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Posted to rec.woodworking
Roger Bigras
 
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Default How do I know if I need a new switch for 240v?

Steve W wrote:
I have a Delta hybrid TS (36-715) and just wired it for 240v. Now the thing
starts up so fast it makes me worry about belt wear.

Anyway, in the manual it says to make sure I have a 240v rated switch. The
switch has no rating marked on it so how can I find out if it is ok?

-Steve



Electrical is more of my practical side:

The Switch (A regular switch that is) is ok if you flip it one way and
the motor starts and if you flip it the other way the motor stops.

Here are some symptoms of a under rated switch:
The switch gets hot to the touch
Smoke coming out of the switch
The motor stopped under load and won't start again.

If your switch has a UL or ULC rating, it will have it's ratings usually
on the metal mounting plates. otherwise, I'd invest in another switch.

The RPM's of your motor are not relevant to the switch under normal
conditions.

Hope I can help.