71
Table 53 – (cont.) MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O.
UNIT
N O M . V --- P H --- H Z
IFM
TYPE
ELECTRIC HEATER NO C.O. or UNPWR 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*D12
208/230---3---60
STD
--- --- 43.7 50 46 258 47.5 60 50 262
7.8/10.4 21.7/25.0 43.7/43.7 50/50 46/46 258/258 47.5/47.5 60/60 50/50 262/262
12.0/16.0 33.4/38.5 48.3/54.6 50/60 46/50 258/258 53.0/59.4 60/60 50/55 262/262
24.0/32.0 66.7/77.0 89.9/102.8 90/110 83/95 258/258 94.6/107.5 100/110 87/99 262/262
31.8/42.4 88.4/102.0 117.0/134.0 125/150 108/123 258/258 121.8/138.8 125/150 112/128 262/262
37.6/50.0 104.2/120.3 136.8/126.8 150/150 126/144 258/258 141.5/131.6 150/150 130/149 262/262
MED
--- --- 48.5 60 51 301 52.3 60 56 305
7.8/10.4 21.7/25.0 48.5/48.5 60/60 51/51 301/301 52.3/52.3 60/60 56/56 305/305
12.0/16.0 33.4/38.5 54.3/60.6 60/70 51/56 301/301 59.0/65.4 60/70 56/60 305/305
24.0/32.0 66.7/77.0 95.9/108.8 100/110 88/100 301/301 100.6/113.5 110/125 93/104 305/305
31.8/42.4 88.4/102.0 123.0/140.0 125/150 113/129 301/301 127.8/144.8 150/150 118/133 305/305
37.6/50.0 104.2/120.3 142.8/132.8 150/150 131/150 301/301 147.5/137.6 150/150 136/154 305/305
HIGH
--- --- 53.5 60 57 310 57.3 70 61 314
7.8/10.4 21.7/25.0 53.5/53.5 60/60 57/57 310/310 57.3/57.3 70/70 61/61 314/314
12.0/16.0 33.4/38.5 60.5/66.9 70/70 57/62 310/310 65.3/71.6 70/80 61/66 314/314
24.0/32.0 66.7/77.0 102.1/115.0 110/125 94/106 310/310 106.9/119.8 110/125 98/110 314/314
31.8/42.4 88.4/102.0 129.3/146.3 150/150 119/135 310/310 134.0/151.0 150/175 123/139 314/314
37.6/50.0 104.2/120.3 149.0/139.1 150/175 137/156 310/310 153.8/143.8 175/175 141/160 314/314
4 6 0 --- 3 --- 6 0
STD
--- --- 21.5 25 23 123 23.3 30 25 125
13.9 16.7 24.1 25 23 123 26.4 30 25 125
16.5 19.8 28.0 30 26 123 30.3 35 28 125
33.0 39.7 52.9 60 49 123 55.1 60 51 125
41.7 50.2 66.0 70 61 123 68.3 70 63 125
50.0 60.1 63.4 70 72 123 65.6 70 74 125
MED
--- --- 23.3 30 25 145 25.1 30 27 147
13.9 16.7 26.4 30 25 145 28.6 30 27 147
16.5 19.8 30.3 35 28 145 32.5 35 30 147
33.0 39.7 55.1 60 51 145 57.4 60 53 147
41.7 50.2 68.3 70 63 145 70.5 80 65 147
50.0 60.1 65.6 80 74 145 67.9 80 76 147
HIGH
--- --- 26.3 30 28 149 28.1 35 30 151
13.9 16.7 30.1 35 28 149 32.4 35 30 151
16.5 19.8 34.0 35 31 149 36.3 40 33 151
33.0 39.7 58.9 60 54 149 61.1 70 56 151
41.7 50.2 72.0 80 66 149 74.3 80 68 151
50.0 60.1 69.4 80 78 149 71.6 80 80 151
5 7 5 --- 3 --- 6 0
STD
--- --- 16.2 20 17 93 20.0 25 21 97
17.0 20.4 28.0 30 26 93 32.8 35 30 97
34.0 40.9 53.6 60 49 93 58.4 60 54 97
51.0 61.3 63.8 70 73 93 68.6 80 77 97
MED
--- --- 17.0 20 18 104 20.8 25 22 108
17.0 20.4 29.0 30 27 104 33.8 35 31 108
34.0 40.9 54.6 60 50 104 59.4 60 55 108
51.0 61.3 64.8 70 74 104 69.6 80 78 108
HIGH
--- --- 19.8 25 21 118 23.6 30 25 122
17.0 20.4 32.5 35 30 118 37.3 40 34 122
34.0 40.9 58.1 60 53 118 62.9 70 58 122
51.0 61.3 68.3 80 77 118 73.1 80 81 122
* Nominal valves, listed as 208/240V, 480V or 600V as appropriate.
See Legend and calculations on page 72.
50TC
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