Prometheus PCG54FLW57-20G 76mm 24V DC Blower
76 mm x 70 mm x 20 mm · 18-32 V DC
centrifugal fan for high-impedance enclosure cooling. Full datasheet, P-Q curve and dimensional drawing available through an RFQ.
Overview
Application and specification highlights for Prometheus PCG54FLW57-20G 76mm 24V DC Blower.
The Prometheus PCG54FLW57-20G is a 28V DC centrifugal blower designed for ruggedized equipment cooling where static pressure dominates. The 76mm × 70mm × 20mm frame balances airflow capacity with installation footprint. Nominal supply is 28V DC, with an operating input window of 18-32V DC. Rated speed is 7,600 RPM.
At rated input, maximum free-air delivery is 12.71 CFM and peak static pressure is 28.55 mmH2O. Acoustic output is rated at 58 dB(A).
Build details include IP55 sealing available as a configuration option. Operating temperature range spans -55°C to +70°C.
Key specifications
Reference values for Prometheus PCG54FLW57-20G 76mm 24V DC Blower at nominal input and in free air: 12.71 CFM free-air flow at 28.55 mmH2O static pressure, supply 18-32 V DC. Specifications are subject to change without notice; see the full datasheet for derating curves, tolerances and qualification data.
| Parameter | Specification |
|---|---|
| Frame size | 76 mm x 70 mm x 20 mm |
| Rated voltage | 28 V DC |
| Voltage range | 18-32 V DC |
| Max airflow (free air) | 12.71 CFM |
| Max static pressure | 28.55 mmH2O |
| Rated rotational speed | 7,600 RPM |
| Acoustic noise | 58.0 dB(A) |
| Operating temperature | -55 °C to +70 °C |
Mechanical & environmental
Operating envelope, life expectancy and environmental qualification summary for Prometheus PCG54FLW57-20G. Full environmental test report available through an RFQ.
| Parameter | Specification |
|---|---|
| Frame size | 76 mm x 70 mm x 20 mm |
| Protection rating | IP55 configuration option |
| Operating temperature range | -55 °C to +70 °C |
Environmental test details — including specific shock and acceleration profiles — are provided with the engineering review package upon request.
P-Q performance curve
Airflow vs. static pressure characteristics for Prometheus PCG54FLW57-20G at rated input.
P-Q Curve — PCG54FLW57-20G @ 28V DC
At nominal input conditions, this reference curve maps static pressure from 0-32.3 mmH2O against airflow from 0-13.4 CFM. Use it for first-pass operating-point review; full-resolution P-Q curves, CAD files, and product-specific datasheets are available for qualified RFQ review.
