


Supplementary Protector 1A, B Curve 277Vac 1P | B1E1B1
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Supplementary Protector 1A, B Curve 277Vac 1P | B1E1B1NOARK Manual Product Details : Supplementary Protector 1A, B Curve 277Vac 1P B1E1B1 Part No: B1E1B1 Product Type: Supplementary Protector Brand: NOARK No. Of Poles: 1 Tripping Curve: B Curve (3 5 in.) Rated Current (Amps): 1A 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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Product Reviews
★★★★★ 5
There’s a definite quality difference between the OEM product and third party knock-offs
Size: Mop Cloth-4
It’s worth getting replacement parts for your vacuum from the manufacturer. These pads are high quality. I purchased some third party ones and they fell apart after a week of use. It’s worth the extra money to have something that will last for many months when properly cared for.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 16, 2025
★★★★★ 4
Overpriced but works
Size: Mop Cloth-4
Easy replacement, tear off and slap on. Can’t really go wrong. Fit is perfect. Floors started to get feel consistently again. I feel like this product is definitely overpriced for what it is.
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Works
Size: Mop Cloth-4
Works well on my Roborocks, no issues
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 21, 2025
★★★★★ 5
Perfect
Size: 23 Pcs for eufy C20 Omni
Great quality and cost efficient
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Fits my Eufy vacuum well
Size: 19 Pcs for eufy L60/ L50 Series
Bought these replacements for my Eufy vacuum. They fit and work great! No issues.
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Reviewed in the United States on April 6, 2026
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