Why Choose the Finder 7F.21.8.120.1020.0 Reverse Flow Filter Fan?
The Finder 7F.21.8.120.1020.0 is a compact and reliable reverse flow filter fan for electrical cabinets and industrial enclosures, designed to provide effective ventilation and assist with heat dissipation from electrical and electronic equipment. As part of the Finder 7F Series of enclosure cooling and ventilation products, this fan is specifically developed for electrical panel builders, automation engineers and industrial equipment manufacturers requiring dependable thermal management.
Featuring a reverse airflow configuration, the Finder 7F.21.8.120.1020.0 operates as an exhaust ventilation fan, helping remove warm air from electrical enclosures to maintain suitable internal operating temperatures. Its compact construction, low-noise operation and integrated replaceable filter mat make it suitable for industrial control panels where efficient ventilation, dust protection and straightforward maintenance are essential.
With a nominal operating voltage of 120 V AC at 50/60 Hz and a free-flow air volume of 24 m³/h at 50 Hz, the Finder 7F.21.8.120.1020.0 provides practical ventilation for smaller electrical cabinets and automation enclosures. Its Size 1 configuration, compact housing and snap-in mounting arrangement enable straightforward installation into cabinet walls and electrical control panels.
Key Advantages
- Compact reverse flow filter fan designed for industrial electrical enclosures.
- 120 V AC operating voltage suitable for compatible industrial control systems.
- 24 m³/h free-flow air volume at 50 Hz for effective cabinet ventilation.
- Reverse airflow design helps extract warm air from electrical cabinets.
- IP54 protection rating supports dust protection when correctly installed.
- Replaceable filter mat simplifies routine maintenance and helps protect enclosed equipment.
- Low-noise operation makes the fan suitable for control panels and industrial machinery.
- Compact design with minimal intrusion into the electrical enclosure.
- Quick installation using a practical snap-in mounting system.
Key Features
- Finder 7F Series industrial enclosure ventilation system.
- Reverse flow exhaust fan configuration for extracting warm air.
- 120 V AC nominal supply voltage.
- 50/60 Hz operating frequency.
- 24 m³/h nominal free-flow air volume at 50 Hz.
- Size 1 enclosure mounting format.
- IP54 ingress protection rating when correctly installed.
- Integrated replaceable filter mat for filtration and convenient servicing.
- Light grey RAL 7035 housing suitable for standard industrial control cabinets.
- Flame-retardant plastic construction designed for electrical enclosure applications.
- Low acoustic noise for industrial ventilation installations.
- Snap-in mounting for simplified panel installation.
Technical Specifications
- Manufacturer: Finder
- Series: 7F Series Filter Fans
- Model: 7F.21.8.120.1020.0
- Product type: Reverse flow filter fan / enclosure exhaust fan
- Airflow configuration: Reverse flow / exhaust
- Nominal operating voltage: 120 V AC
- Supply frequency: 50/60 Hz
- Nominal free-flow air volume: 24 m³/h at 50 Hz
- Fan size: Size 1
- Protection rating: IP54
- Mounting type: Snap-in / enclosure wall mounting
- Enclosure cut-out: 92 × 92 mm nominal
- Dimensions (H × W × D): approx. 120 × 120 × 63.4 mm
- Housing colour: Light grey, RAL 7035
- Housing material: Flame-retardant plastic
- Filter: Integrated replaceable filter mat
- Application environment: Indoor electrical cabinets and industrial enclosures
- Weight: approx. 0.6 kg
Reliable Ventilation and Thermal Management for Electrical Enclosures
Electrical control cabinets contain components such as programmable logic controllers, contactors, relays, power supplies and variable frequency drives that generate heat during operation. Without adequate ventilation, internal temperatures can increase, potentially affecting component performance, reliability and service life. The Finder 7F.21.8.120.1020.0 reverse flow filter fan helps address this challenge by extracting warm air from the enclosure and supporting controlled airflow through the cabinet.
Unlike standard intake filter fans, the Finder 7F.21 reverse flow configuration is designed for exhaust ventilation. This makes it particularly useful where warm air needs to be removed from an electrical cabinet as part of a planned ventilation arrangement. When combined with suitable filtered air inlets, it supports continuous air circulation and helps reduce heat accumulation around sensitive electrical components.
The Finder 7F Series is developed for straightforward installation and maintenance. Its compact construction minimises the space required within the enclosure, while the replaceable filter mat allows routine servicing without replacing the complete fan assembly. The IP54-rated construction, when correctly installed, helps protect the ventilation opening against dust ingress and splashing water, making it suitable for a wide range of indoor industrial environments.
Typical Applications
- Electrical control cabinets and industrial distribution panels.
- PLC control panels and industrial automation systems.
- Machine control enclosures and OEM equipment.
- Industrial switchgear and electrical equipment cabinets.
- Power supply and electronic control enclosures.
- Packaging machinery and automated production equipment.
- Manufacturing and process control systems.
- Industrial equipment requiring filtered exhaust ventilation.
- Compact electrical cabinets with heat-generating components.
- Control panel cooling and general enclosure thermal management.
