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QBA 12 V

Engineering drawing

Brushless DC motor as fan drive

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Fig.: Engineering drawing for Part number 0 130 706816

 

Nominal value signal 
Pulse-width-modulated signal (pwm signal) with pulse control frequency of 5...50 Hz and high level dependent upon the operating voltage.
The desired speed is defined by the pulse control factor
 TVin= Thigh/TP .