Johnson Controls VMA1400 Series User Manual

Mounting and Wiring VMA1400 Series Controllers Technical Bulletin
9
The following tables indicate the relationship between cable length
and power at the end of wires.
Table 2: Maximum 24 VAC Secondary Cable Length for Given Power/Gauge
(U.S. Measurements)
Cable Size
8 Gauge 10 Gauge 12 Gauge 14 Gauge 16 Gauge 18 Gauge
Power (VA) at
End of Wire Cable Length (ft)
10
3520 2200 1400 880 550 350
20
1760 1110 700 440 275 175
30
1173 740 467 293 183 117
40
880 555 350 220 138 88
50
704 444 280 176 110 70
60
587 370 233 147 92 58
70
503 317 200 126 79 50
80
440 278 175 110 69 44
90
391 247 156 98 61 39
100
352 222 140 88 55 35
Table 3: Maximum 24 VAC Secondary Cable Length for
Power/Wire Gauge (Metric Measurements)
Cable Size
4 mm
2
2.5 mm
2
1.5 mm
2
Power (VA) at
End of Wire Cable Length (Meters)
10
427 268 168
20
213 134 84
30
142 89 56
40
107 67 42
50
85 54 34
60
71 45 28
70
61 38 24
80
53 34 21
90
48 30 19
100
43 27 17

Johnson Controls VMA1400 Series Specifications

General

Brand	Johnson Controls
Model	VMA1400 Series
Category	Controller
Language	English