Tratos Products - Cable Manufacturer

Def Stan 02-526 (Defence Standard) covers the manufacture and testing requirements of rubber insulated Limited Fire Hazard (LFH) sheathed cables for power, lighting, control and communication and instrumentation circuits used for General Wiring in HM Surface Ships and Submarines.

Def Stan 02-526 cables incorporate dual extrusion insulation, a halogen free inner layer and a Limited Fire Hazard (LFH) Def Stan 61-12 Part 31 outer layer.

Unless otherwise specified in the Standard these cables are rated at 440 V (rms sinusoidal) between cores and earth/screens and are suitable for use on systems in which the frequency of supply is up to and including 400 Hz.

These cables are designed for use in applications where fuel and lubricating oils, hydraulic fluids and water are present, the materials from which they are constructed make them suitable for use within the temperature range -30° to +105°C. The maximum continuous conductor temperature normally assigned is 90°C. The lower temperature limit refers to weather deck applications under ‘arctic’ conditions and the maximum continuous conductor temperature limit to the combination of ambient temperature and temperature rise due to maximum current flow. The special insulation and sheathing materials are designed to have a service life exceeding 40,000 hours at the maximum continuous conductor temperature before deterioration, as a direct result of thermal ageing, requires cable replacement.

Cables are also designed to withstand the conditions of reeving, temporary support and glanding into equipment and through bulkheads, which are accepted practices in the shipbuilding and ship refitting industry.

Each individual cable has a unique NATO Stock Number, or National Stock Number (NSN) as it is known in the United States of America (USA). The Nato Stock Number (NSN) for these types of cables are detailed in DEF STAN 02-526, Annex C.


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