BS7917 Instrumentation

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Our high-quality, elastomer insulated, fire-resistant Instrumentation cables are designed to meet BS7917 for fixed wiring in marine environments. These cables ensure limited circuit integrity even in the event of a fire, surpassing the requirements of BS6883. These cables offer comprehensive coverage for marine applications, providing safety and reliability in instrumentation circuits. The commitment to promoting fire resistance aligns with the core objectives of BS7917, guaranteeing superior protection in critical situations.

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Our high-quality, elastomer insulated, fire-resistant Instrumentation cables are designed to meet BS7917 for fixed wiring in marine environments. These cables ensure limited circuit integrity even in the event of a fire, surpassing the requirements of BS6883. These cables offer comprehensive coverage for marine applications, providing safety and reliability in instrumentation circuits. The commitment to promoting fire resistance aligns with the core objectives of BS7917, guaranteeing superior protection in critical situations.

Conductor

Tinned Copper

Stranding

Class 2

Insulation

EPR

Armour

Galvanised Steel Wire Braid

Outersheath

HFFR (Halogen Free Flame Retardant)

Colour

Black, Blue, Grey

Voltage

250V

Identification

Pairs: black, white and numbered

Temperature

90°C

Standards

BS 7917, IEC/EN 60331-1/2

ELECTRICAL CHARACTERISTICS

Nominal Cross Sectional Area mm2 Maximum insulation resistance at 20°C Amps Inductance Capaitance pf/m L/R Ratio at 1kHz µh/ohms
0.75 930 0.75 130 25
1 827 0.73 140 25
1.5 729 0.68 160 40

CONDUCTORS

Nominal Cross Sectional Area mm2 Maximum Diameter of wires in conductor mm Maximum Resistance of conductor at 20°C ohms/km Metal-coated Wires
0.5 0.21 26.7
0.75 0.21 20
1 0.26 13.7
1.5 0.26 8.21

DIMENSIONS

BATT Part No Cores Nominal Cross Sectional Area mm2 Screen Type Approx overall diameter Weight
67715 1 Pair 1.5 CAM 14.5 318
67486 1 Pair 2.5 CAM 15.1 334
67712 1 Triple 1.5 CAM 15.1 329
67149 2 Pair 1.5 CAM 20.7 558
67700 2 Pair 1.5 IAM/CAM 21.2 616
67583 2 Pair 2.5 CAM 21 585
67313 3 Pair 1.5 IAM/CAM  22.5 579
67779 5 Pair 1.5 CAM 26 899
67746 7 Pair 1.5 CAM 24 951
67056 10 Pair 1.5 CAM 34.5 1482
68444 7 Triples 1.5 IAM/CAM 30.5 1430
Batt Part No. Core Size Screen Type Colour/Reference
10111 1 Pair 1.5 CAM Black
67664 1 Pair 0.75 CAM Blue
67665 1 Pair 0.75 CAM Grey
67593 1 Pair 1 IAM Blue
67594 1 Pair 1 CAM Grey
67639 1 Triple 1 CAM Grey
67587 1 Quad 0.75 CAM Grey
67380 7 Pair 0.75 IAM Blue
67589 7 Pair 0.75 CAM Grey
67637 7 Triple 0.75 IAM Blue
67590 12 Pair 0.75 CAM Grey
67381 24 Pair 0.75 CAM Blue

The information in this datasheet is for guidance only and subject to change without liability. Images provided are representations; actual cable dimensions may vary due to manufacturing tolerances.

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