sales@foscoconnect.com
(510) 319-9878
Silicon Valley, CA, USA
Overview
The CommScope FOSC 450 B is an industry-standard fiber optic splice closure engineered for robust performance in diverse environments, including aerial, pedestal, buried, and underground applications. This closure utilizes advanced gel seal technology for cable terminations, eliminating the need for heat shrink, mastics, or specialized installation tools.
Designed for versatility, the FOSC 450 B supports a wide range of splicing applications such as expressed, tap-off, branch, and repair. Its dome-to-base clamping system ensures secure, reliable sealing, while the gel terminations automatically adjust to varying cable sizes and shapes, facilitating easier installation and re-usability of the seals when cable maintenance or reconfiguration is required.
Key Features
-
Gel Sealing Technology
Eliminates the need for heat shrink or tapes, allowing for faster installation and easier cable removal. -
Universal Application
Suitable for aerial, pedestal, buried, and underground deployment environments. -
High Splice Capacity
Supports up to 144 single splices or 288 mass splices for high-density network requirements. -
Robust Clamping System
Features a reliable dome-to-base clamping mechanism for secure environmental protection. -
Re-usable Seals
Gel cable terminations are designed to be re-usable, simplifying future network maintenance. -
Standardized Tray Support
Accommodates up to 6 splice trays to scale capacity as needed. -
Integrated Hardware
Includes 3 ground feed-through lugs and a valve for pressure/flash testing.
Applications
- Aerial fiber distribution
- Direct buried and underground conduit systems
- Pedestal-mounted fiber terminals
- Fiber repair and branch splicing
Package Contents
- (1) 24-count splice tray
- Basket
- 3 ground feed-through lugs
- Valve for flash testing
Technical Specifications
| Specification | Value |
|---|---|
| Manufacturer | CommScope |
| Product Series | FOSC 450 |
| Part Number | FOSC450B66241B3V |
| Port Count | 6 Round Ports |
| Splice Capacity (Single) | Up to 144 |
| Splice Capacity (Mass) | Up to 288 |
| Max Splice Trays | 6 |
| Dimensions | 10" Diameter x 24" Long |
| Sealing Method | Gel Seal |
Frequently Asked Questions
Is the gel seal reusable?
Yes, the gel seal technology is designed to be re-usable, making it easy to remove or add cables without replacing the sealing components.
Does this closure require heat shrink for installation?
No, this model uses gel sealing technology, which requires no heat shrink, tapes, or special tools for installation.
What environments can this closure be used in?
The FOSC 450 family is rated for aerial, pedestal, buried, and underground environments.
How many splice trays come with this kit?
This configuration includes one 24-count splice tray, but the unit is capable of holding up to 6 trays total.
Can I perform flash testing on this closure?
Yes, it includes an integrated valve specifically for flash testing.

