Purchase now: Pfannenberg 11666102055 PF 66.000 Filterfan
Purchase now: Atlantech Drives provides you the Pfannenberg 11666102055 (Model: PF 66.000), the industry-standard 230 V AC Filterfan designed for large electrical enclosures requiring substantial heat dissipation. As one of the best-selling models in the 4th Generation series, it strikes the perfect balance between airflow performance, energy efficiency, and noise reduction. It is the go-to solution for cooling Motor Control Centers (MCCs), VFD drive suites, and automation panels in 230V/400V industrial grids.
Technical Specifications and «Click & Fit» Efficiency
The 11666102055 fits the standard large cutout of 291 x 291 mm. It delivers an unimpeded airflow of approximately 460 m³/h (50 Hz) to 505 m³/h (60 Hz). The housing utilizes Pfannenberg’s patented Click & Fit mounting system, which employs reinforced spring clips to snap the fan securely into the cabinet wall (1mm to 4mm thickness) without tools or screws. This ensures a consistent IP 54 seal regardless of installation torque.
- Part Number: 11666102055.
- Model: PF 66.000.
- Voltage: 230 V AC (50/60 Hz).
- Airflow: 505 m³/h.
- Cutout: 291 x 291 mm.
- Protection: IP 54 / NEMA 12.
- Noise Level: 64 dB (A).
- Filter Mat: G4 Fluted (Included).
Expert Installation Advice: The «Bottom-Up» Rule
To maximize cooling efficiency, you must work with physics, not against it. Expert Tip: Always install the PF 66.000 intake fan in the bottom third of the enclosure door. Heat naturally rises. By pushing cool air in at the bottom, you force the hot air up and out through the exhaust filter (PFA 60.000) located at the top. Installing the intake fan at the top is a common mistake that fights natural convection and leaves the bottom of the cabinet (where terminals often are) uncooled.
Frequently Asked Questions (FAQs)
Q: Is this fan compatible with older Gen 3 models?
A: Yes, if your old fan used the 291mm square cutout, the Gen 4 PF 66.000 is a direct drop-in replacement with improved airflow and IP rating.
Q: Can I use this with a thermostat?
A: Absolutely. Wiring it in series with a Pfannenberg FLZ 520 Thermostat (Blue Dial) allows the fan to run only when needed, saving energy and extending filter life.
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