Phase Breaker
Can somebody please explain me the full working of a manual starter for single phase motor?
If a starter isn't available can a 10-amp circuit breaker be used for for a 1HP motor ?
Here is a quote from:
http://wiki.owwm.com/Default.aspx?Page=Magnetic%20Starters%20Explained&AspxAutoDetectCookieSupport=1#Manual_Starter_4
Scroll down to manual Starter;
A manual motor starter usually has 2 or 3 pushbuttons; start, stop and sometimes a separate reset button. Sometimes the reset is combined with the stop button. These starters require mechanical action (you pushing the start or stop button) to close or open the contacts on the starter's contactor. Manual starters usually contain "heaters" which are overload protection devices that will automatically (by mechanical means) open the contacts in the event that the motor draws too much current. The heaters must be sized for the full load operating current of the motor for the voltage that you are operating the motor at. A manual starter will remain on if you have a power failure, so when the power comes back the motor will start without you doing anything, making them inappropriate from a safety perspective for most of our woodworking machinery.
They are relatively inexpensive compared to a Magnetic Starter.
Magnetic starters are also discussed on the above link.
A manual motor starter is available from your local commercial electric supplier.
A circuit breaker could be used as a switch, but circuit breakers are a
safety device and not designed to be used as a switch.
There are Switchable Circuit breakers available, they cost way more than
a standard circuit breaker.
You want some type of on-off device at the point of operation as a safety issue.
Wingman
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