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Supplementary Protector 40A, D Curve 277Vac 1P | B1E1D40
Supplementary Protector 40A, D Curve 277Vac 1P | B1E1D40
Supplementary Protector 40A, D Curve 277Vac 1P | B1E1D40
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Supplementary Protector 40A, D Curve 277Vac 1P | B1E1D40

Marsoni M251S
Sale price$28.25
Pay 4 payments of $7.06 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Supplementary Protector 40A, D Curve 277Vac 1P | B1E1D40NOARK Manual Product Details : Supplementary Protector 40A, D Curve 277Vac 1P B1E1D40 Part No: B1E1D40 Product Type: Supplementary Protector Brand: NOARK No. Of Poles: 1 Tripping Curve: D Curve (10 20In) Rated Current (Amps): 40A Standard Ratings: 5 kA at 480Y 277Vac and 10 kA at 240Vac. Voltage (V): 277Vac Limited Warranty: 5 Years Features: Breakers mount on standard 35 mm DIN rail Thermal magnetic over current protection three levels of protection,
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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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4.9 ★★★★★
Based on 1161 reviews
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Product Reviews
B
Verified Purchase
Brian M.
Lowell, US
★★★★★ 4
It works
Size: 2+12+12+2 pack
Fits as expected and it's nice to have so many replacement parts. This item is priced well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2026
S
Verified Purchase
Suzanne
Omaha, US
★★★★★ 5
Fits my old eufy
Size: 3+12+12+2+1 pack
This set fits my older model eufy and has extra parts for newer models. The filters did not fit our model (our fault for not doing proper research) but the fan sweeper is awesome.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 5, 2024
D
Verified Purchase
Dan
Louisville, US
★★★★★ 5
Lots of extras!
Size: 2+12+12+2 pack
The brushes are a bit flimsier than the original but otherwise fine. I needed it for the rectangular filters more than anything
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 7, 2026
P
Verified Purchase
Pan8ita
Carnegie, US
★★★★★ 5
EUFY 11S
Size: 2+8 pack
Used to replace the ones for my EUFY 11S vacuum. They fit just like the ones and got my vacuum back to cleaning really good. Didn’t realize how loud my vacuum had become until I replaced these parts.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 19, 2025
A
Verified Purchase
Armeeda
Boise, US
★★★★★ 5
Get this!
Size: 3+12+12+2+1 pack
Very nice pack of essentials for my robot.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026

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