Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
3M Sleeve Kit: Round, 12 in Overall Lg, 4 in Overall Wd, 4 hr - Firestop Passthroughs for Cables
3MFirestop Passthroughs for Cables

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

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

Brand
3M
Item
Sleeve Kit: Round, 12 in Overall Lg, 4 in Overall Wd, 4 hr
Category
Firestop Passthroughs for Cables
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
View Full Spec Sheet

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

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

Is the 3M Sleeve Kit: Round, 12 in Overall Lg, 4 in Overall Wd, 4 hr available from 3G Electric?

Yes — 3G Electric supplies genuine 3M products, available to order with worldwide shipping. Contact us for current lead time.

How do I get a quote for the 3M Sleeve Kit: Round, 12 in Overall Lg, 4 in Overall Wd, 4 hr?

Click "Request a Quote" on this page or add the product to your RFQ cart. Our engineers will respond within 24 hours with pricing, lead times, and technical recommendations.

Does 3G Electric provide technical support for firestop passthroughs for cables?

Yes, our team of experienced engineers provides full technical support including product selection, installation guidance, commissioning, and after-sales service for all firestop passthroughs for cables we distribute.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from 3M

View all 3M parts →
3M Fire Barrier Pass-Through Device: Round, 2 in Overall Ht, 2 in Overall Lg, 2 in Overall Wd, 3 hr (MPN PT2RD). Key specifications — Brand: 3M; Shape_Broad: Round; Mounting Plates Included: No Plates.
3M
3M Fire Barrier Pass-Through Device: Round, 2 in Overall Ht, 2 in Overall Lg, 2 in Overall Wd, 3 hr (MPN PT2RD). Key specifications — Brand: 3M; Shape_Broad: Round; Mounting Plates Included: No Plates.
3M Fire Barrier Pass-Through Device: Square, 4 in Overall Ht, 4 in Overall Lg, 4 in Overall Wd, 3 hr (MPN PT4SD). Key specifications — Brand: 3M; Shape_Broad: Square; Mounting Plates Included: No Plates.
3M
3M Fire Barrier Pass-Through Device: Square, 4 in Overall Ht, 4 in Overall Lg, 4 in Overall Wd, 3 hr (MPN PT4SD). Key specifications — Brand: 3M; Shape_Broad: Square; Mounting Plates Included: No Plates.
3M Sleeve Kit: Round, 12 in Overall Lg, 2 in Overall Wd, 4 hr, Cable (MPN DT200). Key specifications — Brand: 3M; Shape_Broad: Round; Mounting Plates Included: Two Plates.
3M
3M Sleeve Kit: Round, 12 in Overall Lg, 2 in Overall Wd, 4 hr, Cable (MPN DT200). Key specifications — Brand: 3M; Shape_Broad: Round; Mounting Plates Included: Two Plates.
3M Sleeve Kit: Round, 12 in Overall Lg, 1 in Overall Wd, 4 hr, Cable (MPN DT100). Key specifications — Brand: 3M; Shape_Broad: Round; Mounting Plates Included: Two Plates.
3M
3M Sleeve Kit: Round, 12 in Overall Lg, 1 in Overall Wd, 4 hr, Cable (MPN DT100). Key specifications — Brand: 3M; Shape_Broad: Round; Mounting Plates Included: Two Plates.