Type 63 Flexible Copper Screened Mining Cable, Mining Trailing & Rolling cable&Crane cable

OVERVIEW

SPECIFICATIONS

CONSTRUCTION

PARAMETER

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Applications

Electrically driven machines, movable electric apparatus in hazardous areas. Stackers, shearers, conveyor systems. Suitable for reeling purposes Other industrial applications.

STANDARDS:

SANS 1520-2

CHARACTERISTICS:

Excellent ﬂexibility
Abrasion, tear resistant and ﬂame retardant
Temperature range: minimum ambient temperature is -25℃. Maximum conductor temperature is +90℃.
UV, sunlight, ozone and oil resistant

Specifications

Cold Resistant -25℃

UV Resistance

Working Temperature 90℃

Oil Resistance

Flame Retardant

construction

Conductor:

Flexible class 5 comply to SANS 1411-1 from tinned annealed copper wires left lay

Insulation:

Ethylene propylene thermosetting compound type RD 3 comply to SANS 1411-3

Insulation screen:

The braid of tinned copper wires

Cable assembly:

Three tinned copper braided screened power cores and three unscreened pilot cores one in each interstice laid up in the right hand lay around semi-conductive cradle centre

Internal sheath:

Poly-chloroprene thermosetting compound type RS 6 comply to SANS 1411-3

Reinforcing braid:

An open nylon braid. Minimum 16 of nylon strings

Outer sheath:

Poly-chloroprene thermosetting compound type RS 6 comply to SANS 1411-3. Inner and outer sheath are bonded to provide proper torsional protection, black

Physical properties

As per Table 1

Electrical properties

As per Table 2

parameter

Physical Properties

Electrical Properties

Physical properties
Power cores
Conductor sizes (mm2)	25	35	50*	70	95	120	150	185	240
Maximum wire diameter (mm)	0.41	0.41	0.41	0.51	0.51	0.51	0.51	0.51	0.51
Approximate conductor diameter (mm)	6.8	8.5	10.3	11.9	13.5	15.5	17.3	20.2	22.9
Maximum screen wire diameter (mm)	0.31	0.31	0.31	0.31	0.31	0.31	0.31	0.31	0.31
Braided screen filling factor (%)	80	80	80	80	80	80	80	80	80
Approximate summarized screen cross-section for power cores - weighing method (mm2)	31	33	38	42	47	50	55	60	64
Pilot cores
Conductor sizes (mm2)	10	10	10	16	16	16	25	25	25
Maximum wire diameter (mm)	0.41	0.41	0.41	0.41	0.41	0.41	0.41	0.41	0.41
Approximate conductor diameter (mm)	4.2	4.2	5.3	5.3	5.3	5.3	6.8	6.8	6.8
Lay ratio (maximum) (x PCD)	8	8	8	8	8	8	8	8	8
Cable diameter
Approximately (mm)	44	48	50.5	56	61	63	66	72	78
Cable mass - approximately (kg/m)	3.6	4.2	4.2	6.4	7.7	8.5	10.5	11.4	14.0
Minimum bending radius (mm)	280	290	310	350	370	380	400	440	480
Maximum recommended tension (kN)	1.1	1.6	2.3	3.2	4.3	5.4	6.8	8.3	10.8

Electrical properties
Power cores
Maximum cond. DC resistance at 200C (Ω/km)	0.859	0.610	0.424	0.299	0.227	0.177	0.143	0.117	0.0882
Maximum cond. DC resistance at 900C (Ω/km)	1.10	0.778	0.542	0.382	0.290	0.227	0.183	0.150	0.115
Reactance (Ω/km)	0.122	0.113	0.107	0.103	0.090	0.088	0.085	0.084	0.083
Impedance (Z) at 900C (Ω/km)	1.11	0.786	0.552	0.396	0.304	0.243	0.202	0.172	0.142
Sustained current rating at 300C ambient
Laid out straight (A)	130	160	200	245	295	345	390	440	520
Short circuit rating
Symmetrical fault current (kA for 1 sec)	3.1	4.3	6.1	8.5	11.6	14.6	18.3	23	29
Earth fault current - screens (kA for 1 sec)	1.6	2.1	3.1	3.5	4.1	4.1	4.1	4.1	4.1

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