Type 61A 0.64/1.1kV Flexible Copper Screened Mining Cable, Mining Trailing & Rolling cable&Crane cable

OVERVIEW

SPECIFICATIONS

CONSTRUCTION

PARAMETER

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overview

Electrically driven machines , movable electric apparatus in hazardous areas .Not for reeling purposes.
Other industrial applications .

FEATURES:

Excellent flexibility
Water resistant and flame retardant Operating temperature min. ambient temp . -25 0C , max. conductor temp. 900C.
UV ,sunlight , ozone ,oil, resistant
Embossing marking as per order.

Specifications

Low Voltage

UV Resistance

Working Temperature 90℃

Cold Resistant -40℃

construction

Cable type:

Type 61A 0.64/1.1 kV

Conductors:

Flexible class 5 comply to SANS 1411 - 1 from tinned annealed copper wires left lay with semi-conducting rubber screen .

Insulation:

Ethylene propylene thermosetting compound type RD 3 comply to SANS 1411-3 and a strippable semi-conducting core screen (triple extruded)

Core of cable:

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 (only16 mm2 around rubber (RD1) filler centre ) .

Inner sheath:

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

Re-enforcement:

An open nylon braid . Minimum 16 of nylon strings .

Outer sheath:

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

Colour of sheath:

Black .

Tests:

SANS 1520-1.

parameter

Type 61A 0.64/1.1kV Mining Cable

Physical Properties
Power cores
Conductor sizes (mm2)	16	25	35	50	70	95		120		150
Maximum wire diameter ( mm)	0.41	0.41	0.41	0.51	0.51	0.51		0.51		0.51
Approx. conductor diameter ( mm)	5.3	6.8	8.5	10.3	11.9	13.5		15.5		17.3
Maximum screen wire diameter (mm)	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
Approx. summarized screen cross-section for power cores (weighing method) (mm2)	22	25	27	32	37	43		47		52
Pilot cores
Conductor sizes ( mm2)	10	10	16	16	16	16		16		16
Maximum wire diameter ( mm)	0.41	0.41	0.41	0.41	0.41	0.41		0.41		0.41
Approx. conductor diameter ( mm)	4.2	4.2	5.3	5.3	5.3	5.3		5.3		5.3
Lay Ratio (maximum) (x PCD)	8	8	8	8	8	8		8		8
Cable diameter
Approx. (mm)	31	38	43	47	52	58	63		70
Cable mass (approx.) (kg/m)	1.8	3.1	3.6	4.5	5.6	7.0	8.4		10.2
Minimum bending radius (mm)	200	240	260	290	320	350	390		430
Maximum recommended tension (kN)	0.7	1.1	1.6	2.3	3.2	4.3	5.4		6.8

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