FOSC 400 FR fire resistant, fiber optic splice closures are made with a flame retardant material and can be used for splices in cable vaults and buildings.

All FOSC 400 closures have an easy-to-use mechanical clamping system for the dometo base seal. Cable ports are sealed with heat shrink tubing installed with a hot air gun. One size of cable seal can be used on any size or type of cable, in any round port and on any closure. New cables can be installed without disturbing existing cables or splices.

FOSC 400 closures are truly versatile and reliable platforms for any fiber optic cable terminations, outside and inside.
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Flame Retardant Fiber Optic Splice Closures

Flame Retardant Fiber Optic Splice Closures
Flame Retardant Fiber Optic Splice Closures

Flame Retardant Fiber Optic Splice Closures
Description N/A FOSC 400 FR fire resistant, fiber optic splice closures are made with a flame retardant material and can be used for splices in cable vaults and buildings.

All FOSC 400 closures have an easy-to-use mechanical clamping system for the dometo base seal. Cable ports are sealed with heat shrink tubing installed with a hot air gun. One size of cable seal can be used on any size or type of cable, in any round port and on any closure. New cables can be installed without disturbing existing cables or splices.

FOSC 400 closures are truly versatile and reliable platforms for any fiber optic cable terminations, outside and inside.
Spliced Fiber Storage Capacity - Single Fusion N/A 576 N/A 96
Spliced Fiber Storage Capacity - Single Mechanical N/A 288 N/A 48
Mass Fusion N/A 1728 N/A 288
Slack Storage Capacity - Buffer Tubes N/A 18 N/A 8
Slack Storage Capacity - Stranded Fibers N/A 96+ N/A 96
Slack Storage Capacity - 12 Fiber Ribbons1 N/A 144 N/A 24
Splice Capacity2 N/A 36 48 72 NT N/A 12 16 24 NT
No. of Trays N/A 0 01
External Grounding N/A Ground lug(s) provided None
Cable Seal Type N/A Tubular Sleeve Wraparound Sleeve
Note N/A Use Tall Basket for 864 fiber cable and above. N/A
  • 1 Varies with splice type. Capacity shown is for most commonly used mechanical splices.
  • 2 Capacity of each splice tray: B4 closure options are 12, 16 or 24 D5 closure options are 36, 48 or 72. “NT” indicates no trays