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3M 84258 Cold Shrink Insulator

3M Cold Shrink Connector Insulators 8420 Series are durable, open-ended rubber sleeves made of EPDM rubber, designed for quick, tool-free installation over electrical connections. They provide water-resistant sealing for cables up to 1000 volts, suitable for indoor and outdoor use, including direct burial and submersible applications. The insulators resist aging, moisture, UV, acids, and alkalis, maintaining pressure and resiliency over years. They feature excellent electrical insulation properties, high tensile strength, ease of installation, and no need for mastic or heat, ensuring long-term reliability and environmental sealing in diverse electrical environments.

Authorized Distributors
Source:Newark
Part No:8425-8
Stock:43
Inv Date:05-29-2026
Price: Unit price: $28.27
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Source:Newark
Part No:84258
Stock:1
Inv Date:05-29-2026
Price: Unit price: $56.76
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Source:DigiKey
Part No:8425-8
Stock:340
Inv Date:05-29-2026
Price: Unit price: $34.606
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Source:DigiKey
Part No:84258
Stock:0
Inv Date:05-29-2026
Price: Unit price: $66.38
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Source:DigiKey
Part No:84258
Stock:0
Inv Date:05-29-2026
Price: Unit price: $1592.01
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Part No:8425-8
Stock:0
Inv Date:05-30-2026
Price: Unit price: $37.14
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Part No:84258
Stock:0
Inv Date:05-30-2026
Price: N/A
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Part No:8425-8
Stock:0
Inv Date:05-29-2026
Price: Unit price: $21.27
Buy/RFQ:
Part No:84258
Stock:0
Inv Date:05-29-2026
Price: Unit price: $61.44
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Authorized Distributors
Part No:8425-8
Stock:0
Inv Date:05-29-2026
Price: Unit price: $36
Buy/RFQ:
Part No:8425-8
Stock:0
Inv Date:05-29-2026
Price: Unit price: $36
Buy/RFQ:
Part No:84258
Stock:1
Inv Date:05-28-2026
Price: N/A
Buy/RFQ:

3M 84258 Cold Shrink Insulator Specifications:

  • Material: EPDM rubber
  • Color: Black
  • Operating Temperature Range: -40°F to 194°F (-40°C to 90°C)
  • Dielectric Strength: 365 V/mil
  • Elongation: 750%
  • Tensile Strength: 1400 psi
  • Modulus: 480 psi at 300% elongation
  • Die C Tear: 150 pli
  • Moisture Absorption: 1.8% after 7 days at 90°C
  • Water Resistance: Meets ANSI C119.1 water seal requirements
  • Installation: Tool-free, needs no mastic or tape, resilient under aging
  • Size Range: Varies from 0.31 in to 3.69 in diameter depending on model
  • Applicable Voltage: Up to 1000 volts
  • Shelf Life: 5 years from manufacture when stored properly

Buy the Buy 3M Cold Shrink Connector Insulators 8420 Series Part Number 84258 Online

Purchase 3M Cold Shrink Connector Insulators 8420 Series online today to ensure reliable, water-resistant electrical connections. These sleeves are easy to install without tools, offering excellent environmental resistance, UV stability, and durability. Perfect for underground, outdoor, or indoor electrical wiring, they provide long-term insulation and protection against moisture, chemicals, and aging. With a 5-year shelf life, order now for quick, secure installation and professional-grade electrical sealing in any project requiring dependable, watertight cable insulation up to 1000 volts.

Buy 3M Cold Shrink Connector Insulators 8420 Series now and experience long-lasting, waterproof electrical sealing for diverse applications.

Frequently Asked Questions

Where can I buy 3M 84258?

You can click on the BUY or RFQ button to purchase 84258 from an authorized 3M distributor.

How do I troubleshoot issues or seek technical support for part 84258?

You can download the 84258 datasheet or visit the 3M website for support.

Who is the manufacturer of 84258?

3M

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