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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
Part Number
DT400
Category
Firestop Passthroughs for Cables
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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
Electrical maintenance — 3M Super 33+ electrical tape for insulating splices and bundling wires in control circuits.
Mining cable repair — 3M molded resin pouch for coating cable jackets in mine and portable cable applications.
Utility cable splicing — 3M cold shrink splice kit rated for 15 kV for insulating and repairing power cables.
Industrial wire harnessing — 3M 2520 series varnished cotton cloth tape for abrasion resistance in wire harnessing.
Structural bonding — 3M DP8005 acrylic adhesive for bonding plastics, metals, and composites in assembly operations.
Cable protection — 3M heat shrink tubing for sealing and protecting electrical connections from moisture and abrasion.
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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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Compatible alternatives & equivalents

Cross-referenced by specification & description
The 3M Cable Vertical Safety System is a steel, automatic pass-through lifeline system for fixed ladders. It includes three guides and features a trailing cable sleeve type. The system has a 90 ft lifeline length and a 310 lb capacity, designed for fall protection on vertical structures
3M
The 3M Cable Vertical Safety System is a steel, automatic pass-through lifeline system for fixed ladders. It includes three guides and features a trailing cable sleeve type. The system has a 90 ft lifeline length and a 310 lb capacity, designed for fall protection on vertical structures
Steel automatic lifeline system for fixed ladders with a 20 ft trailing cable and 310 lb capacity. Includes cable guides for smooth operation. Used for fall protection when climbing fixed ladders in industrial environments
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Steel automatic lifeline system for fixed ladders with a 20 ft trailing cable and 310 lb capacity. Includes cable guides for smooth operation. Used for fall protection when climbing fixed ladders in industrial environments
This stainless steel automatic pass-through lifeline system is designed for fixed ladders, providing fall protection for workers climbing vertical structures. It includes a 20 ft lifeline with a trailing cable sleeve and a 3/8 in 1x7 swaged galvanized steel cable, with a capacity of 310 lb
3M
This stainless steel automatic pass-through lifeline system is designed for fixed ladders, providing fall protection for workers climbing vertical structures. It includes a 20 ft lifeline with a trailing cable sleeve and a 3/8 in 1x7 swaged galvanized steel cable, with a capacity of 310 lb

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