 7F.21.8.120.5700
- Product type: Reverse flow exhaust filter fan
- Ventilation function: Forced-air exhaust
- Rated supply voltage: 120 V AC
- Supply frequency: 50/60 Hz
- Nominal free-flow air volume at 50 Hz: 660 m³/h
- Nominal free-flow air volume at 60 Hz: 700 m³/h
- Fan configuration: Reverse flow
- Enclosure size: Size 5
- Nominal mounting cut-out: 291 × 291 mm
- Protection rating: IP54 according to EN 60529
- NEMA protection classification: Type 12
- Filter material: Synthetic fibre
- Filter maintenance: Replaceable filter mat
- Housing material: Plastic
- Electrical connection: Screw terminals
- Mounting type: Electrical enclosure sidewall mounting
- Application environment: Industrial electrical cabinets and enclosures
Reliable Exhaust Ventilation for Industrial Electrical Cabinets
Industrial electrical cabinets frequently contain equipment that generates heat during operation, including power supplies, variable frequency drives, contactors, PLCs and motor control components. Excessive internal temperatures can affect component reliability and shorten equipment service life. The Finder 7F.21.8.120.5700.0 reverse flow filter fan supports enclosure thermal management by actively extracting warm air and promoting continuous ventilation.
The Finder 7F.21 Series uses a reverse airflow arrangement rather than the conventional intake configuration. This makes the fan particularly suitable for installations where warm air must be expelled from the enclosure. Its replaceable synthetic fibre filter supports routine maintenance, while the IP54-rated construction provides protection appropriate to correctly installed industrial cabinet ventilation systems. Effective operation requires suitable replacement-air openings and appropriate airflow sizing for the enclosure's heat load.
Typical Applications
- Industrial electrical cabinets and control panels.
- Switchgear and electrical distribution enclosures.
- PLC and industrial automation control cabinets.
- Variable frequency drive and motor control panels.
- Machine-building and OEM electrical enclosures.
- Industrial power supply cabinets.
- Manufacturing and production machinery control systems.
- Packaging and material handling equipment.
- Electrical equipment requiring forced-air exhaust ventilation.
- Industrial enclosure cooling and thermal management systems.
