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MODUK - DEF STAN 61-12: PART 4

WIRES, CORDS AND CABLES, ELECTRICAL PART 4: CABLES, SPECIAL PURPOSE, ELECTRICAL (SUB-MINIATURE ELECTRIC CABLES)

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Organization: MODUK
Publication Date: 19 December 2005
Status: active
Page Count: 24
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The cores of the cables specified are insulated with PVC and are suitable for operation as follows:

Cores with 7/0.1 mm conductors, voltages up to 250 V r.m.s. at frequencies up to 1.6 kHz.

Cores with 7/0.2 mm conductors, voltages up to 440 V r.m.s. at frequencies up to 1.6 kHz.

Current carrying capacities for the cables are not given owing to the varied conditions of loading and construction. However, for guidance, where a single core of a multi-core cable is loaded, the current in a 7/0.1 mm conductor should not exceed 250 mA, in a 7/0.2 mm conductor the current should not exceed 1A.

The recommended maximum (conductor) operating temperature for the cables in Tables 7, 8 and 9 is 70ºC but they may be operated at slightly higher temperatures for short periods. No definite limit can be given for low temperature because conditions of use are varied and include, for example, the rate of bending, the radius of bending and the length of time the cable is exposed to the low temperature. PVC compounds become increasingly stiff and brittle as their temperature decreases, with the result that if the cable is bent too sharply at temperatures lower than about 0ºC there is risk of shattering the PVC.

Although the insulation and jacket of the cables are tested in a specified manner at temperatures down to -15ºC and -30ºC respectively and although in storage and when once installed (but not subjected to flexing or severe vibration) the cables can withstand temperatures as low as -55ºC, it is recommended that they should not be bent in handling unless cable and ambient temperatures are above 0ºC and have been so far the previous 24 hours, or unless special precautions have been taken to maintain the cable above this temperature.

Document History

DEF STAN 61-12: PART 4
December 19, 2005
WIRES, CORDS AND CABLES, ELECTRICAL PART 4: CABLES, SPECIAL PURPOSE, ELECTRICAL (SUB-MINIATURE ELECTRIC CABLES)
The cores of the cables specified are insulated with PVC and are suitable for operation as follows: Cores with 7/0.1 mm conductors, voltages up to 250 V r.m.s. at frequencies up to 1.6 kHz. Cores...
December 19, 2005
Wires, Cords and Cables, Electrical Part 4: Cables, Special Purpose, Electrical (Sub-Miniature Electric Cables)
The cores of the cables specified are insulated with PVC and are suitable for operation as follows: Cores with 7/0.1 mm conductors, voltages up to 250 V r.m.s. at frequencies up to 1.6 kHz. Cores...
September 7, 1981
Wires, Cords, and Cables, Electrical-Metric Units Part 4: Cables, Special Purpose, Electrical (Sub-Miniature Electric Cables)
The cores of the cables specified by this Standard are insulated with PVC and are suitable for operation as follows: Cores with 7/0.1 mm conductors, voltages up to 250 V rms at frequencies up to 1.6...

References

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