On Sun, 23 Sep 2007 20:31:44 -0500, macarty
wrote:

hi i have i problem, how does not )

well i have to DC motor they run on 36v and they have a 40amp trip
breaker , ho yes i forgot its a big scrubber. well the problem is
this if a let run but motor for i while the breaker will trip and if a
disconect one motor the breaker will not trip. i check both motor i
think i swap back and forth and both motor works as long one only run.
is any way to see if the breaker is bad or one of the 2 motor.

You have two motors on one breaker? Either motor will run without
tripping the breaker?

One motor may be bad and working because removing the load of the
second motor lets the breaker squeak by current wise - can't rule out
the breaker.

Why not switch breakers or (better) measure the current of each motor?

A single measurement can often replace a lot of arm waving and head
scratching . . .
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