"Sam Goldwasser" wrote in message
...
"robb" writes:

i have a sewing machine motor controler (wired in series with motor)
that
uses a"carbon pile element"
controler is rated at 95-145 volts and 0.7 amps
someone has claimed no troubles using the controller with a 120v - 1 amp
motor

Well, it probably does, and the speed control is probably getting hotter
than before. But there is a safety margin built in so it hasn't melted
down just yet.

Or, just because the motor says 1 A doesn't necessarily mean it draws
1 A except under heavy load.

Has he measured the current?


( this mesg was crossposted and multi-posted for which i appoligize to those
that care)

Thanks for help Sam

no the curent has not been measured,

the question is based on the issue of a failed original 0.5 amp rated motor
being replaced with a newer 1.0 amp rated motor and wether that is such a
good idea given rating on the controler.

so the original safety control seemed to be factored with a 0.5 amp motor
and 0.7 amp controler ?

thanks again for reply
rob