Pfannenberg 11720001055 PFA 20.000 IP55 4th Gen Exhaust filter

Why Choose the Pfannenberg 11720001055 PFA 20000 Exhaust Filter?

The Pfannenberg 11720001055 is a high-quality PFA 20000 exhaust filter, designed for efficient thermal management in electrical enclosures and control panels. This component plays a critical role in maintaining optimal operating temperatures by enabling effective airflow while preventing dust and contaminants from entering sensitive equipment.

Part of Pfannenberg’s 4th generation filterfan system, this exhaust filter is engineered for seamless integration with compatible fan units. Its durable construction and intelligent design ensure reliable performance in demanding industrial environments.

With an IP55 protection rating, a 125 × 125 mm cut-out size and compact 145 × 145 mm dimensions, the 11720001055 is ideal for use in control cabinets, switchboards and automation systems where efficient cooling and enclosure protection are essential.

Key Advantages

• Effective exhaust filtration for electrical enclosures.
• IP55 protection prevents dust and water ingress.
• Optimised airflow improves cooling efficiency.
• Compatible with Pfannenberg filterfan systems.
• Quick installation with tool-free mounting.
• Reliable performance in industrial environments.

Key Features

• PFA 20000 exhaust filter for enclosure ventilation.
• IP55 / NEMA Type 12 protection.
• Filtration efficiency approx. 88% (G4 filter class).
• Patented tool-less 4-corner fastening system.
• Integrated foam seal for secure enclosure fit.
• Easy filter mat replacement without tools.
• Closed frame design prevents unfiltered air ingress.
• RAL 7035 light grey thermoplastic housing.

Technical Specifications

• Manufacturer: Pfannenberg
• Series: PFA 20000
• Model: 11720001055
• Product type: Exhaust filter for filterfan systems
• Protection rating: IP55 / NEMA Type 12
• Filtration class: G4 (EN 779)
• Filtration efficiency: approx. 88%
• Cut-out size: 125 × 125 mm
• Dimensions (H × W × D): 145 × 145 × 31 mm
• Material: Injection-moulded thermoplastic (UL 94 V0)
• Colour: RAL 7035 (light grey)
• Operating temperature: approx. −40 °C to +55 °C
• Weight: approx. 0.12 kg

Reliable Enclosure Cooling and Protection

The Pfannenberg PFA 20000 exhaust filter ensures effective airflow within electrical enclosures, helping to dissipate heat and maintain stable operating temperatures. By preventing dust and contaminants from entering the enclosure, it protects sensitive electrical components and extends equipment lifespan.

Its robust design and compatibility with Pfannenberg filterfans make it an ideal solution for industrial automation systems, switchgear panels and machinery requiring dependable thermal management.

Typical Applications

• Electrical control panels and cabinets.
• Industrial automation systems.
• Switchboards and distribution enclosures.
• Manufacturing machinery and equipment.
• HVAC and building control systems.
• Any enclosure requiring filtered airflow and cooling.

Trusted by Panel Builders and Engineers

Pfannenberg filter systems are widely trusted for delivering reliable enclosure cooling, efficient airflow and long-term protection in industrial environments.