
5
VA(W)
Relation Table of 24VAC Cable Diameter and Transmission distance
When the cable diameters equal, and voltage wastage rate of 24VAC is under 10%, the maximum transmission distance
is recommended. (As to AC equipments, the maximum allowed voltage wastage rate is 10%) For example: An equipment
with rating power of 80VA and installed at 10 meters away from transformer demands the maximum cable diameter of
0.8mm (square meter).
Cable Diameter (mm) Square Meter
Feet(m) 0.8000 1.000 1.250 2.000
10 283(86) 451(137) 716(218) 1811(511)
20 141(42) 225(68) 358(109) 905(275)
30 94(28) 150(45) 238(109) 905(275)
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)
※ When the temperature reached 40 degrees, the fan started to work; until the temperature dropped to 25 degrees,
the fan stop working.
When the temperature is as low as 4 degrees, the heater work; until the temperature raised to 10 degrees, the in
heat stop working.
The temperature difference is under 2 degrees
● Lightning proof equipment must be installed when the speed
dome camera is installed in open area.
● Make sure the input voltage and normal rated power before
powered up.
Warnin
s!
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