NCE Block Detector Module - BD20 - .01 to 20 Amps - All Scales

NCE Block Detector Module - BD20 - .01 to 20 Amps - All Scales

Marsoni

M251S

$16.99

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.

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This item did exactly what it was expected to do, and I couldn’t be happier with my purchase. It works as described, is easy to use, and the overall quality exceeded my expectations. The price was great for what you get, making it an excellent value. Everything about it—from performance to convenience—has been spot on. My sister has noticed an extreme growth in her hair since using this product. I’m very satisfied and would definitely recommend this to anyone looking for something reliable and well worth the money!

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Reviewed in the United States on May 5, 2026

Verified Purchase

Connie V. Yancey

Lake Worth, US

★★★★★ 5

New growth.

Scent: Earthy, Nutty, Refreshing, Size: 4.06 Fl Oz (Pack of 1)

I like this and I think it is really growing my edges back. I will keep on using it. Did not want to post pictures yet.

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Reviewed in the United States on April 4, 2026

Verified Purchase