3M Fire Barrier Pass-Through Device PT4SD, 4 in Square, 6/Case

• Cable management solution for electrical, data and communication applications
• Firestop tested for up to 3 hours in accordance with ASTM E 814 (UL 1479)
• Intumescent material and foam smoke seals provide lasting firestop protection
• One-piece, square hinged metal enclosure makes installation fast and easy
• Re-enterable for high traffic areas or blank penetrations
• Square shape allows for stacking multiple boxes for ganging

The 3M Fire Barrier Pass-Through Device Square are one-piece hinged metal enclosures designed to prevent the passage of fire, smoke and toxic gas. This easily-installed device is ideal for firestopping penetrations in high traffic areas where telecom, data or electrical cables are frequently added or removed. Intumescent material and foam smoke seals achieve up to a 4 hour fire protection rating.

Simple and Effective for Protecting Critical Equipment
3M Fire Barrier Pass-Through Device Square is an ideal firestop solution for through wall penetrations for cabling. This one-piece, square, hinged metal enclosure features a combination of a fixed firestopping intumescent material and foam smoke seals at each end. The re-enterable device installs quickly and easily for new construction or retrofit applications. It is built for square openings and allows for stacking multiple boxes for easy cable management. It is suitable for blank penetrations, or it hinges over existing cables. It can be secured using optional mounting brackets or firestop sealants (sold separately). When adding or removing cables in the penetration, technicians simply remove and reinstall the foam plugs instead of the entire device. This Fire Barrier Pass-Through Device is designed to provide years of dependable through-penetration firestopping with no reapplication or maintenance.

Recommended Applications

• Vital telecom equipment firestop, especially in high-traffic areas where cable is frequently added or removed
• Cables – 750 kcmil, Cat 6, fiber optic, 300 pair No. 24 AWG copper telephone cable, thermostat
• Plastic pipes – ccPVC, PVC, ENT, CPVC, FRPP, PVDF, ccABS, ABS, rigid non-metallic, PEX
• Metal pipes – copper, steel, iron, flexible gas
• Insulated - AB/PVC on copper line sets
• Combinations – metallic, non-metallic and insulated pipes plus cables
• Blank penetrations

Fully Tested and Approved
Our 3M Fire Barrier Pass-Through Device Round are firestop tested to the criteria of ASTM E 814/UL 1479 Standard Test Method for Fire Tests of Penetration Firestop Systems, ASTM E 84/UL 273 Standard Test Method for Surface Burning Characteristics of Building Materials, ASTM E 90 Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements, and ASTM E 413 Classification for Rating Sound Insulation.

Reliable and Affordable Fire Protection
Effective and easy to install, 3M Fire Barrier Pass-Through Device Square are part of our family of fire protection products that offer the broadest, long-lasting solutions for a variety of commercial, industrial and residential applications. As a trusted leader in the fire protection industry, 3M offers a broad line of affordable products designed to meet the most demanding firestop requirements. Find the solution you need from the industry-preferred line of fire protection products.

Trusted 3M Fire Barrier

The 3M Fire Barrier Pass-Through Device PT4SD offers reliable fire protection designed by 3M, a leader in fire safety solutions. This model ensures dependable firestopping for electrical, data, and communication cables, making it a trusted choice for critical installations.

Its one-piece, square hinged metal enclosure simplifies installation and maintenance. The PT4SD model is built to handle high-traffic areas where cables are frequently added or removed, ensuring lasting protection without reapplication.

Square 4 Inch Design

This device features a 4 inch square shape, ideal for standard square openings in walls and partitions. The square design allows for stacking multiple boxes, enabling efficient cable management and ganging for larger installations.

Its dimensions fit well in various construction settings, providing a neat and organized solution for firestopping penetrations. The square shape also supports easy retrofitting and new construction applications.

Effective Firestop Protection

With firestop testing up to 3 hours under ASTM E 814 (UL 1479), this device offers strong resistance against fire, smoke, and toxic gases. Intumescent material and foam smoke seals provide lasting firestop protection to safeguard critical infrastructure.

The device’s firestop rating ensures compliance with safety standards, making it suitable for vital telecom and electrical equipment areas. It also supports blank penetrations and can be re-entered without compromising protection.

Convenient 6 Case Pack

Sold in a pack of 6, the 3M PT4SD model offers convenience for contractors and installers needing multiple units. This pack size supports efficient project planning and bulk purchasing for commercial or industrial jobs.

Having six devices per case reduces ordering frequency and helps maintain consistent stock levels on-site. It’s a practical choice for large-scale installations requiring multiple fire barrier pass-through devices.

Simple Installation Features

The device’s one-piece hinged metal enclosure makes installation fast and easy, saving time on the job. Its re-enterable design means technicians can add or remove cables without removing the entire device, improving maintenance efficiency.

Optional mounting brackets and firestop sealants can secure the device further, while foam plugs allow quick access to cables. This design suits both new construction and retrofit applications, enhancing versatility.