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Description
20mm Rated Operating Distance Inductive Sensor NBB20-U4-UUReplacement part number: NBB20 U4 UU, NBB20U4UU Specification: Switching function: Normally open closed (NO NC) Output type: Two wire Rated operating distance: 20 mm Installation: flush Output polarity: AC DC Assured operating distance: 0 16. 2 mm Actual operating distance: 18 22 mm Output type: 2 wire Switching frequency: AC, 0 30 Hz; DC, 0 100 Hz Operating current: 5 500 mA Rated operating current: 500 mA 50 60 Hz Lowest operating current: 5 mA Off
Replacement part number:
NBB20-U4-UU, NBB20U4UUSpecification:
Switching function: Normally open/closed (NO/NC)
Output type: Two-wire
Rated operating distance: 20 mm
Installation: flush
Output polarity: AC/DC
Assured operating distance: 0 ... 16.2 mm
Actual operating distance: 18 ... 22 mm
Output type: 2-wire
Switching frequency: AC, 0 ... 30 Hz; DC, 0 ... 100 Hz
Operating current: 5 ... 500 mA
Rated operating current: 500 mA 50/60 Hz
Lowest operating current: 5 mA
Off-state current: �1.5 mA
Usage category: AC12 , AC140 , DC12 , DC13
Rated operating voltage: 24 ... 250 V DC / 24 ... 230 V AC
Operating voltage: 20 ... 275 V DC / 20 ... 253 V AC
Rated insulation voltage: 250 V
Rated impulse withstand voltage: 2.5 kV
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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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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4.0 ★★★★★
Based on 1887 reviews
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Product Reviews
★★★★★ 3
Run small
Size: 3X-Large
I even went up a size and they were still quite uncomfortable due to being too small. They just plain didn’t fit so you might wanna go up a couple of sizes
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Reviewed in the United States on December 28, 2025
★★★★★ 5
Who knew!?
Size: 3X-Large
I have problems with elastic around my legs so I looked for underwear without the elastic and found these. Okay, not the best look for “date night” but the itchiness is gone when I wear these underwear. I consider it a miracle! Date night will just have to be à la cart.
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Reviewed in the United States on May 14, 2026
★★★★★ 4
Lil tight
Size: 3X-Large
Def purchase a size above what you normally wear. I unfortunately could not go any higher of a size. Its more of a snug fit, somewhat stretchy, but the fabric is soft and feels great. If the size was just a lil bit bigger these would be perfect. But they feel good.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
Love
Size: Medium
I am someone that really does not like to wear underwear, but I don't need to be flashing everybody. I probably should have went with some calmer prints, but they are comfy! Sometimes I forget that they are supposed to be underwear and I walk outside in them.
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Reviewed in the United States on April 22, 2026
★★★★★ 2
Size chart does not reflect actual size of garment.
Size: 3X-Large
I ordered these according to the size chart. Asian sizes are much different from U.S. sizes. What I received does not coincide with measurements given. The only good thing I can say is that the colors are pretty.
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Reviewed in the United States on January 7, 2026