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3M Heat Shrink Breakout Boot: 1 Pk, 1.5 in I.D. Before Shrinking - Heat Shrink Breakout Boots
3MHeat Shrink Breakout Boots

3M Heat Shrink Breakout Boot: 1 Pk, 1.5 in I.D. Before Shrinking

The 3M Heat Shrink Breakout Boot (SKU 2JKJ3) is a black heat shrink breakout boot from 3M, sold in a pack of 1. It has a 1.5 in I.D. before shrinking and a 0.69 in I.D. after shrinking (MPN HDBB-321-1-250).

SKU 3G-OTH-53020

Brand
3M
Item
Heat Shrink Breakout Boot: 1 Pk, 1.5 in I.D. Before Shrinking
Category
Heat Shrink Breakout Boots
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Technical Specifications

3M
Manufacturer Part Number
HDBB-321-1-250
Color
Black
Pack Size
1
I.D. After Shrinking
0.69 in
I.D. Before Shrinking
1.5 in
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3M Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The 3M Heat Shrink Breakout Boot (SKU 2JKJ3) is a black heat shrink breakout boot from 3M, sold in a pack of 1. It has a 1.5 in I.D. before shrinking and a 0.69 in I.D. after shrinking (MPN HDBB-321-1-250).

Frequently Asked Questions

What is a 3M Heat Shrink Breakout Boot used for?

A 3M Heat Shrink Breakout Boot protects cable splices and terminations where multiple cables branch from a single jacket. It provides strain relief, insulation, and environmental sealing in industrial electrical installations, panel building, and heavy equipment wiring.

What are the specifications of the 3M Heat Shrink Breakout Boot HDBB-321-1-250?

The 3M Heat Shrink Breakout Boot HDBB-321-1-250 has a 1.5 in I.D. before shrinking and a 0.69 in I.D. after shrinking. It is black, sold in a pack of 1, and manufactured by 3M. These dimensions suit cable diameters transitioning from a main jacket to multiple smaller cables.

Where to buy 3M Heat Shrink Breakout Boots worldwide?

3G Electric supplies 3M Heat Shrink Breakout Boots worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 3M breakout boot.

How to install a 3M Heat Shrink Breakout Boot?

Slide the 3M Heat Shrink Breakout Boot over the cable bundle before splicing. After completing the splice, position the boot over the transition area and apply heat evenly with a heat gun until it shrinks tightly around the cables. Allow to cool before handling.

Used in

Common applications for 3M
Industrial process water filtration — 3M solid polypropylene cartridge (e.g., RT10Q16G20NN, 7 micron) for sediment removal in manufacturing lines.
Cooling tower pre-treatment — 3M string-wound cartridge (e.g., RT39B16G20NN, 30 micron) to protect heat exchangers from particulate fouling.
Food and beverage rinse water — 3M 1 micron solid cartridge (RT10Y16G20NN) for fine filtration to meet quality standards.
Chemical processing feed water — 3M 27 micron solid cartridge (RT30L16G20NN) for high-flow sediment reduction upstream of sensitive equipment.
Wastewater effluent polishing — 3M 2 micron string-wound cartridge (RT09Y16G20NN) for final particulate removal before discharge or reuse.
Pharmaceutical utility water — 3M 0 micron string-wound cartridge (RT09L16G20NN) for sub-micron filtration in critical systems.

3M Products

3G Electric supplies 3M heat shrink breakout boots. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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