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Ferrules & Crimpers

Altech ferrules and crimpers ensure secure, professional wire terminations with reliable conductivity for industrial, electrical, and automation applications.

For over 30 years, Altech has offered one of the industry’s most complete lines of wire ferrules and crimping tools. Available in UL, CSA, CE, and DIN standard versions, these ferrules ensure secure, reliable terminations for stranded wire—eliminating loose strands, shorts, and weak connections. Made from tin-plated copper with polypropylene insulation, Altech’s range includes single and twin insulated ferrules, non-UL types, and assortment boxes covering sizes from 24 AWG to 350 MCM. A full selection of UL Recognized hand and semi-automatic crimpers supports professional, compliant wiring for UL508A control panels and industrial applications.

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UL Single Insulated Wire Ferrules (Large Standard Pack)

UL Single Insulated Wire Ferrules (Small Sstand Pack)

UL Twin Insulated Wire Ferrules

UL Insulated Wire Ferrules on Reel/Belt

Insulated Industry & DIN Standard

Also Original Dual Wire Ferrules

Uninsulated and Dual Wire Insulated Ferrules

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Crimper Selections & Guide

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Part Selection Guide
Barrel Length (L₂ mm)
6(2)
8(10)
10(2)
12(10)
12(1)
14(1)
16(2)
18(6)
20(2)
22(5)
32(1)
AWG
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Ferrules & Crimpers Ferrules & Crimpers 2

    FII0416 - UL Single Insulated : 4 AWG : 25 mm²

    FII0416
    Single Insulated Wire Ferrules (Large Standard Pack) Altech offers a wide variety of single and twin insulated ferrules for all your stranded wire applications. No more loose strands, no more loosening terminations, and no more shorts caused by stray strands. Ferrules are made of tin-plated copper and insulating collar is made of polypropylene plastic....
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    Ferrules & Crimpers Ferrules & Crimpers 2

      FID0416 - UL Single Insulated : 4 AWG : 25 mm²

      FID0416
      Single Insulated Wire Ferrules (Large Standard Pack) Altech offers a wide variety of single and twin insulated ferrules for all your stranded wire applications. No more loose strands, no more loosening terminations, and no more shorts caused by stray strands. Ferrules are made of tin-plated copper and insulating collar is made of polypropylene plastic....
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      Wire & Cable Management
      Part Selection Guide
      Barrel Length (L₂ mm)
      6(2)
      8(10)
      10(2)
      12(10)
      12(1)
      14(1)
      16(2)
      18(6)
      20(2)
      22(5)
      32(1)
      AWG
      4(2)
      Color
      Beige(1)
      Blue(2)
      Brown(1)
      Olive(1)
      Red(2)
      Yellow(1)
      Ferrule Type
      Insulated(2)
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