You would require an actual 2 pole breaker the has a common trip that will open both poles should one of the poles call for trip.
Single pole breaker for 240v.
Is each pole supplying power to two separate circuits.
Then yes you could use a handle tie.
In case of 230v and 240v the same wiring diagram should be follow expect only one line l 1 or l 2.
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Wiring a single pole gfci circuit breaker.
A typical 240 volt 30 amp circuit includes a double pole circuit breaker which has two terminals for the two hot wires.
The following wiring shows an ordinary outlet has been wired and protected through single phase single pole gfci circuit breaker.
If you are supplying power to a single load such a one would for 240v then no.
Buy 10 or more 3 88.
Square d homeline 20 amp single pole circuit breaker model hom120cp 4 31 4 31.
Eaton corporation cl230cs double pole ul classified replacement breaker 240v 30 amp.
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Well single pole breakers and double pole breakers differ in the voltage and amperage they provide as well as how they are wired.
Provide 120 volts 15 20 amps and have one hot wire and one neutral wire.
Provide 240 volts 20 60 amps and have two hot wires that share one neutral wire.