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975-0239-01-01 4–11
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
For 24 Vdc systems
Distance in feet (meters) Distance in feet (meters)
a
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.
Amps 12 AWG 10 AWG 8 AWG 6 AWG 4 AWG 3 AWG 2 AWG 1 AWG 1/0 AWG
10
17.6 (5.36) 28.0 (8.54) 44.4 (13.54) 70.6 (21.52) 112.2 (34.2) 141.8 (43.22) 179.2 (54.62) 225.0 (68.58) 283.4 (86.38)
12
14.6 (4.46) 23.2 (7.08) 37.0 (11.28) 58.8 (17.92) 93.4 (18.46) 118.2 (36.02) 149.2 (45.48) 187.4 (57.12) 236.2 (72.00)
14
12.6 (3.84) 20.0 (6.10) 31.8 (9.70) 50.4 (15.36) 80.2 (24.44) 101.2 (30.84) 128.0 (39.02) 160.8 (49.02) 202.4 (61.70)
16
11.0 (3.36) 17.4 (5.30) 27.8 (8.48) 44.2 (13.48) 70.0 (21.34) 88.6 (27.0) 112.0 (34.14) 140.6 (42.86) 177.2 (54.02)
18
9.8 (2.98) 17.6 (4.76) 24.8 (7.56) 39.2 (11.94) 62.4 (19.02) 78.8 (24.02) 99.6 (30.36) 125.0 (38.10) 157.4 (47.98)
20
8.8 (2.68) 14.0 (4.26) 22.2 (6.76) 35.2 (10.72) 56.0 (17.06) 70.8 (21.58) 89.6 (27.32) 112.4 (34.26) 141.8 (43.20)
25
11.2 (3.42) 17.8 (5.42) 28.2 (8.60) 44.8 (13.66) 56.6 (17.26) 71.6 (21.82) 90.0 (27.44) 113.4 (34.56)
30
9.4 (2.86) 14.8 (4.52) 23.6 (7.20) 37.4 (11.4) 47.2 (14.38) 59.8 (18.22) 75.0 (22.86) 94.4 (28.78)
35
12.8 (3.90) 20.2 (6.16) 32.0 (9.76) 40.4 (12.32) 51.2 (15.6) 64.2 (19.56) 81.0 (24.68)
40
11.2 (3.42) 17.6 (5.36) 28.0 (8.54) 35.4 (10.78) 44.8 (13.66) 56.2 (17.12) 70.8 (24.58)
45
15.6 (4.76) 25.0 (7.62) 31.4 (9.58) 39.8 (12.14) 50.0 (15.24) 63.0 (19.20)
50
14.2 (4.32) 22.4 (6.82) 28.4 (8.66) 35.8 (10.92) 45.0 (13.72) 56.6 (17.26)
60
12.6 (3.84) 18.6 (5.66) 23.6 (7.20) 29.8 (9.08) 37.4 (11.4) 47.2 (14.38)
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
For 48 Vdc systems
Distance in feet (meters) Distance in feet (meters)
a
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.
Amps 12 AWG 10 AWG 8 AWG 6 AWG 4 AWG 3 AWG 2 AWG 1 AWG 1/0 AWG
10
70.4 (21.44) 112.0 (34.16) 177.6 (54.16) 282.4 (86.80) 448.8 (136.8) 567.2 (172.88) 716.8 (218.48) 900.0 (274.32) 1133.6 (345.52)
12
58.4 (17.84) 92.8 (28.32) 148.0 (45.12) 235.2 (71.68) 373.6 (113.84) 472.8 (144.08) 596.8 (181.92) 749.6 (228.48) 944.8 (288.00)
14
50.4 (15.36) 80.0 (24.40) 127.2 (38.8) 201.6 (61.44) 320.8 (97.76) 404.8 (123.36) 512.0 (156.08) 643.2 (196.08) 809.6 (246.80)
16
44.0 (13.44) 69.6 (21.20) 111.2 (33.92) 176.8 (53.92) 280.0 (85.36) 354.4 (108.00) 448.0 (136.56) 562.4 (171.44) 708.8 (216.08)
18
39.2 (11.92) 70.4 (19.04) 99.2 (30.24) 156.8 (47.76) 249.6 (76.08) 315.2 (96.08) 398.4 (121.44) 500.0 (152.40) 629.6 (191.92)
20
35.2 (10.72) 56.0 (17.04) 88.8 (27.04) 140.8 (42.88) 224.0 (68.24) 283.2 (86.32) 358.4 (109.28) 449.6 (137.04) 567.2 (172.80)
25
44.8 (13.68) 71.2 (21.68) 112.8 (34.40) 179.2 (54.64) 226.4 (69.04) 286.4 (87.28) 360.0 (109.76) 453.6 (138.24)
30
37.6 (11.44) 59.2 (18.08) 94.4 (28.80) 149.6 (45.60) 188.8 (57.52) 239.2 (72.88) 300.0 (91.44) 377.6 (115.12)
35
51.2 (15.60) 80.8 (26.64) 128.0 (39.04) 161.6 (49.28) 204.8 (62.40) 256.8 (78.24) 324.0 (98.72)
40
44.8 (13.68) 70.4 (21.44) 112.0 (34.16) 141.6 (43.12) 179.2 (54.64) 224.8 (68.48) 283.2 (86.32)
45
62.4 (19.04) 100.0 (30.48) 125.6 (38.32) 159.2 (48.56) 200.0 (60.96) 252.0 (76.80)
50
56.8 (17.28) 89.6 (27.28) 113.6 (34.64) 143.2 (43.68) 180.0 (54.88) 226.4 (69.04)
60
50.4 (15.36) 74.4 (22.64) 94.4 (28.80) 119.2 (36.32) 149.6 (45.60) 188.8 (57.52)