3M IT1.500BK48IN-S Heat Shrink Cable Sleeve 600V 48in

Product Description

The 3M IT1.500BK48IN-S is a heavy-wall, heat shrink cable sleeve rated for 600 volts and designed for durable insulation and protection of electrical splices, service relocation points, and sheath repair sites. Constructed from cross-linked polyolefin with a 3:1 shrink ratio, it delivers a minimum expanded diameter of 1.5 inches and a maximum recovered diameter of 0.5 inches. The 48-inch length accommodates a wide range of cable repair and insulation tasks. Licensed electricians and utility crews install this sleeve during medium-voltage cable service work where reliable, long-term protection against environmental and mechanical stress is required.

This sleeve is suited for both indoor and outdoor applications, including overhead installations. Rated for use on cable sizes from 3/0 AWG to 400 KCMIL with a cable outer diameter range of 0.6 to 1.19 inches, it covers a broad cross-section of low- and medium-voltage cable repair scenarios. Typical use cases include insulating secondary splices, dig-in repairs, and sheath repairs on distribution systems. Its temperature rating of -55 to 110 degrees C (-67 to 230 degrees F) makes it viable across a full range of field conditions, from cold-climate installations to high-heat environments.

Key Features

• Heavy wall construction resists puncture and abrasion damage at the repair site
• 3:1 shrink ratio allows a single sleeve size to cover a wide cable diameter range from 0.6 to 1.19 inches
• Cross-linked polyolefin material resists acids, alkalies, UV exposure, and weathering
• Rated for indoor, outdoor, and overhead use including direct burial repair scenarios
• Bonds to a wide variety of cable jacket substrates for a secure, moisture-resistant seal
• ROHS compliant with UL 486-D and CSA approvals

Compatibility

Designed for use with cables ranging from 3/0 AWG to 400 KCMIL with outer diameters between 0.6 and 1.19 inches. Suitable for secondary splice insulation, service relocation, dig-in repairs, and sheath repairs on low- and medium-voltage distribution cables in indoor, outdoor, or overhead installations.

Installation Notes

Installation is performed by licensed electricians following applicable NEC requirements for cable splicing and insulation restoration. De-energize and verify the absence of voltage on all conductors before applying the sleeve. Apply uniform heat using an appropriate heat gun, working from the center outward to avoid trapping air pockets. Do not use open-flame torches, as uneven heat can cause improper shrink or damage to the sleeve material.