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This STI firestop sheet is a silver panel designed to seal openings in fire-rated walls and floors, helping to contain flames and smoke. With a 4-hour fire rating, it measures 24 inches wide by 3 feet long. Typical applications include maintaining compartmentation integrity in commercial and industrial construction.

STI

STI Firestop Sheet CS2436, 24 in x 3 ft, 4 hr Fire Rating, Silver

BrandSTI

CategoryFirestop Sheets

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Metal firestop passthrough for sealing cable penetrations through fire-rated walls and floors. Square shape with overall dimensions of 7.5 in height, 6 in length, and 3 in width. Includes two mounting plates. Maintains fire-resistance rating of the barrier while allowing cables to pass through.

STI

STI EZDR400 Firestop Passthrough for Cables

BrandSTI

CategoryFirestop Passthroughs for Cables

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Clear polycarbonate cover for indoor wall-mounted horns or strobes. Surface-mount design includes mounting hardware. Water resistant. Protects against vandalism and accidental damage.

STI

STI STI-1210A Alarm Guard

BrandSTI

CategoryCovers for Alarms & Wall Fixtures

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Firestop strip used to seal gaps around pipes, cables, and ducts in fire-rated walls and floors. Provides up to 4 hours of fire resistance to prevent flame and smoke spread. Red in color, 1.5 in wide.

STI

STI Firestop Strip, 1.5 in Wide, 4 hr Fire Rating, Red

BrandSTI

CategoryFirestop Wraps, Strips & Tape

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Firestop collar for sealing plastic pipes penetrating fire-rated walls and floors. Rated for 2-hour fire protection. Designed for 3-inch plastic pipes and common construction surfaces.

STI

STI LCC300 Firestop Collar for 3 in Plastic Pipe, 2 Hour Rating

BrandSTI

CategoryFirestop Collars for Pipes

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Square firestop passthrough for cables, 5.5 in overall height and 4 in overall length. Designed to seal openings in fire-rated walls or floors while maintaining smoke and acoustical integrity. No mounting plates included.

STI

STI NEZ33 Firestop Passthrough for Cables, Square, 5.5 in H x 4 in L

BrandSTI

CategoryFirestop Passthroughs for Cables

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Rectangular wall mounting bracket designed for securing passthrough devices in industrial environments. Overall dimensions: 6 in height, 10 in length, 2 in width. Provides a stable platform for routing cables, hoses, or conduits through walls.

STI

STI EZP544W Wall Mounting Bracket for Passthrough Devices

BrandSTI

CategoryWall Mounting Brackets for Passthrough Devices

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This rectangular wall mounting bracket is designed for passthrough devices, providing a structured opening for routing cables or equipment through walls. It measures 2 inches in height, 12 inches in length, and 6 inches in width. Suitable for use in industrial and commercial installations where clean cable management is required.

STI

STI EZP233W Rectangular Wall Mounting Bracket for Passthrough Devices

BrandSTI

CategoryWall Mounting Brackets for Passthrough Devices

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This electrically corded standard door alarm features a red polycarbonate body and a mortise cylinder type. It emits a 105 dB siren sound when the door is opened, suitable for monitoring emergency exits and controlling access in commercial and institutional settings.

STI

STI STI-6453AED Standard Door Alarm, Mortise, Red, Polycarbonate, Siren, 105 dB

BrandSTI

CategoryStandard Door Alarms

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Long range antenna designed to extend communication range for security systems, including alarm panels and access control networks. Improves signal reception in large facilities, warehouses, or outdoor installations where standard antennas may not provide reliable coverage.

STI

STI Long Range Antenna

BrandSTI

CategoryAntennas for Security Systems

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Frequently asked questions

Common questions about STI from 3G Electric.

Does 3G Electric supply STI products?

Yes — 3G Electric (S) Pte. Ltd. supplies STI products. We stock the STI catalog and supply genuine factory-original products with full manufacturer warranty and technical support.

What STI products does 3G Electric stock?

STI industrial equipment and spare parts for commercial and industrial applications.

Where can I buy STI industrial equipment?

You can order STI products directly from 3G Electric. Commonly ordered items dispatch quickly from in-stock inventory. For non-stocked models or custom configurations, typical lead time is 2–6 weeks direct from the STI factory. Request a quote via our contact page for pricing and availability.