MTB1 Fire Resistant Double Braided SHF1

Up to 72 cores, double layer braid armour SHF1, Fire Resistant & Fire Retardant
MTB1, 19.10.2015/AP rev.1


Print or Download PDF






Store at : -30 to +70 °C
Install at : – 5 to +50 °CBend minimum : 25 times O.D.
Operate at : -40 to +70 °CBend minimum : 20 times O.D.
Pull maximum : 3000N
Crush maximum : 1500N/100mm
Impact maximum : 10J
Cable nominal weight : 350 kg/km




Bare fiber : 250µm
Buffer : Loose tube (Ø1.9mm) filled with jelly, housing up to 12 fibers
Colour code : See table
Fire protection : A fire barrier is applied over every single tube housing fibers
Central member : Thermoplastic resin coated single strand
Cable core : Loose tubes and fillers (when necessary) assembled around the central member. The core is wrapped by a synthetic tape.
Inner sheath : Black LSZH material 1.0mm thick. Nominal diameter 9.0mm.
Armour : Double layer of galvanized steel, tinned copper or bronze wires separated by a synthetic tape. Coverage ≥80%.
Outer jacket : Black LSZH SHF1 material 1.5mm thick. Nominal outer diameter 14.5mm.
Marking : APS Finland ww/mm – Fiber Optic Cable MTB1 “fiber count and type” – SHF1 IEC60331-25 IEC60332-3-22 Cat A – lot + meter



Environmental properties and Fire Performances

Degree of acidity of gases : IEC 60754-1, IEC 60754-2 (pH value ≥ 4,3 and Conductivity ≤10µS/mm)
Halogen acid gas : IEC 60754-1, IEC 60754-2 (Halogen acid gas emission ≤ 0.5%)
Smoke Emission : IEC 61034-2, EN 50268-2 (Transmittance) ≥ 60%)
Toxicity of evolved gas : EN 50305 9.2
Flame retardant : IEC 60332-1-2
Fire retardant : IEC 60332-3-22 Cat.A
Fire resistant : IEC 60331-25
Oil resistant : intermittent splash – permanent resistance available upon request
Water penetration: IEC 60794-1-2-F5-B (loose tubes)
Water absorption: IEC60811-402 (70°C, 240hrs, increase of weight <7.5mg/cm²)

UV resistant : IEC60811-2-1, ASTM-D-2565-92A



Colour code of fibers

  01. 02. 03. 04. 05. 06. 07. 08. 09. 10. 11. 12. 
Natural Red Green Yellow Brown Blue Violet Orange Grey White Black Pink 



Colour code of tubes

  Tube 4-12 fibers 24 fibers 36 fibers 48 fibers 72 fibers 
Red (4-12 fibers) Red (12 fibers) Red (12 fibers) Red (12 fibers) Red (12 fibers) 
Filler Green (12 fibers) Green (12 fibers) Green (12 fibers) Green (12 fibers) 
Filler Filler Natural (12 fibers) Natural (12 fibers) Natural (12 fibers) 
Filler Filler Filler Natural (12 fibers) Natural (12 fibers) 
Filler Filler Filler Filler Natural (12 fibers) 
Filler Filler Filler Filler Natural (12 fibers) 


Ordering and delivery information

  Fiber count SM OM1 OM1+ OM2 OM3 OM4 Packaging 
MTB104S2 MTB104M1 MTB104ME MTB104M2 MTB104M3 MTB104M4 drum 2000m (+/-5%) 
MTB108S2 MTB108M1 MTB108ME MTB108M2 MTB108M3 MTB108M4 drum 2000m (+/-5%) 
12 MTB112S2 MTB112M1 MTB112ME MTB112M2 MTB112M3 MTB112M4 drum 2000m (+/-5%) 
24 MTB124S2 MTB124M1 MTB124ME MTB124M2 MTB124M3 MTB124M4 drum 2000m (+/-5%) 
36 MTB136S2 MTB136M1 MTB136ME MTB136M2 MTB136M3 MTB136M4 drum 2000m (+/-5%) 
48 MTB148S2 MTB148M1 MTB148ME MTB148M2 MTB148M3 MTB148M4 drum 2000m (+/-5%) 
72 MTB172S2 MTB172M1 MTB172ME MTB172M2 MTB172M3 MTB172M4 drum 2000m (+/-5%) 

For an armour different than Galvanized Steel add “B” for bronze braid or “T” for tinned copper braid at the end of the P/N.


Other standards of reference

IEC 60092-370Electrical installations in ships: Guidance on the selection of cables for telecommunication and data.
DNV TAP 827.50/1Type Approval Program - Optical Fibre Cables
ABS SVRRules for building and classing. Steel Vessels.
ABS SMRRules for building and classing. Steel vessels under 90 meters.
IEC 60793General specifications for both multimode and single-mode optical fibres
IEC 60794general specifications for optical fibres cables






Every effort has been put so that this document is most reliable and free from errors. However, AP Solutions Oy cannot be considered responsible for any mistake in this document and users should consult AP Solutions Oy for any information needed. AP Solutions Oy reserves the right to make changes to the documents at any time, without prior notice.