Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
3M PT4RMB* Round Mounting Bracket for Passthrough Devices - Wall Mounting Brackets for Passthrough Devices
3MWall Mounting Brackets for Passthrough Devices

3M PT4RMB* Round Mounting Bracket for Passthrough Devices

The 3M Round Mounting Bracket (MPN PT4RMB*) is a wall-mounting bracket for passthrough devices, featuring a round shape with 0.8 in overall height, 4 in overall length, and 4 in overall width. It is rated for 3-hour…

SKU 3G-OTH-551296

Brand
3M
Item
PT4RMB* Round Mounting Bracket for Passthrough Devices
Part Number
PT4RMB*
Category
Wall Mounting Brackets for Passthrough Devices
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

3M
Manufacturer Part Number
PT4RMB*
Type
3 hr
Overall Lg
4 in
Overall Ht
0.8 in
Overall Wd
4 in
Shape Broad
Round

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 Round Mounting Bracket (MPN PT4RMB*) is a wall-mounting bracket for passthrough devices, featuring a round shape with 0.8 in overall height, 4 in overall length, and 4 in overall width. It is rated for 3-hour fire protection.

Frequently Asked Questions

What is the 3M Round Mounting Bracket used for?

The 3M Round Mounting Bracket (PT4RMB*) is a wall-mounting bracket for passthrough devices. It provides a secure, fire-rated mounting point for cables or small equipment passing through walls, with a 3-hour fire protection rating. 3G Electric supplies this bracket globally.

What are the specifications of the 3M Round Mounting Bracket?

The 3M Round Mounting Bracket (PT4RMB*) has a round shape, 0.8 in overall height, 4 in overall length, and 4 in overall width. It is rated for 3-hour fire protection. The manufacturer part number is PT4RMB*. 3G Electric sources this 3M bracket for worldwide delivery.

Where to buy the 3M Round Mounting Bracket worldwide?

3G Electric supplies the 3M Round Mounting Bracket (PT4RMB*) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this 3M fire-rated mounting bracket.

How to install the 3M Round Mounting Bracket?

Install the 3M Round Mounting Bracket (PT4RMB*) by securing it to a wall or fire-rated assembly using appropriate fasteners (not included). Ensure the passthrough device fits within the 4 in by 4 in opening. Follow local fire codes for 3-hour rated penetrations. 3G Electric can provide sourcing support.

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.
Not sure this is the right part? Photo-identify it→

3M Products

3G Electric supplies 3M wall mounting brackets for passthrough devices. 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 →

Compatible alternatives & equivalents

Cross-referenced by specification & description
Round firestop passthrough device for cables, rated for 3-hour fire protection. Overall dimensions: 2 in height, length, and width. Designed to seal cable penetrations in fire-rated walls and floors, maintaining barrier integrity. Mounting plates not included
3M
Round firestop passthrough device for cables, rated for 3-hour fire protection. Overall dimensions: 2 in height, length, and width. Designed to seal cable penetrations in fire-rated walls and floors, maintaining barrier integrity. Mounting plates not included
The 3M PT4SD is a square firestop passthrough for cables with a 3-hour fire rating. Overall dimensions are 4 in height, length, and width. It is used to maintain fire-rated integrity where cables penetrate walls or floors, helping contain fire and smoke. Mounting plates are not included
3M
The 3M PT4SD is a square firestop passthrough for cables with a 3-hour fire rating. Overall dimensions are 4 in height, length, and width. It is used to maintain fire-rated integrity where cables penetrate walls or floors, helping contain fire and smoke. Mounting plates are not included
Round firestop passthrough for cables rated for 4-hour fire protection. Overall length 12 in, width 1 in. Includes two mounting plates. Used to maintain fire-resistance ratings where cables penetrate walls or floors
3M
Round firestop passthrough for cables rated for 4-hour fire protection. Overall length 12 in, width 1 in. Includes two mounting plates. Used to maintain fire-resistance ratings where cables penetrate walls or floors
Round firestop passthrough for cables, rated for 4-hour fire protection. Overall length 12 inches, width 2 inches. Includes two mounting plates. Used to seal cable penetrations in fire-rated walls and floors in commercial and industrial facilities
3M
Round firestop passthrough for cables, rated for 4-hour fire protection. Overall length 12 inches, width 2 inches. Includes two mounting plates. Used to seal cable penetrations in fire-rated walls and floors in commercial and industrial facilities
Round firestop passthrough for cables, rated for 4-hour fire protection. Measures 12 inches overall length by 4 inches overall width. Includes two mounting plates. Used to seal cable penetrations through fire-rated walls and floors
3M
Round firestop passthrough for cables, rated for 4-hour fire protection. Measures 12 inches overall length by 4 inches overall width. Includes two mounting plates. Used to seal cable penetrations through fire-rated walls and floors

More from 3M

View all 3M parts →
Square wall mounting bracket for passthrough devices. Measures 4 in length, 4 in width, and 0.75 in height. Rated for 3-hour fire protection. Suitable for mounting firestop or cable penetration seals in walls
3M
Square wall mounting bracket for passthrough devices. Measures 4 in length, 4 in width, and 0.75 in height. Rated for 3-hour fire protection. Suitable for mounting firestop or cable penetration seals in walls
Round wall mounting bracket for passthrough devices, rated for 3-hour fire resistance. Overall dimensions: 2 in height, 4 in length, 2 in width. Used to secure cables or equipment passing through fire-rated walls
3M
Round wall mounting bracket for passthrough devices, rated for 3-hour fire resistance. Overall dimensions: 2 in height, 4 in length, 2 in width. Used to secure cables or equipment passing through fire-rated walls
Rectangular wall mounting bracket for passthrough devices, designed for 4 in pipe size. Overall dimensions: 2 in height, 12 in length, 8 in width. Rated for 3-hour fire-resistance, suitable for fire-rated penetrations in walls
3M
Rectangular wall mounting bracket for passthrough devices, designed for 4 in pipe size. Overall dimensions: 2 in height, 12 in length, 8 in width. Rated for 3-hour fire-resistance, suitable for fire-rated penetrations in walls

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first