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ISO9001 : 2000Reg. No. : AR1757

V

I

Z

Nom. Cross Sectional Area

for Cu.

Cu. Conductor

Current Rating

Voltage Drop Cu. Conductor

Voltage Drop Al. Conductor

Equivalent Current Rating

of Al. Conductor

Nom. Cross Sectional

Area for Al.

mm2 (A) mV/A/m mV/A/m (A) mm2

1.5 18 25 11.82 28 62.5 25 15 11.82 28 64 33 9.5 7.91 39 106 43 6.4 4.2 57 16

10 59 3.8 4.2 57 1616 79 2.4 2.7 79 2525 104 1.5 1.35 123 3535 129 1.1 1.35 123 5050 167 0.84 0.94 159 7070 214 0.6 0.58 226 12095 261 0.47 0.48 261 150

120 303 0.4 0.41 299 185150 349 0.34 0.35 354 240185 400 0.31 0.31 410 300240 472 0.27 0.28 472 400300 545 0.25 0.26 546 500400 634 0.24 0.24 626 630500 723 0.23 0.23 709 800630 826 0.22 0.22 823 1000

The continuos current carrying capacities are based on the following condition :

a) Ambient temperature 30oC

b) Maximum continuos loading temperature of conductor 70oC

c) Clipped direct 3 or 4 cable, 3 phase a.c

Cu and Al Equivalent Size Comparison

Nom. Cross Sectional Area

for Cu.

Cu. Conductor Current Rating

Voltage Drop Cu. Conductor

Voltage Drop Al. Conductor

Equivalent Current Rating

of Al. Conductor

Nom. Cross Sectional

Area for Al.

mm2 (A) mV/A/m mV/A/m (A) mm2

10 73 4 4.2 76 16

16 94 2.5 2.7 90 25

25 124 1.65 1.45 136 50

35 154 1.15 0.97 174 70

50 187 0.87 0.72 211 95

70 238 0.6 0.58 245 120

95 289 0.45 0.47 283 150

120 335 0.37 0.39 323 185

150 386 0.3 0.31 382 240

185 441 0.26 0.26 440 300

240 520 0.21 0.22 517 400

300 599 0.185 0.19 605 500

400 673 0.165 0.175 691 630

Cu and Al Equivalent Size Comparison CU/XLPE/SWA/PVC/AL/XLPE/SCT/PE

The continuos current carrying capacities are based on the following condition :

a) Ambient temperature 30oC

b) Maximum continuos loading temperature of conductor 70oC

c) Clipped direct 3 or 4 cable, 3 phase a.c

Cu and Al Equivalent Size Comparison XLPE/PVC

The continuos current carrying capacities are based on the following condition :

a) Ambient temperature 30 deg.C

b) Maximum continuos loading temperature of conductor 90 deg.C

c) Clipped direct 3 or 4 cable, 3 phase a.c

Nom. Cross Sectional Area

for Cu.

Cu. Conductor Current Rating

Voltage Drop Cu. Conductor

Voltage Drop Al. Conductor

Equivalent Current Rating

of Al. Conductor

Nom. Cross Sectional

Area for Al.

mm2 (A) mV/A/m mV/A/m (A) mm2

10 74 4 4.2 80 1616 99 2.5 2.7 97 2525 130 1.6 1.45 149 5035 161 1.15 0.98 189 7050 209 0.87 0.73 234 9570 268 0.61 0.59 273 12095 326 0.45 0.47 314 150

120 379 0.37 0.39 366 185150 436 0.31 0.32 438 240185 500 0.26 0.27 507 300240 590 0.22 0.23 594 400300 681 0.195 0.2 692 500400 793 0.175 0.185 791 630500 904 0.16 0.17 911 800630 1033 0.15 0.16 1072 1000800 1179 0.145 0.15 1217 1200

Allowable Short Circuit Current for PVC Insulated Copper Cables

Short Circuit Current Rating for XLPE Insulated Copper Cables

Short Circuit Current Rating for XLPE Insulated Aluminum Cables

DC RESISTANCE

AC RESISTANCE

INDUCTANCE

CAPACITANCE

REACTANCE

IMPEDANCE

SHORT-CIRCUIT CURRENT

ELECTRICAL FIELD STRENGTH

CHARGING CURRENT

DIELECTRIC LOSS

SHEATH LOSS

INSULATION RESISTANCE

MAXIMUM PULLING TENSION

CABLE LENGTH IN DRUM