The 3M™ Scotchlok U1 Series Inline Connectors are self-stripping, insulated and moisture resistant. This document describes their specifications, usage and how to use them.
The 3M Scotchlok U1 Series Inline Connectors are self‑stripping, insulated and moisture‑resistant connectors designed for a range of wire sizes. This manual describes the U1B and U1R variants, their compatible wire dimensions, and general usage guidelines.
The required 3M E‑9BM crimping tool is detailed, including jaw setting to the "thick‑thin" position and the proper crimping technique to ensure the cap is flush with the connector body. Step‑by‑step splicing procedures and packaging information are also provided.
| U1B Wire Size Range | 1.3‑0.9 mm (16‑19 AWG) |
|---|---|
| U1R Wire Size Range | 0.9‑0.5 mm (19‑24 AWG) |
| Crimping Tool Required | 3M Scotchlok E‑9BM |
Only the 3M Scotchlok E‑9BM crimping tool should be used.
The cap must be flush with the connector body.
The U1B accepts wires from 1.3 mm to 0.9 mm (16‑19 AWG).
The U1R accepts wires from 0.9 mm to 0.5 mm (19‑24 AWG).