LTC JF MT SWA – underwater cable. Loose tube cable with armoring of galvanized steel wires for excellent resistance against crush, impact and tensile forces and heavily protected against water ingress, by means of cable jelly filling, swellable tapes and aluminium tape. This cable is suitable to be installed in freshwater for a water-depth of max. 50m. Installation: in sewer systems, water pressurized tunnels, lake and river crossings.




Product characteristics
Optical fibre standard ITU-T G.657.A1
Colour outer sheath Black
Material outer sheath HDPE
Optical element Loose tube, gel filled
Strip method 1 Rip cord
Fibre type Single mode 9/125
Cable type LTC
Strain relief Yes
Application Outside
Test procedures EN IEC 60794-1-2
Optical specification
Attenuation @ 1310 nm 0.35 dB/km
Attenuation @ 1550 nm 0.22 dB/km
Attenuation @ 1625 nm 0.25 dB/km
Environmental specification
Operational temperature range Ta1 - Tb1 -40/70 °C
Max. attenuation increase during Ta1 - Tb1 0.05 dB
Longitudinal watertight construction Jelly
Transportation and storage temperature -40/70 °C
Longitudinal water blocking Yes
Radial water blocking Yes
UV resistant Yes
Radial watertight construction Al/PE
Installation temperature -5/50 °C
Rodent resistant Yes
Other specification
Standardization EN IEC 60794-3

Product Info

Fibre Standard
Cable construction and colour code

Availability: In stock

Article numberDescriptionOuter diameter approx.Weight (kg)Bending radius after installationBending radius during installationTensile load short term (Tm)Tensile load Long Term (Tl) Compare
78140 12x SM G.657.A1 (3x4) 0.484
78142 24x SM G.657.A1 (6x4) 17,2 mm 0.489 250 mm 330 mm 4000 N 2500 N
78136 48x SM G.657.A1 (6x8) 17,9 mm 0.508 255 mm 340 mm 5000 N 3500 N
78143 72x SM G.657.A1 (6x12) 17,9 mm 0.511 270 mm 360 mm 5000 N 3500 N
78137 96x SM G.657.A1 (8x12) 20,2 mm 0.614 290 mm 390 mm 6000 N 4000 N
78144 144x SM G.657.A1 (12x12) 23,7 mm 0.727 360 mm 480 mm 6000 N 4000 N
78145 192x SM G.657.A1 (8x24) 21,1 mm 0.667 315 mm 420 mm 5000 N 2500 N



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