Table 4-4 One-Way Wire Distance And Wire Size For A 24 Vdc System; Table 4-5 One-Way Wire Distance And Wire Size For A 48 Vdc System - Xantrex XW4024-120/240-60, XW4548-120/240-60, XW6048-120/240-60 Installation Manual

Table 4-4 One-Way Wire Distance and Wire Size for a 24 Vdc System

Maximum one-way wire distance for a < 3% voltage drop assuming 60 Adc charging current
Distance in feet (meters)
Amps 12 AWG
10 17.6 (5.36) 28.0 (8.54)
12 14.6 (4.46) 23.2 (7.08)
14 12.6 (3.84) 20.0 (6.10)
16
11.0 (3.36) 17.4 (5.30)
18
9.8 (2.98) 17.6 (4.76)
20 8.8 (2.68) 14.0 (4.26)
25 11.2 (3.42)
30 9.4 (2.86)
35
40
45
50
60
a.These wire sizes are not approved by UL to be installed in the controller, but may be used external to the controller (using a splicer block) to reduce
voltage drop and improve performance.

Table 4-5 One-Way Wire Distance and Wire Size for a 48 Vdc System

Maximum one-way wire distance for a < 3% voltage drop assuming 60 Adc charging current
Distance in feet (meters)
Amps 12 AWG
10 70.4 (21.44) 112.0 (34.16)
12 58.4 (17.84) 92.8 (28.32)
14
50.4 (15.36) 80.0 (24.40)
16
44.0 (13.44) 69.6 (21.20)
18 39.2 (11.92) 70.4 (19.04)
20 35.2 (10.72) 56.0 (17.04)
25
44.8 (13.68)
30
37.6 (11.44)
35
40
45
50
60
a.These wire sizes are not approved by UL to be installed in the controller, but may be used external to the controller (using a splicer block) to reduce
voltage drop and improve performance.
975-0239-01-01
10 AWG 8 AWG
44.4 (13.54) 70.6 (21.52)
37.0 (11.28) 58.8 (17.92)
31.8 (9.70) 50.4 (15.36)
27.8 (8.48) 44.2 (13.48)
24.8 (7.56) 39.2 (11.94)
22.2 (6.76) 35.2 (10.72)
17.8 (5.42) 28.2 (8.60)
14.8 (4.52) 23.6 (7.20)
12.8 (3.90) 20.2 (6.16)
11.2 (3.42) 17.6 (5.36)
15.6 (4.76)
14.2 (4.32)
12.6 (3.84)
10 AWG 8 AWG
177.6 (54.16) 282.4 (86.80)
148.0 (45.12) 235.2 (71.68)
127.2 (38.8) 201.6 (61.44)
111.2 (33.92) 176.8 (53.92)
99.2 (30.24) 156.8 (47.76)
88.8 (27.04) 140.8 (42.88)
71.2 (21.68) 112.8 (34.40)
59.2 (18.08) 94.4 (28.80)
51.2 (15.60) 80.8 (26.64)
44.8 (13.68) 70.4 (21.44)
62.4 (19.04)
56.8 (17.28)
50.4 (15.36)
For 24 Vdc systems
Distance in feet (meters)
6 AWG 4 AWG
112.2 (34.2) 141.8 (43.22)
93.4 (18.46) 118.2 (36.02)
80.2 (24.44) 101.2 (30.84)
70.0 (21.34) 88.6 (27.0)
62.4 (19.02) 78.8 (24.02)
56.0 (17.06) 70.8 (21.58)
44.8 (13.66) 56.6 (17.26)
37.4 (11.4) 47.2 (14.38)
32.0 (9.76) 40.4 (12.32)
28.0 (8.54) 35.4 (10.78)
25.0 (7.62) 31.4 (9.58)
22.4 (6.82) 28.4 (8.66)
18.6 (5.66) 23.6 (7.20)
For 48 Vdc systems
Distance in feet (meters)
6 AWG 4 AWG
448.8 (136.8) 567.2 (172.88)
373.6 (113.84) 472.8 (144.08)
320.8 (97.76) 404.8 (123.36)
280.0 (85.36) 354.4 (108.00)
249.6 (76.08) 315.2 (96.08)
224.0 (68.24) 283.2 (86.32)
179.2 (54.64) 226.4 (69.04)
149.6 (45.60) 188.8 (57.52)
128.0 (39.04) 161.6 (49.28)
112.0 (34.16) 141.6 (43.12)
100.0 (30.48) 125.6 (38.32)
89.6 (27.28) 113.6 (34.64)
74.4 (22.64) 94.4 (28.80)
a
3 AWG 2 AWG
179.2 (54.62) 225.0 (68.58)
149.2 (45.48) 187.4 (57.12)
128.0 (39.02) 160.8 (49.02)
112.0 (34.14) 140.6 (42.86)
99.6 (30.36) 125.0 (38.10)
89.6 (27.32) 112.4 (34.26)
71.6 (21.82) 90.0 (27.44)
59.8 (18.22) 75.0 (22.86)
51.2 (15.6) 64.2 (19.56)
44.8 (13.66) 56.2 (17.12)
39.8 (12.14) 50.0 (15.24)
35.8 (10.92) 45.0 (13.72)
29.8 (9.08) 37.4 (11.4)
a
3 AWG 2 AWG
716.8 (218.48) 900.0 (274.32)
596.8 (181.92) 749.6 (228.48)
512.0 (156.08) 643.2 (196.08)
448.0 (136.56) 562.4 (171.44)
398.4 (121.44) 500.0 (152.40)
358.4 (109.28) 449.6 (137.04)
286.4 (87.28) 360.0 (109.76)
239.2 (72.88) 300.0 (91.44)
204.8 (62.40) 256.8 (78.24)
179.2 (54.64) 224.8 (68.48)
159.2 (48.56) 200.0 (60.96)
143.2 (43.68) 180.0 (54.88)
119.2 (36.32) 149.6 (45.60)
Wiring
1 AWG 1/0 AWG
283.4 (86.38)
236.2 (72.00)
202.4 (61.70)
177.2 (54.02)
157.4 (47.98)
141.8 (43.20)
113.4 (34.56)
94.4 (28.78)
81.0 (24.68)
70.8 (24.58)
63.0 (19.20)
56.6 (17.26)
47.2 (14.38)
1 AWG 1/0 AWG
1133.6 (345.52)
944.8 (288.00)
809.6 (246.80)
708.8 (216.08)
629.6 (191.92)
567.2 (172.80)
453.6 (138.24)
377.6 (115.12)
324.0 (98.72)
283.2 (86.32)
252.0 (76.80)
226.4 (69.04)
188.8 (57.52)
4–11