Finder 7F.31.8.120.1020 – 7F Series Filter Fans – For outdoor use – Reverse flow

Why Choose the Finder 7F.31.8.120.1020 Outdoor Reverse Flow Filter Fan?

The Finder 7F.31.8.120.1020 is a compact and reliable outdoor reverse flow filter fan designed for effective exhaust ventilation and thermal management in industrial electrical cabinets and control panel enclosures. 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 ventilation in demanding operating environments.

Featuring a reverse airflow configuration, the Finder 7F.31.8.120.1020 extracts warm air from electrical enclosures, helping reduce internal temperatures and protect sensitive electrical and electronic components against excessive heat. Its weather-resistant construction, integrated replaceable filter mat and compact design make it particularly suitable for industrial applications where effective thermal management, straightforward maintenance and outdoor installation capability are essential.

With a nominal operating voltage of 120 V AC, an unimpeded airflow capacity of 24 m³/h and a filtered airflow rating of 16.5 m³/h, the Finder 7F.31.8.120.1020 provides practical ventilation for smaller electrical cabinets and automation enclosures. Its Size 1 configuration, IP54 protection rating and compact 120 × 120 mm front dimensions make it suitable for installations where enclosure space is limited.

Key Advantages

• Compact outdoor reverse flow filter fan designed for industrial electrical enclosures.
• 24 m³/h unimpeded airflow capacity for effective small-cabinet ventilation.
• 16.5 m³/h filtered airflow rating for practical enclosure ventilation.
• 120 V AC operating voltage suitable for compatible industrial electrical systems.
• Reverse airflow design extracts warm air from electrical cabinets and control panels.
• IP54 protection rating helps protect against harmful dust ingress and splashing water when correctly installed.
• IK08 mechanical impact protection provides additional durability in industrial environments.
• Outdoor-rated construction supports installation in suitable weather-exposed electrical enclosures.
• Replaceable filter mat simplifies routine maintenance.
• Low acoustic noise of 27 dB(A) supports quieter operation.
• Ball-bearing fan motor supports reliable operation.
• Compact housing and shallow installation depth help preserve valuable internal cabinet space.

Key Features

• Finder 7F Series industrial enclosure ventilation system.
• 7F.31 outdoor reverse flow configuration for exhaust ventilation.
• 120 V AC nominal supply voltage.
• AC-operated fan motor for industrial electrical installations.
• 24 m³/h unimpeded airflow capacity.
• 16.5 m³/h filtered airflow capacity.
• 27 W input power.
• 180 mA input current.
• 27 dB(A) acoustic noise level.
• Size 1 enclosure mounting format.
• IP54 ingress protection rating.
• IK08 mechanical impact protection.
• Replaceable filter mat for convenient servicing.
• Ball-bearing motor construction for dependable ventilation.
• 120 × 120 mm front dimensions.
• 54.4 mm installation depth for compact electrical enclosures.
• Wire terminal connections for electrical installation.
• Grey RAL 7000 housing for industrial enclosure applications.
• RoHS-compliant construction.
• CE and UKCA conformity for applicable markets.

Reliable Exhaust Ventilation for Outdoor Electrical Enclosures

Industrial electrical cabinets contain heat-generating equipment such as programmable logic controllers, power supplies, relays, contactors and automation controllers. In outdoor installations, changing ambient temperatures and solar exposure can increase the thermal demands placed on these components. The Finder 7F.31.8.120.1020 outdoor reverse flow filter fan helps manage internal temperatures by extracting warm air from the enclosure and supporting controlled ventilation.

Unlike standard intake filter fans, the Finder 7F.31 reverse flow configuration moves air from inside the electrical cabinet towards the external environment. When combined with a suitably positioned filtered air inlet, this creates a ventilation path that allows cooler ambient air to replace warmer internal air. With an unimpeded airflow capacity of 24 m³/h, this Size 1 model is particularly suitable for compact industrial control cabinets and smaller electrical equipment enclosures.

The outdoor-oriented Finder 7F.31 design provides additional environmental protection compared with standard indoor-only ventilation products. Its IP54 ingress protection helps limit harmful dust ingress and protect against splashing water, while its IK08 impact protection provides resistance to mechanical impacts. Correct installation and suitable enclosure construction are essential for maintaining the intended protection ratings.

The integrated replaceable filter mat supports filtration at the ventilation opening and allows routine servicing without replacing the complete fan assembly. Regular inspection and replacement of the filter help maintain airflow performance, particularly in industrial environments where dust and airborne contamination are present.

The Finder 7F Series is developed for convenient installation and reliable operation. The ball-bearing fan motor provides dependable ventilation, while the compact 120 × 120 mm front dimensions and 54.4 mm installation depth make the fan suitable for electrical enclosures with limited mounting space.

For effective thermal management, the enclosure ventilation system should be selected according to the heat generated by installed equipment, ambient temperature and required internal operating temperature. Actual airflow depends on the enclosure arrangement, filter condition and system resistance. As a ventilation product, the Finder 7F.31.8.120.1020 cannot reduce enclosure temperature below the incoming ambient air temperature.

Typical Applications

• Outdoor industrial electrical control cabinets.
• Compact PLC control panels and automation enclosures.
• Industrial relay and contactor control cabinets.
• Electrical distribution and monitoring enclosures.
• Telecommunications and communications equipment cabinets.
• Renewable energy monitoring and control panels.
• Water treatment and pumping station control enclosures.
• Outdoor infrastructure and utility control cabinets.
• Industrial power supply and electronic equipment enclosures.
• Small machinery control panels and OEM equipment.
• Electrical cabinets requiring low-noise exhaust ventilation.
• Industrial enclosure cooling and thermal management systems.