3MHeat Shrink Breakout Boots

3M Heat Shrink Breakout Boot: 1 Pk, 2.35 in I.D. Before Shrinking

The 3M Heat Shrink Breakout Boot (SKU HDBB-420-1-250, MPN HDBB-420-1-250) is a black heat shrink breakout boot with a pack size of 1. It has a 2.35 in I.D. before shrinking and a 1 in I.D. after shrinking.

SKU 3G-OTH-53114

Also listed as: HDBB4201250 · HDBB 420 1 250

Brand

Item

Heat Shrink Breakout Boot: 1 Pk, 2.35 in I.D. Before Shrinking

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Manufacturer Part Number

HDBB-420-1-250 

Type

Black 

Color

Black 

Pack Size

1

I.D. After Shrinking

1 in 

I.D. Before Shrinking

2.35 in 

Technical Documents

No technical documents available for this product.

Request documentation →

Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.

Talk to an engineer

Ask a question

3M Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

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

The 3M Heat Shrink Breakout Boot is used to seal and protect cable splices and terminations in electrical and industrial applications. It provides environmental sealing and strain relief for multi-conductor cables, commonly used in power distribution, control panels, and junction boxes.

What are the specifications of the 3M Heat Shrink Breakout Boot HDBB-420-1-250?

The 3M Heat Shrink Breakout Boot HDBB-420-1-250 has a 2.35 in I.D. before shrinking and a 1 in I.D. after shrinking. It is black, comes in a pack size of 1, and is manufactured by 3M. The part number is HDBB-420-1-250.

Where to buy 3M Heat Shrink Breakout Boot in worldwide?

You can source the 3M Heat Shrink Breakout Boot through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time.

How to install a 3M Heat Shrink Breakout Boot?

To install a 3M Heat Shrink Breakout Boot, slide the boot over the cable before splicing, position it over the splice or termination, then apply heat evenly using a heat gun until it shrinks tightly around the cable. Ensure the boot is fully seated and cooled 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.

Browse all 3M products →Contact our engineers →