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3M DT400 Sleeve Kit: Round, 12 in Overall Lg, 4 in Overall Wd, 4 hr, Cable - Firestop Passthroughs for Cables
3MFirestop Passthroughs for Cables

3M DT400 Sleeve Kit: Round, 12 in Overall Lg, 4 in Overall Wd, 4 hr, Cable

The 3M DT400 Sleeve Kit is a round firestop passthrough for cables, rated for 4-hour fire protection. It measures 12 inches overall length by 4 inches overall width and includes two mounting plates. 3G Electric…

SKU 3G-OTH-553358

Also listed as: DT 400 · DT-400

Brand
3M
Item
DT400 Sleeve Kit: Round, 12 in Overall Lg, 4 in Overall Wd, 4 hr, Cable
Category
Firestop Passthroughs for Cables
Available to Order
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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

3M
Manufacturer Part Number
DT400
Type
4 hr, Cable
Overall Lg
12 in
Overall Wd
4 in
Shape Broad
Round
Mounting Plates Included
Two Plates

Technical Documents

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3M Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The 3M DT400 Sleeve Kit is a round firestop passthrough for cables, rated for 4-hour fire protection. It measures 12 inches overall length by 4 inches overall width and includes two mounting plates. 3G Electric interprets customer demand and delivers this genuine 3M product across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.

Frequently Asked Questions

What is the 3M DT400 Sleeve Kit used for?

The 3M DT400 Sleeve Kit is a round firestop passthrough designed to seal cables through fire-rated walls and floors. It provides 4-hour fire protection, helping contain flames and smoke in commercial and industrial buildings. 3G Electric supplies this genuine 3M product worldwide.

What are the specifications of the 3M DT400 Sleeve Kit?

The 3M DT400 Sleeve Kit is round, 12 inches overall length by 4 inches overall width, rated for 4-hour fire protection for cables. It includes two mounting plates. The manufacturer part number is DT400. 3G Electric sources this 3M firestop passthrough for global delivery.

Where to buy the 3M DT400 Sleeve Kit worldwide?

3G Electric supplies the genuine 3M DT400 Sleeve Kit worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we interpret your demand and source this 4-hour firestop passthrough for cables, including mounting plates.

How to install the 3M DT400 Sleeve Kit?

Install the 3M DT400 Sleeve Kit by securing the two included mounting plates to the fire-rated opening, then passing cables through the round sleeve. Follow generic firestop installation best practices: ensure a tight seal and use compatible sealants if required. 3G Electric delivers this 3M product for your project.

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 firestop passthroughs for cables. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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