Type 41 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. For small pumps, fans, drills 2.5 mm2. For shuttle cars 16 mm2. Types 16, 25 mm2 suitable for reeling.

Specifications

Low Voltage

UV Resistance

Working Temperature 90℃

Cold Resistant -40℃

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.

Core of cable:

Three tinned copper/nylon braid screened power cores and one unscreened pilot core laid up in the right hand lay 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.
Inner and outer sheath are bonded to provide proper torsional protection , black.

parameter

Table 1

Table 2

Power cores						Pilot cores
Power cores						Pilot cores
	Max. wire dia.	Approx. wire dia.	Max. screen wire dia.	Braided screen ﬁlling factor	Approx. summarized screen ﬁlling factor		Max. wire dia.	Approx. conductor dia.	Lay ratio	Approx. cable dia.	Cable mass	Min. bending radius	Max. recommended tension
	Max. wire dia.	Approx. wire dia.	Max. screen wire dia.	Braided screen ﬁlling factor	Approx. summarized screen ﬁlling factor		Max. wire dia.	Approx. conductor dia.
mm2	mm	mm	mm	%	mm2	mm2	mm	mm	x PCD	mm	kg/km	mm	kN
2.5	0.26	2.1	0.21	80	8	2.5	0.26	2.1	8	20	0.712	120	0.15
4	0.31	2.7	0.21	80	9.5	4	0.31	2.7	8	25	0.902	150	0.24
6	0.31	3.3	0.21	80	10.4	6	0.31	3.3	8	26	1.103	160	0.36
10	0.41	4.2	0.31	80	19	10	0.41	4.2	8	29	1.563	180	0.6
16	0.41	5.3	0.31	80	22	16	0.41	5.3	8	33	2.105	200	0.95
25	0.41	6.8	0.31	80	25	16	0.41	5.3	8	39	2.705	240	1.1

Power cores				Current rating at 300C ambient				Short circuit rating
Max. conductor DC resistance at 200C	Max. conductor DC resistance at 900C								Earth fault current (screens)
		Reactance	Impedence	Laid out straight	1 layer on drum	2 layers on drum	3 layers on drum	Symmetrical fault current
			(Z) at 300C
Ω/km	Ω/km	Ω/km	Ω/km	A	A	A	A	kA for 1s	kA for 1s
5.5	7.01	0.123	7.01	45	38	29	20	0.49	0.5
3.66	4.67	0.115	4.67	57	48	37	25	0.73	0.7
2.11	2.69	0.108	2.69	77	65	50	34	1.2	0.6
1.34	1.71	0.103	1.71	100	85	65	45	2	1
0.859	1.1	0.1	1.1	130	110	84	58	3.1	1.6

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