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BT5057-1A: 50HP@575V Single Speed Soft Start (Discontinued)

Marsoni M251S
Sale price$751.12
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BT5057-1A: 50HP@575V Single Speed Soft Start (Discontinued)BT5057 1A: 50HP@575V Single Speed Soft Start This model is a single speed Smooth Move model that is ideal for travel applications such as large trolleys and bridges. This device eliminates belt, drive train, and gear wear and tear. The BT Series by Power Electronics replaces cushion start systems such as timers, inductors and resistor ballasts. Features: Size: 20x 7x 5. 13 Phase loss protection on input Time and torque settings for motor soft ramp
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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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4.4 ★★★★★
Based on 1276 reviews
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Brooke
Whiting, US
★★★★★ 5
Favorite socks
Size: Medium, Color: Black/Assorted
These are my go to socks! Love these. Great towards sweat and different weather temperatures. Mostly use for working out and love them. Will be getting more!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2024
B
Verified Purchase
B
Carnegie, US
★★★★★ 5
Great socks
My fav socks. I am a size 9 women’s and they fit perfect. They are soft and comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
M
Verified Purchase
MSMom
Battle Creek, US
★★★★★ 5
Great socks!
These are great low cut socks with padding in appropriate places. The shape keeps them from sliding down in my tennis shoes. I just wish more than three pair came in the pack.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
D
Verified Purchase
Darrah
Boise, US
★★★★★ 5
Great socks
Size: Large, Color: (672) Super Pink / Blaze Orange / Super Pink
My favorite socks! Fit great and don’t slip down in my shoes. They are cozy and cushiony. I love the colors too.
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Reviewed in the United States on October 21, 2025
C
Verified Purchase
Crystal slater
Draper, US
★★★★★ 5
Quality under armor product
These are so very comfortable they are thin yet keep my feet warm around the house while it’s snowing outside
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Reviewed in the United States on January 7, 2026

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