Why Choose the Finder 7F.30.8.120.4250 Outdoor Filter Fan?
The Finder 7F.30.8.120.4250 is a high-performance 120 V AC outdoor filter fan from the Finder 7F Series, designed to provide effective forced-air ventilation for outdoor electrical cabinets, industrial control panels and automation enclosures. This Size 4 standard-flow fan delivers a nominal free-air flow of 250 m³/h at 50 Hz, helping dissipate heat generated by electrical and electronic equipment.
Specifically developed for outdoor electrical enclosure applications, the Finder 7F.30.8.120.4250 combines IP54 ingress protection, IK08 impact resistance and a weather-resistant construction. Its standard draw-in airflow configuration introduces filtered ambient air into the cabinet, supporting controlled ventilation when paired with a suitable exhaust filter.
Featuring 120 V AC operation, 42 W rated power at 50 Hz, a 255 × 255 mm external face and a compact 90.2 mm installation depth, this outdoor filter fan provides an efficient solution for industrial enclosure cooling. Its replaceable filter mat and practical mounting arrangement help simplify installation and routine maintenance.
Key Advantages
- 250 m³/h free-air flow at 50 Hz for effective electrical enclosure ventilation.
- 295 m³/h free-air flow at 60 Hz for compatible supply frequencies.
- 120 V AC operation for industrial electrical installations.
- Outdoor-rated construction suitable for appropriately designed external control cabinets.
- Standard draw-in airflow introduces filtered ambient air into the enclosure.
- IP54 protection helps resist dust and water ingress when correctly installed.
- IK08 impact resistance supports mechanical durability.
- NEMA Type 3R classification for suitable outdoor enclosure applications.
- 56 dB(A) noise level for controlled acoustic performance.
- 42 W rated power at 50 Hz supports efficient forced-air cooling.
- Replaceable filter mat simplifies maintenance.
- 90.2 mm installation depth helps preserve usable enclosure space.
- Suitable for industrial automation, machinery control and electrical distribution applications.
Key Features
- Finder 7F Series outdoor filter fan.
- 7F.30 standard-flow draw-in configuration.
- Size 4 fan and filter assembly.
- 120 V AC nominal operating voltage.
- 50/60 Hz supply frequency.
- 250/295 m³/h free-air flow at 50/60 Hz.
- 195/228 m³/h airflow at 50/60 Hz with a compatible exhaust filter installed.
- 42/48 W rated power at 50/60 Hz.
- 0.35/0.40 A current consumption at 50/60 Hz.
- 56 dB(A) acoustic noise level.
- IP54 ingress protection.
- IK08 mechanical impact resistance.
- NEMA Type 3R outdoor classification.
- 255 × 255 mm external face dimensions.
- 90.2 mm installation depth.
- Push-in electrical terminal arrangement.
- Replaceable filter mat for routine servicing.
- Designed for straightforward installation in compatible electrical enclosures.
Technical Specifications
- Manufacturer: Finder
- Series: 7F Series
- Manufacturer part number: 7F.30.8.120.4250
- Product type: Outdoor filter fan
- Airflow configuration: Standard flow / draw-in
- Fan size: Size 4
- Nominal operating voltage: 120 V AC
- Supply frequency: 50/60 Hz
- Operating voltage range: 0.8 to 1.1 × nominal voltage
- Free-air flow at 50 Hz: 250 m³/h
- Free-air flow at 60 Hz: 295 m³/h
- Airflow with exhaust filter at 50 Hz: 195 m³/h
- Airflow with exhaust filter at 60 Hz: 228 m³/h
- Rated power at 50 Hz: 42 W
- Rated power at 60 Hz: 48 W
- Current consumption at 50 Hz: 0.35 A
- Current consumption at 60 Hz: 0.40 A
- Noise level: 56 dB(A)
- Protection rating: IP54
- Impact resistance: IK08
- NEMA classification: Type 3R
- External face dimensions: 255 × 255 mm
- Installation depth: 90.2 mm
- Electrical connection: Push-in terminals
- Fan bearing type: Ball bearing
- Housing material: Flame-retardant plastic according to UL94 V-0
- Filter: Replaceable filter mat
- Ambient operating temperature: −30 to +55 °C
- Nominal service life at 40 °C: 50,000 hours
- Application: Outdoor electrical enclosure ventilation
Reliable Outdoor Enclosure Cooling for Industrial Automation
Outdoor electrical cabinets can experience elevated internal temperatures due to solar exposure, changing ambient conditions and heat generated by installed electrical equipment. The Finder 7F.30.8.120.4250 provides forced-air ventilation to help manage these temperatures in enclosures containing PLCs, power supplies, contactors, motor control equipment and electronic monitoring systems.
Its standard draw-in configuration introduces filtered ambient air into the electrical cabinet. When combined with a correctly positioned exhaust filter, the incoming air can circulate around heat-generating components before leaving the enclosure. This helps create an effective ventilation path while reducing the entry of airborne dust.
The fan delivers 250 m³/h free-air flow at 50 Hz and 295 m³/h at 60 Hz. With a compatible exhaust filter installed, the corresponding airflow figures are approximately 195 m³/h and 228 m³/h. Actual installed performance depends on enclosure resistance, filter condition, ventilation openings and ambient operating conditions.
The IP54, IK08 and NEMA Type 3R classifications support use in appropriately designed outdoor electrical installations. However, fan-assisted ventilation cannot reduce enclosure temperature below that of the incoming ambient air. Engineers should therefore assess the enclosure heat load, environmental exposure and required airflow before selecting the ventilation system.
Regular inspection and replacement of the filter mat help prevent airflow restriction, particularly in dusty industrial environments. Maintaining the filter and ensuring that ventilation openings remain clear supports reliable cooling performance throughout the installation's service life.
Typical Applications
- Outdoor electrical control cabinet ventilation.
- Industrial automation and PLC enclosures.
- Outdoor machinery control panels.
- Electrical distribution and switchgear cabinets.
- Motor control and industrial drive enclosures.
- Water treatment and pumping station control systems.
- Outdoor process monitoring installations.
- Infrastructure and utility control cabinets.
- Industrial power supply and relay enclosures.
- Manufacturing and production equipment.
- OEM electrical panel construction.
- Outdoor electrical enclosure ventilation upgrades.
