Why Choose the Finder 7F.21.8.230.5700.0 Reverse Flow Filter Fan?
The Finder 7F.21.8.230.5700.0 is a high-capacity reverse flow filter fan for industrial electrical cabinets and control panel enclosures, designed to extract warm air and provide effective thermal management for electrical and electronic equipment. As part of the Finder 7F Series of enclosure cooling and ventilation products, this fan is developed for electrical panel builders, industrial automation engineers and OEM machine manufacturers requiring dependable forced-air ventilation.
Featuring a reverse airflow configuration, the Finder 7F.21.8.230.5700.0 operates as an exhaust fan, removing warm air from electrical enclosures to help maintain suitable internal operating temperatures. Its integrated replaceable filter mat, robust plastic housing and practical snap-in mounting system make it suitable for demanding industrial applications where effective cooling, straightforward maintenance and reliable operation are essential.
With a nominal operating voltage of 230 V AC at 50/60 Hz and a free-flow air volume of 660 m³/h at 50 Hz and 700 m³/h at 60 Hz, the Finder 7F.21.8.230.5700.0 provides substantial ventilation capacity for larger electrical cabinets and automation enclosures. Its Size 5 configuration, IP54 protection rating and cabinet-mounted construction make it a practical choice for industrial enclosure cooling systems.
Key Advantages
- High-capacity reverse flow filter fan designed for industrial electrical enclosures.
- 660/700 m³/h free-flow air volume at 50/60 Hz for effective cabinet ventilation.
- 230 V AC operating voltage compatible with suitable industrial electrical supplies.
- Reverse airflow design extracts warm air from electrical cabinets and control panels.
- IP54 protection rating helps protect electrical enclosures against dust ingress and splashing water when correctly installed.
- NEMA Type 12 classification supports installation in suitable indoor industrial environments.
- Replaceable synthetic fibre filter mat simplifies maintenance and supports effective filtration.
- Snap-in mounting system enables straightforward installation into enclosure walls.
- Robust, flame-retardant plastic construction suitable for industrial applications.
- High airflow capacity helps reduce heat accumulation around sensitive electrical and electronic components.
Key Features
- Finder 7F Series industrial enclosure filter fan.
- Reverse flow exhaust configuration for removing warm air from electrical cabinets.
- 230 V AC nominal supply voltage.
- 50/60 Hz operating frequency.
- 660 m³/h free-flow air volume at 50 Hz.
- 700 m³/h free-flow air volume at 60 Hz.
- 550/600 m³/h airflow at 50/60 Hz with the specified exhaust filter installed.
- 106/120 W rated power consumption at 50/60 Hz.
- Size 5 enclosure mounting format.
- IP54 ingress protection rating according to EN 60529.
- NEMA Type 12 protection classification.
- G3 filter mat according to EN 779.
- Synthetic fibre filter material with progressive filtration construction.
- 80–90% filtration efficiency under the specified test conditions.
- Replaceable filter mat for convenient routine servicing.
- Snap-in mounting arrangement for cabinet wall installation.
- 291 × 291 mm nominal panel cut-out.
- Flame-retardant plastic housing designed for industrial electrical enclosures.
- Black RAL 9004 housing associated with the .0 colour variant.
Technical Specifications
- Manufacturer: Finder
- Series: 7F Series Filter Fans
- Model: 7F.21.8.230.5700.0
- Product type: Reverse flow filter fan / enclosure exhaust fan
- Airflow configuration: Reverse flow / exhaust
- Nominal operating voltage: 230 V AC
- Supply frequency: 50/60 Hz
- Free-flow air volume at 50 Hz: 660 m³/h
- Free-flow air volume at 60 Hz: 700 m³/h
- Air volume with exhaust filter at 50 Hz: 550 m³/h
- Air volume with exhaust filter at 60 Hz: 600 m³/h
- Rated power consumption at 50 Hz: 106 W
- Rated power consumption at 60 Hz: 120 W
- Fan size: Size 5
- Protection rating: IP54
- NEMA classification: Type 12
- Mounting type: Snap-in / enclosure wall mounting
- Enclosure cut-out: 291 × 291 mm nominal
- Dimensions (H × W × D): approx. 320 × 320 × 141.2 mm
- Housing material: Flame-retardant plastic
- Housing colour: Black, RAL 9004
- Filter classification: G3 according to EN 779
- Filter material: Synthetic fibre
- Filter construction: Progressive filtration structure
- Filtration efficiency: 80–90%
- Filter type: Replaceable filter mat
- Installation environment: Indoor industrial electrical enclosures
Reliable High-Capacity Cooling for Industrial Electrical Enclosures
Industrial electrical cabinets frequently contain heat-generating components such as variable frequency drives, programmable logic controllers, power supplies, contactors and industrial automation equipment. Excessive internal temperatures can affect component performance, operational reliability and equipment service life. The Finder 7F.21.8.230.5700.0 reverse flow filter fan helps manage these conditions by extracting warm air from the enclosure and supporting effective forced-air ventilation.
Unlike conventional intake filter fans, the Finder 7F.21 reverse flow configuration is designed to move air from inside the electrical cabinet towards the external environment. With a maximum nominal free-flow air volume of 700 m³/h at 60 Hz, this model is particularly suitable for larger industrial control panels requiring substantial exhaust ventilation. When combined with appropriately sized filtered air inlets, the fan supports continuous air circulation and helps reduce heat accumulation around electrical equipment.
The integrated G3 synthetic fibre filter mat provides filtration at the ventilation opening and can be replaced during routine maintenance. Its progressive filtration structure helps capture airborne particles, while the IP54-rated assembly, when correctly installed, supports protection against harmful dust ingress and splashing water.
The Finder 7F Series is designed for convenient installation and servicing. Its snap-in mounting system reduces installation complexity, while the Size 5 housing provides high airflow capacity for demanding electrical enclosure applications. Actual ventilation performance depends on the enclosure design, airflow resistance, filter condition and operating frequency.
Typical Applications
- Large industrial electrical control cabinets and distribution panels.
- PLC control panels and industrial automation enclosures.
- Variable frequency drive and motor control cabinets.
- Industrial switchgear and electrical distribution systems.
- Manufacturing machinery and automated production equipment.
- Packaging machinery and industrial processing systems.
- Textile machinery and production line control cabinets.
- Paper processing and ceramics manufacturing equipment.
- Industrial power supply and electronic equipment enclosures.
- OEM machine building and industrial equipment manufacturing.
- Electrical cabinets requiring high-capacity exhaust ventilation.
- Industrial enclosure cooling and thermal management systems.
