Trane HUV - Page 85

UV-PRC001-EN 85
Table E2: Minimum Circuit Ampacity (MCA) for Electric Heat Coils with High Static Motors
For Trane controls, add the
following values to determine
TOTAL MCA
Unit Size No of Elem
Coil
KW
208V
1ph
240V
1ph
277V
1ph
208V
3ph
240V
3ph
480V*
3ph
075
3
5.85 38.74 33.58 29.09 23.91 20.72 10.36
100 7.8 50.46 43.73 37.89 30.68 26.59 13.30
125 9.75 63.67 55.18 47.81 38.94 33.75 16.87
150 11.4 73.58 63.77 55.25 44.67 38.72 19.36
200 11.4 74.13 64.25 55.67 45.23 39.20 19.60
075
4
7.8 50.46 43.73 37.89 34.59 29.98 14.99
100 10.4 66.09 57.28 49.63 44.93 38.94 19.47
125 13.0 83.20 72.10 62.47 56.75 49.18 24.59
150 15.2 96.42 83.56 72.40 65.49 56.76 28.38
200 15.2 96.97 84.04 72.82 66.04 57.24 28.62
075
6
11.7 NA 64.05 55.49 44.23 38.33 19.17
100 15.6 NA 84.36 73.09 57.78 50.07 25.04
125 19.5 NA 105.96 91.81 72.81 63.10 31.55
150 22.8 NA 123.15 106.70 84.27 73.04 36.52
200 22.8 NA 123.63 107.11 84.83 73.52 36.76
075
7
13.65 NA NA 64.29 54.67 47.38 23.69
100 18.2 NA NA 84.82 71.70 62.14 31.07
125 22.75 NA NA 106.47 90.21 78.18 39.09
150 26.6 NA NA 123.84 104.61 90.67 45.33
200 26.6 NA NA 124.26 105.17 91.14 45.57
075
9
17.55 NA NA NA 64.55 55.95 27.97
100 23.4 NA NA NA 84.87 73.56 36.78
125 29.25 NA NA NA 106.68 92.46 46.23
150 34.2 NA NA NA 123.87 107.36 53.68
200 34.2 NA NA NA 124.43 107.84 53.92
Volts Amps
120 0.94
208 0.55
240 0.48
277 0.41
480 0.41
Electrical Data
Minimum Circuit Ampacity