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MGM 112 TYPE 321

APPLICATION

Used far supplying excavating, crushing machines and equipment.

Certificates
Technical Information

CONDUCTOR : Electrolytic, stranded, tinned copper wire IEC 60228 Class 5
INSULATION : EPR
LAYUP : Cores are /aid up over a crad/e without contacting each other.
BEDDING : Rub ber based bedding compound.
ARMOUR : Galvanized stee/ pliab/e armour.
OUTER SHEATH : Heavy duty chloroprene outer sheath.

RELATED STANDARDS : MGM112/1984
RATED VOLTAGE : 1900/3300 V
TEST VOLTAGE : 7,5 kV

Cross Section 3×35+25 3×50+25 3×50+35 3×70+50 3×95+70 3×120+70
Phase Conductors
Number and cross section mm2 3×35 3×50 3×50 3×70 3×95 3×120
lnsulation thickness mm 3.0 3.0 3.0 3.0 3.0 3.0
Earth Conductor
Number and cross section mm2 1×25 1×25 1×35 1×50 1×70 1×70
Stranding mm 196/0,40 196/0,40 276/0,40 396/0,40 360/0,50 360/0,50
Conductor diameter Nam.mm 6.75 6.75 8.00 9.75 11.90 11.90
lnsulation thickness mm 3.8 5.0 4.4 4.5 4.6 4.9
Cable details
Radial thickness of inner sheath mm 2.5 3.8 3.8 3.8 5.0 5.0
Min. inner sheath diameter mm 44.3 51.3 51.3 56.4 63.8 67.5
Max. inner sheath diameter mm 46.8 53.3 53.3 59.4 66.8 71.3
Size of armour mm 7/0,90 7/0,90 7/0,90 7/0,90 7/1,25 7/1,25
Radial thickness of outer sheath mm 5.3 5.4 5.4 6.3 6.8 7.2
Min. overall diameter mm 60.3 66.9 66.9 74.4 84.9 89.4
Max. overall diameter mm 64.1 70.9 70.9 78.4 89.2 93.7
Min. bending radius mm 770 851 851 941 1,071 1,125
Appx. cable weight kg/km 7,050 8,750 8,900 10,200 15,950 18,700
Copper weight kg/km 1,250 1,680 1,780 3,570 4,160 5,950
Electrical details
“Continuous current rating at 25°C Ambient” A 135 170 170 205 250 295
Max. DC resistance at 20°C
Phase conductors Ω/km 0.565 0.393 0.393 0.277 0.210 0.164
Earth conductor Ω/km 0.795 0.795 0.565 0.393 0.277 0.277
Armour Ω/km 0.92 0.79 0.79 0.50 0.38 0.30

 

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