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Review on ⚡️ Siemens MBK100A 100 Amp Ultimate Circuit Breaker by James Wonsley

Revainrating 5 out of 5

I ordered a new Siemens main switchboard and this one.

I ordered a new Siemens main switch panel and this 100A main switch was switched off on arrival. So I ordered this "used" switch and it works great. Turns on/off as needed. I haven't tried pulling >100A through it, so I haven't tested it to see if it works properly.

Pros
  • Tools and household goods
Cons
  • Large and bulky