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MGM 115 TYPE 7

APPLICATION

Used for supplying excavating, crushing machines and equipment.

Certificates
Technical Information

CONDUCTOR : Electrolytic, stranded, tinned copper wire IEC 60228 Class 5
INSULATION : EPR (Ground core is not insulated)
SEPERATOR : Colored Textile tape for core identification.
SCREEN : Tinned copper / Nylon braided screen over phase cores. Pilot core is not screened.
LAYUP : All cores are laid up in contact with the bare copper earth conductor.
BEDDING : Rubber based bedding compound.
OUTER SHEATH : Heavy duty chloroprene outer sheath.

RELATED STANDARDS : MGM 115/1985
RATED VOLTAGE : 660/1100 V
TEST VOLTAGE : 2,5 kV

Cross Section 3×16+16+16 3×25+16+16 3×35+18+16 3×50+25+25 3×70+35+35 3×95+50+50 3×120+50+70
Phase Conductor
Number and cross section mm2 3×16 3×25 3×35 3×50 3×70 3×95 3×120
Insulation thickness mm 1.5 1.6 1.6 1.7 1.8 2.0 2.4
Earth Conductor
Number and cross section mm2 1×16 1×16 1×18 1×25 1×35 1×50 1×50
Stranding mm 126/0,40 126/0,40 147/0,40 196/0,40 276/0,40 396/0,40 396/0,40
Conductor diameter Nom. mm 5.50 5.50 6.00 6.75 8.00 9.75 9.75
Pilot Conductor
Number and cross section mm2 1×16 1×16 1×16 1×25 1×35 1×50 1×70
Stranding mm 126/0,40 126/0,40 126/0,40 196/0,40 276/0,40 396/0,40 360/0,50
Conductor diameter Nom. mm 5.50 5.50 5.50 6.75 8.00 9.75 11.60
Insulation thickness mm 1.5 1.5 1.5 1.6 1.6 1.7 1.7
Cable details
Min. overall diameter mm 35.8 39.7 43.1 48.5 55.1 62.4 68.0
Max. overall diameter mm 40.6 44.9 47.3 53.8 60.8 68.1 78.0
Min. bending radius mm 366 405 426 485 548 613 702
Max. pulling tension kgf 480 642 834 1.2 1.68 2 2
Appx. cable weight kg/km 2.4 2.95 3.52 4.6 6.2 7.9 9.65
Copper weight kg/km 1.07 1.33 1.69 2.32 3.19 4.3 5.1
Electrical details
“Continuous current
rating at 25°C Ambient”
A 85 110 135 170 205 250 295
“Intermittent current
rating at 25°C Ambient”
A 96 125 150 200 250 310 355
Max. DC resistance at 20°C
Phase Conductor Ω /km 1.24 0.795 0.565 0.393 0.277 0.21 0.164
Pilot Conductor Ω /km 1.24 1.24 1.24 0.795 0.565 0.393 0.277
3 screens and earth
in parallel connection
Ω /km 0.7 0.6 0.6 0.5 0.34 0.28 0.26
Nom. reactance at 50Hz Ω /km 0.109 0.107 0.101 0.098 0.095 0.094 0.092
Nom. reactance at 60Hz Ω /km 0.131 0.128 0.121 0.118 0.114 0.113 0.11
Min. insulation
resistance at 20°C
M Ω /km 435 375 325 285 0.26 0.25 250
3 phase voltage drop on
full load current
mV/A/m 2.62 1.68 1.2 0.84 0.61 0.47 0.38

 

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