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Inactive, Master Electrician
Category: Electrical
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Experience:  Electrical Contractor
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What size breaker is required for this electric range/oven Whirlpool

Resolved Question:

What size breaker is required for this electric range/oven?
Whirlpool Model #RF315PXEW 0 Seriel #RF4356537
Label also indicates KW@ 120/208 = 8.8 KW and [email protected]/240V = 11.7 KW
With all 4 top burners on when the oven element fires up the breaker trips. Is this a range problem or is the breaker too small?

Thank You,
John R
Submitted: 6 years ago.
Category: Electrical
Expert:  Inactive replied 6 years ago.
Thank youCustomerfor asking your question on Just Answer Electrical!!
You are corresponding with JOSEPH - Your "Personal On-Line Electrical Consultant".


Can you tell me what size breaker is installed now? The one that keeps tripping.

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Saturday, June 19, 2010 4:59:59 PM
Customer: replied 6 years ago.

Joeseph,

I'm sorry! I thought I had included that in my original question. An oversight. it is 40 amps mfd by Siemens and the panel is 100 amp The supply line for the stove is an older aluminum braided line and appears sized to carry about 60 amps if necessary.

 

Thank You,

John R

Expert:  Inactive replied 6 years ago.
Ok then if your wiring is at least #6, then you can simply install a 50amp breaker for this unit. Your new stove will be required to be on a 50amp breaker in order for you to be able to use it.

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Saturday, June 19, 2010 5:34:35 PM
Customer: replied 6 years ago.
That doesn't really answer my question. If there is a problem with the stove then the breaker size is not the issue. This is not a new stove and by the model/seriel #'s and the KW specs is there any way to verify the Manufactures specs for required breaker size??
Expert:  Inactive replied 6 years ago.
Based on the KW specs that you gave me, and based on my calculations of those specs your unit requires a 50amp breaker. The reason its tripping the 40amp is because when you turn on all your burners, its overloading the 40amp. That would not happen with a 50amp breaker.

So as long as your wiring is capable of handling 50amps, all you need to so is replace the breaker for the larger size one and you will be fine.

Please reply back to this post if you need further assistance:

*Please press the ACCEPT button if my answer has solved your problem.
* Ask as many questions as you need until you fully understand
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Saturday, June 19, 2010 5:57:53 PM
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