COP-USA ASH56NVIR-36S User Manual

Page 41

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37

Annex III: 24VAC line gauge and transmission distance relationship

If the line gauge is specified, and the loss of 24VAC voltage is less than 10%, the

recommended maximum transmission distance is shown as table below. (For AC

equipment, the maximum permissible voltage loss is 10%. For example: the rated power

of one equipment is 80VA, installed at the place 35 feet away from the transformer (10m),

the required minimum line gauge is 0.8000mm.

Line gauge (mm)

Distance

feet(m)

Power va

0.8000 1.000 1.250 2.000

10 283(86) 451(137) 716(218) 1811(551)

20 141(42) 225(68) 358(109) 905(275)

30 94(28) 150(45) 238(72) 603(183)

40 70(21) 112(34) 179(54) 452(137)

50 56(17) 90(27) 143(43) 362(110)

60 47(14) 75(22) 119(36) 301(91)

70 40(12) 64(19) 102(31) 258(78)

80 35(10) 56(17) 89(27) 226(68)

90 31(9) 50(15) 79(24) 201(61)

100 28(8) 45(13) 71(21) 181(55)

110 25(7) 41(12) 65(19) 164(49)

120 23(7) 37(11) 59(17) 150(45)

130 21(6) 34(10) 55(16) 139(42)

140 20(6) 32(9) 51(15) 129(39)

150 18(5) 30(9) 47(14) 120(36)

160 17(5) 28(8) 44(13) 113(34)

170 16(4) 26(7) 42(12) 106(32)

180 15(4) 25(7) 39(11) 100(30)

190 14(4) 23(7) 37(11) 95(28)

200 14(4) 22(6) 35(10) 90(27)

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