80
Table 54– (cont.) MCA/MO CP DETERMINATION W/ PWRD C.O.
UNIT
N O M . V --- P H --- H Z
IFM
TYPE
ELECTRIC HEATER W/PWRD C.O.
Nom*
(kW)
FLA
NO P.E. w/ P.E. (pwrd fr/unit)
MCA MOCP
DISC. SIZE
MCA MOCP
DISC. SIZE
FLA LRA FLA LRA
50TC*A12
208/230---3--- 60
STD
None None 50.6 60 50 268 54.4 80 54 272
7.8/10.4 21.7/25.0 50.6/50.6 60/60 50/50 268/268 54.4/54.4 80/80 54/54 272/272
12.0/16.0 33.4/38.5 54.3/60.6 60/80 50/56 268/268 59.0/65.4 80/80 54/60 272/272
24.0/32.0 66.7/77.0 95.9/108.8 100/110 88/100 268/268 100.6/113.5 110/125 93/104 272/272
31.8/42.4 88.4/102.0 123.0/140.0 125/150 113/129 268/268 127.8/144.8 150/150 118/133 272/272
37.6/50.0 104.2/120.3 142.8/132.8 150/150 131/150 268/268 147.5/137.6 150/150 136/154 272/272
MED
None None 55.4 80 55 311 59.2 80 59 315
7.8/10.4 21.7/25.0 55.4/55.4 80/80 55/55 311/311 59.2/59.2 80/80 59/59 315/315
12.0/16.0 33.4/38.5 60.3/66.6 80/80 55/61 311/311 65.0/71.4 80/80 60/66 315/315
24.0/32.0 66.7/77.0 101.9/114.8 110/125 94/106 311/311 106.6/119.5 110/125 98/110 315/315
31.8/42.4 88.4/102.0 129.0/146.0 150/150 119/134 311/311 133.8/150.8 150/175 123/139 315/315
37.6/50.0 104.2/120.3 148.8/138.8 150/150 137/155 311/311 153.5/143.6 175/175 141/160 315/315
HIGH
None None 60.4 90 61 320 64.2 90 65 324
7.8/10.4 21.7/25.0 60.4/60.4 90/90 61/61 320/320 64.2/64.2 90/90 65/65 324/324
12.0/16.0 33.4/38.5 66.5/72.9 90/90 61/67 320/320 71.3/77.6 90/90 66/71 324/324
24.0/32.0 66.7/77.0 108.1/121.0 110/125 99/111 320/320 112.9/125.8 125/150 104/116 324/324
31.8/42.4 88.4/102.0 135.3/152.3 150/175 124/140 320/320 140.0/157.0 150/175 129/144 324/324
37.6/50.0 104.2/120.3 155.0/145.1 175/175 143/161 320/320 159.8/149.8 175/175 147/165 324/324
4 6 0 --- 3 --- 6 0
STD
None None 27.3 40 27 135 29.1 45 29 137
13.9 16.7 27.3 40 27 135 29.1 45 29 137
16.5 19.8 30.8 40 28 135 33.0 45 30 137
33.0 39.7 55.6 60 51 135 57.9 60 53 137
41.7 50.2 68.8 70 63 135 71.0 80 65 137
50.0 60.1 66.1 70 75 135 68.4 70 77 137
MED
None None 29.1 45 29 157 30.9 45 31 159
13.9 16.7 29.1 45 29 157 31.4 45 31 159
16.5 19.8 33.0 45 30 157 35.3 45 32 159
33.0 39.7 57.9 60 53 157 60.1 70 55 159
41.7 50.2 71.0 80 65 157 73.3 80 67 159
50.0 60.1 68.4 80 77 157 70.6 80 79 159
HIGH
None None 32.1 45 32 161 33.9 50 34 163
13.9 16.7 32.9 45 32 161 35.1 50 34 163
16.5 19.8 36.8 45 34 161 39.0 50 36 163
33.0 39.7 61.6 70 57 161 63.9 70 59 163
41.7 50.2 74.8 80 69 161 77.0 80 71 163
50.0 60.1 72.1 80 80 161 74.4 80 82 163
5 7 5 --- 3 --- 6 0
STD
None None 20.2 30 20 97 24 30 24 101
17.0 20.4 30.1 35 28 97 34.9 35 32 101
34.0 40.9 55.8 60 51 97 60.5 70 56 101
51.0 61.3 65.9 70 75 97 70.7 80 79 101
MED
None None 21 30 21 108 24.8 30 25 112
17.0 20.4 31.1 35 29 108 35.9 40 33 112
34.0 40.9 56.8 60 52 108 61.5 70 57 112
51.0 61.3 66.9 70 76 108 71.7 80 80 112
HIGH
None None 23.8 30 24 122 27.6 35 28 126
17.0 20.4 34.6 35 32 122 39.4 40 36 126
34.0 40.9 60.3 70 55 122 65.0 70 60 126
51.0 61.3 70.4 80 79 122 75.2 80 83 126
* Nominal valves, listed as 208/240V, 480V or 600V as appropriate.
See Legend and calculations on page 72.
50TC
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