SunSaver MPPT Installation and Operation Manual

MORNINGSTAR CORPORATION 49
Appendix A - Wire Charts
12 Volt Nominal Wire Chart
amps
One-way Wire Distance (feet)
Wire Gauge (AWG)
One-way Wire Distance (meters)
Wire Gauge (mm
2
)
14 12 10 8 6 2.0 3.0 5.0 8.0 13.0
2
70 112 180 287 456
21 34 55 87 139
4
35 56 90 143 228
11 17 27 44 69
8
18 28 45 72 114
5 8 14 22 35
12
12 19 30 48 76
4 6 9 15 23
15
9 15 24 38 61
3 5 7 12 19
3% Voltage drop, Annealed copper wire at 20°C
24 Volt Nominal Wire Chart
amps
One-way Wire Distance (feet)
Wire Gauge (AWG)
One-way Wire Distance (meters)
Wire Gauge (mm
2
)
14 12 10 8 6 2.0 3.0 5.0 8.0 13.0
2
140 224 360 574 912 43 68 110 175 278
4
70 112 180 286 456 21 34 55 87 139
8
36 56 90 144 228 11 17 27 44 69
12
24 38 60 96 152 7 12 18.3 29 46
15
18 30 48 76 122 5 9 15 23 37
3% Voltage drop, Annealed copper wire at 20°C
36 Volt Nominal Wire Chart
amps
One-way Wire Distance (feet)
Wire Gauge (AWG)
One-way Wire Distance (meters)
Wire Gauge (mm
2
)
14 12 10 8 6 2.0 3.0 5.0 8.0 13.0
2
210 336 540 861 1368 64 102 165 262 417
4
105 168 270 429 684 32 51 82 131 208
8
54 84 135 216 342 16 26 41 66 104
12
36 57 90 144 228 11 17 27 44 69
15
27 45 72 114 183 8 14 22 35 56
3% Voltage drop, Annealed copper wire at 20°C