def stan 61-12 (part 25) specification .cables manufactured and approved to def stan 61-12 (part 25)...

Download Def Stan 61-12 (Part 25) Specification .Cables manufactured and approved to Def Stan 61-12 (Part 25) use component wires and cable jackets approved to specifications which independently

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  • For more information: www.is-rayfast.com uksales@is-rayfast.com

    IS-Rayfast have worked closely with suppliers and customers, to bring

    you a comprehensive portfolio of high performance interconnect

    systems, designed for todays modern range of warships and submarines.

    CABLE..it

    Zerohal Marine Cables

    The cables in this guide are manufactured and approved to UK Defence Standard 61-

    12 (Part 25). These cables have been widely adopted as the basis for lightweight

    Limited Fire Hazard (LFH) cables by the UK Navy and many other Navies worldwide.

    Limited Fire Hazard Cables are designed to minimise the risk associated with the

    generation of smoke and noxious/corrosive fumes during fire.

    Def Stan 61-12 (Part 25) Specification Summary

    Cables manufactured and approved to Def Stan 61-12 (Part 25) use component wires

    and cable jackets approved to specifications which independently impose

    performance limits on the generation of smoke and fumes in fire.

    Def Stan61-12 (Part 25) cables employ;

    Component wires approved to Defence Standard 61-12 (Part 18). Within this

    specification, wires are categorised as Type 1, pliable or Type 2, non-pliable. TE

    Connectivity component wires, 99M0111 are Type 1, pliable wires.

    Jacket material approved to Def Stan 61-12 (part 31) (Limited Fire Hazard

    Sheathing for Electric Cables). TE Connectivity Zerohal jacket material is fully

    approved to this specification.

    Def Stan 61-12 (Part 25) details a number of specific cable constructions. Alternative

    cable constructions utilising optional component layout or specialised shielding are

    available on request. Alternative constructions use approved wires and jackets and

    will meet the full performance requirements of Def Stan 61-12 (Part 25).

    For further details on cables call our Technical Support Line

    +44(0) 1793 439183

    Other Low Fire Hazard Specification Approvals

    MSV 34411, 34412, 34430, 34435, 34436 (Netherlands)

    Mil-C-24640, PMS 400 (USA)

    Zerohal Marine Cables

    Suppliers to the Naval & Defence Market

  • export@is-rayfast.com Tel: +44(0) 1793 616700

    Suporting information on cable construction

    The component wires are approved to Def Stan 61-12 (Part 18), Type 1.

    The actual cross sectional area is per Def Stan 61-12 (Part 18). Above, cross sectional areas are nominal

    to match nominal sections referenced in Def Stan 61-12 (Part 25).

    Cable temperature range -30oC to +105oC

    Unless otherwise stated, dimensions and values detailed in this document are nominal.

    Colour Coding for Def Stan 61-12 (Part 25) cables

    Multicore Cables - Tables 1(A) to 1(K):

    2 core - one Red & one Blue.

    3 core - one Red, one Blue & one White.

    Others - 2 adjacent marker cores - one Red (pilot core), one Blue (direction core),

    remainder all White in each cable layer.

    Where a single core is used in the centre of the cable, its colour shall be White.

    In addition, all cores in a multicore cable having four or more cores, shall be identified by means of

    numbers in a contrasting colour.

    Multipair Cables - Tables 1(L) to 1(M):

    For each layer the First pair has one core Black, one core Red (pilot pair).

    Second pair has one core Black, one core Blue (direction pair).

    All other pairs have one core Black, one core White.

    Where one pair is used in the centre, the colours shall be one core Black, one core White.

    Where the cable consists of one pair only, the colors shall be one core Red, one core Blue and not

    numbered.

    All pairs shall also be identified by means of numbers in a contrasting colour, starting from black

    numbered 1 of the first pair.

    Individually Screened and Wrapped Pairs - Tables 1(N) to 1(Q):

    Each pair shall have one core Red, one core Blue with an overall shield and double mylar wrap.

    Pairs shall be identified by means of numbering in black ink on outer mylar wrap.

    Multitriple Cables - Table 1(R):

    In multitriple cables, each triple shall have one core Red, one core Blue, one core White with the White

    core numbered sequentially in Black ink.

    Mains Colour Cables - Tables 1(S) to 1(Z):

    2 core - one Blue & one Brown.

    3 core - one Blue, one Brown & one Yellow/Green.

    Colour Identification

    The drawings overleaf show the colours of the cores in accordance with Mil-Std-681;

    0=Black - 1=Brown - 2=Red - 3=Orange - 4=Yellow - 5=Green

    6=Blue - 7=Violet - 8=Grey - 9=White

    45=Yellow/Green stripe

    Cable Sheath Marking

    Each cable sheath shall be marked with the relevant Nato Stock Number, the component

    wire conductor stranding, year of manufacture and manufacturers name in accordance

    with Def Stan 61-12 (Part 25).

