★★★★★ 5
Works great
Number of Items: 1
Works great easy fix for my Merc. Trim motor
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Reviewed in the United States on September 3, 2025
NCE Block Detector Module - BD20 - .01 to 20 Amps - All Scales
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
NCE Block Detector Module - BD20 - .01 to 20 Amps - All Scales01 to 20 amps. Detects presence of train in block by the current it draws in a range from 0. 01 to 20 amps. No electrical connection to track, simply route track feeder wire through holes in tombstone current. Does not reduce track voltage or get hot. Easily connects to Auxiliary Input Unit (524 200, sold separately) or most signal systems.
Quick Dispatch:
Your NCE Block Detector Module - BD20 - .01 to 20 Amps - All Scales orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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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.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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4.2 ★★★★★
Based on 1475 reviews
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Product Reviews
★★★★★ 5
Worked well
Number of Items: 1
Worked well for the money
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Reviewed in the United States on December 27, 2025
★★★★★ 4
Buy
Number of Items: 2
Great deal
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Reviewed in the United States on June 24, 2025
★★★★★ 5
Perfect replacement solenoids.
Number of Items: 2
Perfect fit and works as expected!
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Reviewed in the United States on September 11, 2025
★★★★★ 5
Excelente
Number of Items: 2
Excelente
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Reviewed in the United States on July 28, 2025
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