DC12V PWM Fan Governor Speed Control With Knob Switch Fan Regulation 2-3/4Wire

PWM signal output range: 1%-100. Default power-on PWM adjusts from 1%! Circuit size: circuit board 22mm 20mm, knob screw extends 15mm, mounting aperture 7mm. DC12V 4 Wire. Output interface type: conventional CPU, chassis fan socket, pin spacing 2.54mm.

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