Cable Selection Chart for motors

Cable selection chart for motors (Induction motors) for 3-Phase power supply is as below:-

Motor rating on KW	Full load current of motor	Main Cable Size requirement
0.06	0.21	1x3 CoreX1.5mmSq copper cable
0.09	0.32	1x3 CoreX1.5mmSq copper cable
0.12	0.38	1x3 CoreX1.5mmSq copper cable
0.18	0.58	1x3 CoreX1.5mmSq copper cable
0.25	0.7	1x3 CoreX1.5mmSq copper cable
0.37	1.1	1x3 CoreX1.5mmSq copper cable
0.55	1.3	1x3 CoreX1.5mmSq copper cable
0.75	1.8	1x3 CoreX1.5mmSq copper cable
1.1	2.4	1x3 CoreX2.5mmSq copper cable
1.5	3.2	1x3 CoreX2.5mmSq copper cable
2.2	4.5	1x3 CoreX2.5mmSq copper cable
3	5.9	1x3 CoreX2.5mmSq copper cable
3.7	7.3	1x3 CoreX2.5mmSq copper cable
4	7.7	1x3 CoreX4mmSq copper cable
5.5	10.5	1x3 CoreX4mmSq copper cable
7.5	14	1x3 CoreX4mmSq copper cable
11	20.5	1x3 CoreX6mmSq copper cable
15	27	1x3 CoreX10mmSq copper cable
18.5	33	1x3 CoreX16mmSq copper cable
22	38	1x3 CoreX16mmSq copper cable
30	52	1x3 CoreX25mmSq copper cable
37	64	1x3 CoreX35mmSq copper cable
45	78	1x3 CoreX50mmsq copper cable
55	97	1x3 CoreX50mmsq copper cable
75	132	1x3 CoreX70mmsq Copper cable
90	156	1x3 CoreX95mmsq copper cable
110	187	1x3 CoreX120mmsq copper cable
132	221	1x3 coreX150mmsq copper cable
160	260	1x3 CoreX185mmsq copper cable
200	330	1x3CoreX 240mmsq copper cable
250	415	1x 3CoreX400mmsq copper cable
315	520	2X3CoreX 300 mmsq copper cable

Above chart is for copper cables.

If there is requirement for aluminum cables then same will be increased by 1.5 times that the size of copper cable.

Cable selection chart for motors is for 3-phase , 415V at 50 HZ frequency.

For checking motors rating and Motor rated current visit:-
http://electrialstandards.blogspot.in/2015/10/ac-current-rating-chart.html

For cable size and current carrying capacity visit:-
http://electrialstandards.blogspot.com/2015/11/cable-size-and-current-carrying-capacity.html