Reply by EEngineer

  • Advertise with us

Posted on humming noise coming from my delta unisaw when the power is off

View EEngineer's profile


1102 posts in 3607 days

#1 posted 11-14-2012 05:54 PM

The magnetic switch on these saws has a 24V transformer. It drives the main contactor that supplies power to the motor. The humming you hear is most likely the core laminations vibrating at 60 Hz.

-- "Find out what you cannot do and then go do it!"

DISCLAIMER: Any posts on LJ are posted by individuals acting in their own right and do not necessarily reflect the views of LJ. LJ will not be held liable for the actions of any user.

Latest Projects | Latest Blog Entries | Latest Forum Topics