Does Square D make a 125 amp breaker?

Does Square D make a 125 amp breaker?

Square D Homeline 125-Amp 2-Pole Main Circuit Breaker.

What is a QO breaker?

QO® Circuit Breakers QO® (plug-on) one-, two- and three-pole thermal-magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. Plug-on QO circuit breakers are for use in QO loadcenters, NQ and NQOD panelboards, OEM mounting bases, and Speed-D® switchboard distribution panels.

What size wire do I need for a 125 amp breaker box?

125 amp requires a wire size 2/0.

What size breaker do I need for a 125 amp sub panel?

100A breaker
If it’s a 125 amp panel, then you can use a 100A breaker on the main panel to feed the breaker. The new sub panel must always have the same ampacity rating as the panel that is feeding it.

Is QO better than homeline?

2 Answers. Homeline is the “price competitive” model from SquareD, QO is the higher quality panel. The difference is probably mostly due to historical reasons given all the consolidations in the electrical manufacturing industry.

What breakers are interchangeable with QO?

Square D QO breakers are compatible with QO breaker boxes and CSEDs. Each ANSI-certified and UL-listed. Homeline circuit breakers are built with the same Square D brand quality you have come to expect at a price that makes them the best value in their class.

What size wire do I run to 125 amp sub panel?

125A is #1 copper or #1/0 aluminum (you need to call it 120A feeder, but you get to round up to 125A breaker since 120A is not made.) If you need full declared 125A you’d need 2/0 aluminum.

What size breaker Do I need to feed a 125 amp sub panel?

Can you use a 100 amp breaker for a 125 amp sub panel?

Even if not, you can order a 125A main panel and swap the main breaker to 100A. See if you can upgrade the main-sub cable to 125A. If so, order a main panel with thru lugs, which will save 2 breaker spaces, and a 125A sub. Voila, no breakers needed, space maximized!

Do sub panels need main breaker?

The subpanel may be equipped with a main breaker to allow for power interruption without having to go back to the main panel, but it is not required to have a main shutoff circuit breaker, since the feeder breaker back in the main panel serves this function.