Allowable current carrying capacity of long-term continuous load low-voltage power cable

The allowable current carrying capacity of low-voltage power cables under long-term continuous load is a critical factor in electrical design and cable selection. This table provides the permissible current values for various types of PVC-insulated cables, including single-core and multi-core configurations, installed in air or buried in soil. The values are based on standard ambient temperatures of 40°C (for installation in air) and 25°C (for installation in soil).

â–  0.6/1kV PVC insulated power cable allows continuous current carrying capacity

model VV VLV VV22 VLV22 ZR-VV ZR-VLV ZR-VV22 ZR-VLV22 VV VLV VV22 VLV22 ZR-VV ZR-VLV ZR-VV22 ZR-VLV22 Number of cores Single core 3-5 core Laying in the air In the soil in the air In the soil Single core cable arrangement â—‹ â—‹â—‹ â—‹â—‹â—‹ â—‹ â—‹â—‹ â—‹â—‹â—‹ Conductor material Cu Al Cu Al Cu Al Cu Al Cu Al Cu Al Nominal cross section 1.5 19 ... 24 ... 27 ... 29 ... 15 ... 22 ... 2.5 25 19 31 24 36 27 38 30 19 15 29 23 4 33 26 41 32 47 35 49 39 26 20 38 30 6 41 34 52 42 58 46 61 50 32 26 47 39 10 57 44 72 55 78 58 83 64 46 35 65 50 16 76 59 95 73 100 76 105 83 60 47 84 65 25 98 76 120 96 130 95 135 105 77 60 110 84 35 115 90 150 115 155 115 160 125 95 74 130 100 50 145 110 180 140 185 140 195 150 115 90 155 120 70 180 140 230 175 225 170 240 185 145 115 195 150 95 225 175 280 215 270 205 285 220 185 140 230 185 120 260 200 325 250 310 235 325 250 210 165 260 205 150 300 230 375 290 350 265 365 285 245 190 300 230 185 345 270 430 335 395 300 415 320 280 215 335 260 240 410 320 510 395 455 350 480 375 335 260 390 300 300 475 370 585 455 515 395 545 425 375 295 435 340 400 555 440 690 540 585 455 625 490 ... ... ... ... 500 640 510 800 630 660 520 710 560 ... ... ... ... 630 730 595 920 740 740 590 810 645 ... ... ... ... Ambient temperature 40 25 40 25

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