answersLogoWhite

0

This formula will give you the amperage I = kw x 1000/1.73 x E x pf (pf = power factor). Take the amperage and multiply it by 125%. This will give you the breaker size that you need.

User Avatar

Wiki User

15y ago

What else can I help you with?

Related Questions

What size breaker do you need for 9000W at 440V 3 phase delta?

50amp but if considering the breaker cannot withstand starting current you need to size the breaker up.


What size Capacitor is need for copeland cr38k6pfv875?

35mfd/440V


What is the formula to convert amperes from 440V to 460V?

For the same power - Watts - you need to run twice as many amps at 220V than at 440V. For the same load, it'll pull half the amps at 220V than it did on 440V


How can 440V equipment operate on 220V?

440V equipment cannot operate directly on 220V. You would need a step-up transformer to increase the voltage from 220V to 440V for the equipment to function properly. Attempting to power 440V equipment with 220V without the proper transformer can damage the equipment and pose a safety risk.


Does a subpanel need a main breaker for proper functionality?

No, a subpanel does not necessarily need a main breaker for proper functionality.


Need to move 2 breakers to a sharing breaker to add a 50 amp breaker need info on how to do this?

by doing your mum


What size wire do I need for a 30 amp breaker?

For a 30 amp breaker, you will need a wire that is at least 10 gauge in size.


What size wire do you need for a 50 amp breaker?

For a 50 amp breaker, you would typically need a 6-gauge wire.


How do you test a 220 volt breaker?

You will need a multimeter to check a 220 volt breaker. You should unplug appliances that go to that particular breaker. Use the multimeter at the breaker to check the voltage. If it shows 220, then the breaker is okay. If it doesn't, then the breaker is no good.


Can you use Auxiliary contact with circuit breaker?

You need to be more specific. Do you want a contact telling you if a circuit breaker is on? If that is your question, the answer depends on the model of the breaker.


Do you need a gfci outlet if you have a gfci breaker?

Not if the GFCI breaker is supplying the circuit you are wanting to put the GFCI receptacle into.


What size wire do I need for a 50 amp breaker?

For a 50 amp breaker, you will need a wire that is at least 6 gauge in size to safely handle the electrical load.