DC Fans: 40x40x56mm Counter Rotating, Dual
Blade Fan
Fan available in 12 Volts
Fans available with Dual Sealed Ball Bearings
Fans available with Tachometer Signal
All performance figures are at nominal voltage
Click on the Part Number above to view or download
a detailed specification drawing. The files are in Adobe
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The 40x40x56mm dual-impeller, dual-motor fan is
engineered with redundancy to protect against fan failure and to
produce effective airflow performance against high system pressures.
As a result, the fan offers a 90% improvement in CFM and PQ curve
in comparison to a similar size single blade fan.
The fan consists of two independent motors and incorporates a 5-blade
fan and a 3-blade fan.
PQ Curve is representitive of the High Speed Part Number