    0.20 19/0.12 0.62 0.98 95.6 1500 99M0111-24

    Nominal cross

    sectional area

    mm2

    Conductor

    stranding

    no./dia. mm

    Maximum

    conductor dia

    mm

    Nominal

    finished wire dia

    mm

    Conductor

    resistance max

    @ 20oC /km

    Test

    voltage

    v rms

    Component

    Wire Part

    Number

    0.35 19/0.15 0.80 1.13 60.0 1500 99M0111-22

    0.60 19/0.20 1.04 1.40 33.2 1500 99M0111-20

    1.00 19/0.25 1.29 1.65 21.1 1500 99M0111-18

    1.50 19/0.30 1.53 1.90 14.5 1500 99M0111-16

    2.50 37/0.30 2.18 2.60 7.6 1500 99M0111-12

    Component Wires

    X

    X

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    XX

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    Introduction

    Multicore cables

    Multipair cables

    Screened cables

    Multitriple cables

  • For more information: www.is-rayfast.com uksales@is-rayfast.com

    Table 1(A) - Multicore cables - unscreened 0.2mm2

    Multicore CablesUnscreened

    62500A 891-9293 2 2 1.94 1.0 4.04 +- 0.10

    Part

    number

    EPD

    NATO stock

    number

    6145-99-

    Number

    of

    cores

    Core

    lay

    up

    Bundle

    O/D

    (mm)

    Minimum

    jacket thickness

    (mm)

    Finished

    cable O/D

    (mm)

    62501A 891-9874 3 3 2.10 1.0 4.20 +- 0.10

    62502A 891-9296 4 4 2.34 1.0 4.46 +- 0.12

    62503A 891-9875 7 1+6 2.91 1.0 5.03 +- 0.12

    62504A 891-9876 14 4+10 4.28 1.0 6.44 +- 0.16

    62505A 891-9877 24 2+8+14 5.82 1.1 8.22 +- 0.20

    21

    Nominal

    weight

    (kg/km)

    25

    29

    40

    66

    107

    62506A 891-9878 37 1+6+12+18 6.79 1.1 9.22 +- 0.23 148

    62507A 891-9879 44 2+8+14+20 7.76 1.1 10.22 +- 0.26 173

    Table 1(B) - Multicore cables - unscreened 0.35mm2

    62511A 891-9880 3 3 2.42 1.0 4.53 +- 0.11

    Part

    number

    EPD

    NATO stock

    number

    6145-99-

    Number

    of

    cores

    Core

    lay

    up

    Bundle

    O/D

    (mm)

    Minimum

    jacket thickness

    (mm)

    Finished

    cable O/D

    (mm)

    62512A 891-9881 7 1+6 3.36 1.0 5.50 +- 0.14

    62513A 891-9882 14 4+10 4.94 1.0 7.12 +- 0.18

    62514A 891-9883 19 1+6+12 5.60 1.0 7.79 +- 0.19

    62515A 891-9884 24 2+8+14 6.72 1.1 9.15 +- 0.23

    62516A 891-9885 37 1+6+12+18 7.84 1.1 10.30 +- 0.26

    31

    Nominal

    weight

    (kg/km)

    52

    91

    114

    147

    210

    62517A 891-9886 44 2+8+14+20 8.96 1.2 11.65 +- 0.29 249

    Table 1(C) - Multicore cables - unscreened 0.6mm2

    62521A 891-9310 2 2 2.80 1.0 4.93 +- 0.12

    Part

    number

    EPD

    NATO stock

    number

    6145-99-

    Number

    of

    cores

    Core

    lay

    up

    Bundle

    O/D

    (mm)

    Minimum

    jacket thickness

    (mm)

    Finished

    cable O/D

    (mm)

    62522A 891-9887 3 3 3.00 1.0 5.12 +- 0.12

    62523A 891-9313 4 4 3.37 1.0 5.50 +- 0.14

    62524A 891-9888 7 1+6 4.20 1.0 6.35 +- 0.15

    62525A 891-9889 14 4+10 6.20 1.1 8.61 +- 0.21

    62526A 891-9890 19 1+6+12 7.00 1.1 9.44 +- 0.23

    34

    Nominal

    weight

    (kg/km)

    42

    51

    76

    140

    179

    62527A 891-9891 24 2+8+14 8.40 1.1 10.85 +- 0.26 222

    62528A 891-9892 37 1+6+12+18 9.80 1.2 12.51 +- 0.31 328

    Example of EPD 62504A

    Unscreened 0.2mm2

    14 core, core lay up 4 + 10, Bundle diameter 4.28mm

    Minimum jacket thickness 1.0mm

    Finished cable diameter 6.44mm +- 0.16

    Nominal weight 66kg per km

  • export@is-rayfast.com Tel: +44(0) 1793 616700

    Table 1(D) - Multicore cables - unscreened 1.0mm2

    62532A 891-9893 2 2 3.40 1.0 6.00 +- 0.20

    Part

    number

    EPD

    NATO stock

    number

    6145-99-

    Number

    of

    cores

    Core

    lay

    up

    Bundle

    O/D

    (mm)

    Minimum

    jacket thickness

    (mm)

    Finished

    cable O/D

    (mm)

    62

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