63
Table 53 – 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*A04
208/230---1--- 60
STD
None None 27.2 40 26 95 29.1 45 29 97
3.3/4.4 15.9/18.3 27.2/29.0 40/40 26/27 95/95 29.1/31.4 45/45 29/29 97/97
4.9/6.5 23.5/27.1 35.5/40.0 40/45 33/37 95/95 37.9/42.4 45/45 35/39 97/97
6.5/8.7 31.4/36.3 45.4/51.5 50/60 42/47 95/95 47.8/53.9 50/60 44/50 97/97
7.9/10.5 37.9/43.8 53.5/60.9 60/70 49/56 95/95 55.9/63.3 60/70 51/58 97/97
9.8/13.0 46.9/54.2 64.8/73.9 70/80 60/68 95/95 67.1/76.3 70/80 62/70 97/97
MED
None None 27.2 40 26 95 29.1 45 29 97
3.3/4.4 15.9/18.3 27.2/29.0 40/40 26/27 95/95 29.1/31.4 45/45 29/29 97/97
4.9/6.5 23.5/27.1 35.5/40.0 40/45 33/37 95/95 37.9/42.4 45/45 35/39 97/97
6.5/8.7 31.4/36.3 45.4/51.5 50/60 42/47 95/95 47.8/53.9 50/60 44/50 97/97
7.9/10.5 37.9/43.8 53.5/60.9 60/70 49/56 95/95 55.9/63.3 60/70 51/58 97/97
9.8/13.0 46.9/54.2 64.8/73.9 70/80 60/68 95/95 67.1/76.3 70/80 62/70 97/97
208/230---3--- 60
STD
None None 19.4 25 19 89 21.3 30 22 91
3.3/4.4 9.2/10.6 19.4/19.4 25/25 19/19 89/89 21.3/21.8 30/30 22/22 91/91
4.9/6.5 13.6/15.6 23.1/25.6 25/30 21/24 89/89 25.5/28.0 30/30 23/26 91/91
6.5/8.7 18.1/20.9 28.8/32.3 30/35 26/30 89/89 31.1/34.6 35/35 29/32 91/91
7.9/10.5 21.9/25.3 33.5/37.8 35/40 31/35 89/89 35.9/40.1 40/45 33/37 91/91
12.0/16.0 33.4/38.5 47.9/54.3 50/60 44/50 89/89 50.3/56.6 60/60 46/52 91/91
MED
None None 19.4 25 19 89 21.3 30 22 91
3.3/4.4 9.2/10.6 19.4/19.4 25/25 19/19 89/89 21.3/21.8 30/30 22/22 91/91
4.9/6.5 13.6/15.6 23.1/25.6 25/30 21/24 89/89 25.5/28.0 30/30 23/26 91/91
6.5/8.7 18.1/20.9 28.8/32.3 30/35 26/30 89/89 31.1/34.6 35/35 29/32 91/91
7.9/10.5 21.9/25.3 33.5/37.8 35/40 31/35 89/89 35.9/40.1 40/45 33/37 91/91
12.0/16.0 33.4/38.5 47.9/54.3 50/60 44/50 89/89 50.3/56.6 60/60 46/52 91/91
HIGH
None None 19.7 30 20 107 21.6 30 22 109
3.3/4.4 9.2/10.6 19.7/19.8 30/30 20/20 107/107 21.6/22.1 30/30 22/22 109/109
4.9/6.5 13.6/15.6 23.5/26.0 30/30 22/24 107/107 25.9/28.4 30/30 24/26 109/109
6.5/8.7 18.1/20.9 29.1/32.6 30/35 27/30 107/107 31.5/35.0 35/40 29/32 109/109
7.9/10.5 21.9/25.3 33.9/38.1 35/40 31/35 107/107 36.3/40.5 40/45 33/37 109/109
12.0/16.0 33.4/38.5 48.3/54.6 50/60 44/50 107/107 50.6/57.0 60/60 47/52 109/109
4 6 0 --- 3 --- 6 0
STD
None None 10.2 15 10 46 11.2 15 11 47
6.0 7.2 11.6 15 11 46 12.9 15 12 47
8.8 10.6 15.9 20 15 46 17.1 20 16 47
11.5 13.8 19.9 20 18 46 21.1 25 19 47
14.0 16.8 23.6 25 22 46 24.9 25 23 47
MED
None None 10.2 15 10 46 11.2 15 11 47
6.0 7.2 11.6 15 11 46 12.9 15 12 47
8.8 10.6 15.9 20 15 46 17.1 20 16 47
11.5 13.8 19.9 20 18 46 21.1 25 19 47
14.0 16.8 23.6 25 22 46 24.9 25 23 47
HIGH
None None 10.7 15 11 55 11.7 15 12 56
6.0 7.2 12.3 15 11 55 13.5 15 12 56
8.8 10.6 16.5 20 15 55 17.8 20 16 56
11.5 13.8 20.5 25 19 55 21.8 25 20 56
14.0 16.8 24.3 25 22 55 25.5 30 23 56
5 7 5 --- 3 --- 6 0
STD None None 7.3 15 7 44 9.2 15 9 46
MED None None 7.3 15 7 44 9.2 15 9 46
HIGH None None 7.4 15 7 50 9.3 15 10 52
* Nominal valves, listed as 208/240V, 480V or 600V as appropriate.
See Legend and calculations on page 72.
50TC
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