We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
STI NEZ33-W Firestop Passthrough for Cables, Square, 6.5 in H x 6.25 in L - Firestop Passthroughs for Cables
STIFirestop Passthroughs for Cables

STI NEZ33-W Firestop Passthrough for Cables, Square, 6.5 in H x 6.25 in L

The STI Smoke and Acoustical Pathway Device: Square (MPN NEZ33-W) is a firestop passthrough for cables, measuring 6.5 in overall height and 6.25 in overall length. This square-shaped device from STI does not include…

SKU 3G-OTH-553355

Also listed as: NEZ33W · NEZ33 W

Brand
STI
Item
NEZ33-W Firestop Passthrough for Cables, Square, 6.5 in H x 6.25 in L
Part Number
NEZ33-W
Category
Firestop Passthroughs for Cables
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.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

STI
Manufacturer Part Number
NEZ33-W
Overall Lg
6.25 in
Overall Ht
6.5 in
Shape Broad
Square
Mounting Plates Included
No Plates

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

STI Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The STI Smoke and Acoustical Pathway Device: Square (MPN NEZ33-W) is a firestop passthrough for cables, measuring 6.5 in overall height and 6.25 in overall length. This square-shaped device from STI does not include mounting plates.

Frequently Asked Questions

What is the STI NEZ33-W smoke and acoustical pathway device used for?

The STI NEZ33-W is a firestop passthrough for cables, designed to seal openings in fire-rated walls or floors. It prevents smoke and sound transmission while maintaining the fire-resistance rating of the barrier, commonly used in commercial and industrial construction.

What are the specifications of the STI NEZ33-W?

The STI NEZ33-W is a square firestop passthrough with an overall height of 6.5 in and overall length of 6.25 in. It does not include mounting plates. The manufacturer part number is NEZ33-W, and it is designed for cable passthrough applications.

Where to buy the STI NEZ33-W worldwide?

3G Electric supplies the STI NEZ33-W smoke and acoustical pathway device to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this firestop passthrough for cables.

How to install the STI NEZ33-W firestop passthrough?

Install the STI NEZ33-W by cutting a square opening in the fire-rated barrier, inserting the device, and sealing edges with approved firestop sealant. Follow local building codes and the manufacturer's instructions for proper smoke and acoustical sealing. No mounting plates are included.

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

STI Products

3G Electric supplies STI 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 STI

View all STI parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first