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Fiber Optics

Central Loose Tube Cables

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In loose tube cables, the coated fiber "floats" within a rugged, abrasion resistant, oversized tube which is filled with optical gel. Since the tube does not have direct contact with the fiber, any cable material expansion or contraction will not cause stress on the fiber. Much of the external stress placed on the tube also will not be transferred to the fiber.




The non-hygroscopic gel prevents water from entering the tube. The loose tube cables are proven the best solution for harsh environment conditions in the outdoors.

Central Loose Tube Cables

The Central Loose tube designs are the economical option for low fiber counts (up to 24 fibers). The cable design offers a smaller overall dimension and ensures a more efficient use of conduit space than typical loose tube. The central tube minimizes the amount of labor and material required to install the cable. The number of breakout kits can be reduced by 50%, saving time, money and space.

Central Loose Tube, LSNH jacket

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Central Loose Tube. Universal (LSNH jacket)
IEC 60332-1 IEC 60332-3-25
up to 24 fibers up to 24 fibers up to 12 fibers
Pulling tension
(installation)
P/N Diameter P/N Diameter P/N Diameter
1500N GUSN 5.8 GUSL 5.8
3280N GURA 7.1
3500N GURN 7.1
4220N GUSB 8.7
5000N GUVN 7.8
8440N GURB 10.2

Central Loose Tube. Universal (TPU jacket)
up to 24 fibers
Pulling tension
(installation)
P/N Diameter
1500N GMSN 5.8
5000N GMVN 7.8

Central Loose Tube. Universal (LSNH jacket) Steel Wire Braid
IEC 60332-1
up to 24 fibers
Pulling tension
(installation)
P/N Diameter
1500N GUHN 9.6

Central Loose Tube. Universal (LSNH jacket) Steel Wire Armouring
IEC 60332-1 IEC 60332-3-25
up to 24 fibers up to 24 fibers up to 12 fibers
Pulling tension
(installation)
P/N Diameter P/N Diameter P/N Diameter
1500N GUWN 9.6 GUWA 10.7
4220N GUWB 13.8

Central Loose Tube. Universal (LSNH jacket)
Corrugated Steel Tape Armouring
IEC 60332-3-22 and
IEC 60331-25
Single jacket Double jacket
up to 24 fibers up to 24 fibers
Pulling tension
(installation)
P/N Diameter P/N Diameter
1500N GUCN 9.0 GUDN 11.0
4220N GUCB 10.6 GUDB 13.0

Central Loose Tube. Universal (LSNH Jacket)
Corrugated Steel Tape Armouring and Termite Protection.
IEC 60332-3-22 and
IEC 60331-25
up to 24 fibers
Pulling tension
(installation)
P/N Diameter
4220 GUKB 13,6

Central Loose Tube. Universal (LSNH jacket)
FRP Armouring
IEC 60332-1 IEC 60332-3-25
up to 24 fibers up to 24 fibers
Pulling tension
(installation)
P/N Diameter P/N Diameter
4000N GUFN 7.4
8000N GUFB 9.0

Central Loose Tube, PE Jacket

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Central Loose Tube. Outdoor (PE jacket)
up to 24 fibers up to 12 fibers
Pulling tension
(installation)
P/N Diameter P/N Diameter
1500N GOSN 5.8
3280N GORA 7.1
3500N GORN 7.1
4220N GOSB 8.7
5000N GOVN 7.8
8440N GORB 10.2


Central Loose Tube. Outdoor (PE jacket) Steel Wire Braid
up to 24 fibers
Pulling tension
(installation)
P/N Diameter
1500N GOHN 9.6

Central Loose Tube. Outdoor (PE jacket) Steel Wire Armouring
up to 24 fibers
Pulling tension
(installation)
P/N Diameter
1500N GOWN 9.6
4220N GOWB 13.8

Central Loose Tube. Outdoor (PE jacket) Corrugated Steel Tape Armouring
Single jacket Double jacket
up to 24 fibers up to 24 fibers
Pulling tension
(installation)
P/N Diameter P/N Diameter
1500N GOCN 9.0 GODN 11.0
4220N GOCB 10.6 GODB 13.0

Central Loose Tube. Outdoor (PE jacket) FRP Armouring
up to 24 fibers
Pulling tension
(installation)
P/N Diameter
4000N GOFN 7.4
8000N GOFB 9.0

Central Loose Tube. Outdoor (PE + PA jacket) FRP Armouring. Termite protection.
up to 24 fibers
Pulling tension
(installation)
P/N Diameter
8000N GOUB 10

For more detailed information on our Fiber Optic cables, e-mail us at or call +31 77 3878555.