79
Table 54 – (cont.) MCA/MOCP 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*A09
208/230---3--- 60
STD
None None 49.9 60 49 227 53.7 80 53 231
7.8/10.4 21.7/25.0 49.9/49.9 60/60 49/49 227/227 53.7/53.7 80/80 53/53 231/231
12.0/16.0 33.4/38.5 54.3/60.6 60/70 50/56 227/227 59.0/65.4 80/80 54/60 231/231
18.6/24.8 51.7/59.7 77.1/87.1 80/90 71/80 227/227 81.9/91.9 90/100 75/85 231/231
24.0/32.0 66.7/77.0 95.9/108.8 100/110 88/100 227/227 100.6/113.5 110/125 93/104 231/231
31.8/42.4 88.4/102.0 123.0/140.0 125/150 113/129 227/227 127.8/144.8 150/150 118/133 231/231
MED
None None 49.9 60 49 238 53.7 80 53 242
7.8/10.4 21.7/25.0 49.9/49.9 60/60 49/49 238/238 53.7/53.7 80/80 53/53 242/242
12.0/16.0 33.4/38.5 54.3/60.6 60/70 50/56 238/238 59.0/65.4 80/80 54/60 242/242
18.6/24.8 51.7/59.7 77.1/87.1 80/90 71/80 238/238 81.9/91.9 90/100 75/85 242/242
24.0/32.0 66.7/77.0 95.9/108.8 100/110 88/100 238/238 100.6/113.5 110/125 93/104 242/242
31.8/42.4 88.4/102.0 123.0/140.0 125/150 113/129 238/238 127.8/144.8 150/150 118/133 242/242
HIGH
None None 54.7 80 54 281 58.5 80 59 285
7.8/10.4 21.7/25.0 54.7/54.7 80/80 54/54 281/281 58.5/58.5 80/80 59/59 285/285
12.0/16.0 33.4/38.5 60.3/66.6 80/80 55/61 281/281 65.0/71.4 80/80 60/66 285/285
18.6/24.8 51.7/59.7 83.1/93.1 90/100 76/86 281/281 87.9/97.9 90/100 81/90 285/285
24.0/32.0 66.7/77.0 101.9/114.8 110/125 94/106 281/281 106.6/119.5 110/125 98/110 285/285
31.8/42.4 88.4/102.0 129.0/146.0 150/150 119/134 281/281 133.8/150.8 150/175 123/139 285/285
4 6 0 --- 3 --- 6 0
STD
None None 24.8 30 24 110 26.6 40 26 112
13.9 16.7 26.9 30 25 110 29.1 40 27 112
16.5 19.8 30.8 35 28 110 33.0 40 30 112
27.8 33.4 47.8 50 44 110 50.0 60 46 112
33.0 39.7 55.6 60 51 110 57.9 60 53 112
41.7 50.2 68.8 70 63 110 71.0 80 65 112
MED
None None 24.8 30 24 116 26.6 40 26 118
13.9 16.7 26.9 30 25 116 29.1 40 27 118
16.5 19.8 30.8 35 28 116 33.0 40 30 118
27.8 33.4 47.8 50 44 116 50.0 60 46 118
33.0 39.7 55.6 60 51 116 57.9 60 53 118
41.7 50.2 68.8 70 63 116 71.0 80 65 118
HIGH
None None 26.6 40 26 138 28.4 40 28 140
13.9 16.7 29.1 40 27 138 31.4 40 29 140
16.5 19.8 33.0 40 30 138 35.3 40 32 140
27.8 33.4 50.0 60 46 138 52.3 60 48 140
33.0 39.7 57.9 60 53 138 60.1 70 55 140
41.7 50.2 71.0 80 65 138 73.3 80 67 140
5 7 5 --- 3 --- 6 0
STD
None None 20.6 30 20 93 24.4 30 24 97
17.0 20.4 30.6 35 28 93 35.4 40 33 97
34.0 40.9 56.3 60 52 93 61.0 70 56 97
MED
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
HIGH
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
* Nominal valves, listed as 208/240V, 480V or 600V as appropriate.
See Legend and calculations on page 72.
50TC
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