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Siemens main breaker kits are used to convert the Ultimate type of main lug load centers to main breaker load centers, or can be used as a replacement main breaker in main breaker type Ultimate load centers. Ultimate load centers are the current load center in production and went into production in 2002. Check the load center wiring diagram for confirmation. Siemens strongly recommends against the use of "used" breakers. The installation of used breakers in a Siemens panel will void the warranty on the panel. Siemens does not sell used breakers and has not approved any 3rd party sellers to do so.
From the Manufacturer
SIEMENS main breaker kits are used to convert the Ultimate type of main lug load centers to main breaker load centers, or can be used as a replacement main breaker in main breaker type Ultimate load centers. Ultimate load centers are the current load center in production and went into production in 2002. Check the load center wiring diagram for confirmation.
thesurveillance
Reviewed in the United States on March 12, 2025
A life saving value. I found it on Amazon before my electrician could get to the electrical supply store, saving me an additional $140 "service call".Made me look like a hero in front of my renters, which is very rare.
Google shopper
Reviewed in the United States on December 10, 2024
Easy to install waiting to see how long it works for.
Charity Atwood
Reviewed in the United States on September 15, 2023
It was a great fix to the electric box when fuse are so costly Fit right in
Curtis Beyer
Reviewed in the United States on April 15, 2021
Exactly what I needed and expected at a good price
Debbie Green
Reviewed in the United States on August 2, 2018
works great
Tony Elias
Reviewed in the United States on January 9, 2018
Excellent siemens main breaker works great I'm so happy with the purchase and was delivered on time thank you.
AKane
Reviewed in the United States on April 3, 2017
I ordered a new Siemens Main Breaker Panel and that 100A main breaker was dead on arrival. So I ordered this 'Used' breaker and it works perfectly. Flips on/off as it should. I haven't tried to pull > 100A through it, so I haven't tested it to see if it trips as it should.
Steven D
Reviewed in the United States on October 14, 2013
I failed an inspection on an addition because my Siemens load panel had too many circuits for not having a single cut-off point. I was looking at some significant re-wiring for adding a 100 breaker. Then reviewed the box and found that this breaker could be added. It took 5 minutes.
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