Siemens B350 50-Amp Three Pole 240-Volt 10KAIC Bolt in Breaker

Siemens B350 50-Amp Three Pole 240-Volt 10KAIC Bolt in Breaker

Marsoni

M251S

$119.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Siemens B350 50-Amp Three Pole 240-Volt 10KAIC Bolt in BreakerThe Siemens BL Circuit Breaker is a panelboard mounted, non interchangeable trip molded case circuit breaker available in 10 125A, 1 , 2 , and 3 pole. Available in 10KAIC, 22KAIC and 65KAIC interrupting ratings. Also, available are arc fault, ground fault and switching neutral breakers. 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

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Bought three of these for my home office. Two for Synology NAS drives and one for a Mac Studio. The size ranges make this the perfect product to get everything off my desk. A little difficult to install with the desk upright so I suggest turning it on its side or over completely. In my case, I have these in sit stand desks which is great.

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Reviewed in the United States on December 24, 2025

Verified Purchase

William Lech

Carnegie, US

★★★★★ 4

Decent bracket, Non-beveled screw holes cause complications

The screws that secure the mount to the underside of the desk stick out enough to cause the inner dimensions to change. I had to use the next hole down to increase the size of the bracket to accommodate my device, resulting in a less secure mount than desired. If the holes were beveled so that the screws fit more flush with the mount I'd be able to give it 5 stars. But the inner dimensions are not entirely as advertised due to the screws. Quality is up to standard otherwise, installation is relatively straightforward, price point is fine for a bracket of this size.

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Reviewed in the United States on September 18, 2025