



Bolt On Circuit Breaker,40A,2 Pole,BQ
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Bolt On Circuit Breaker,40A,2 Pole,BQBolt On Circuit Breaker, 40 Amps, Number of Poles 2, Circuit Breaker Type Shunt Trip, AC Voltage Rating 120 240VAC, DC Voltage Rating Not Rated, For Use With Siemens Panelboards, Series BQ, Terminal Connection Lug, Max. AIR Rating 10 kA, Frame Size 125A BQ, Min. Wire Size 8 AWG, Max. Wire Size 6 AWG (Cu), 4 AWG (Al), Length 3. 75 In., Width 2. 00 In., Depth 3. 00 In., Standards UL Listed, CSA Certified, HACR Rated
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.7 ★★★★★
Based on 1718 reviews
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Product Reviews
★★★★★ 5
Worked like a charm
Worked like a charm. The box and packaging were adequate from keeping the gaps of the plugs from being squished.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
★★★★★ 5
Perfect!!
As I expected, no more to say only I'm happy I got it.
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Works great
Works great
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Reviewed in the United States on March 30, 2026
★★★★★ 5
exact fit
working good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
★★★★★ 5
Fast delivery.
Great product. OEM spark plugs.
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Reviewed in the United States on January 5, 2026
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