58
Table18–UnitWire/FuseorHACRBreakerSizingData
UNITUNITUNIT
N O M . V --- P h --- H z
IFM
TYPE
ELEC. HTR NO C.O. or UNPWR C.O. w/ PWRD C.O.
CRHEATER***A00
Nom
(kW)
FLA
NO P.E. w/ P.E. (pwrd fr/unit) NO P.E. w/ P.E. (pwrd fr/unit)
MCA
MAX
FUSE
or
HACR
BRKR
DISC. SIZE
MCA
MAX
FUSE
or
HACR
BRKR
DISC. SIZE
MCA
MAX
FUSE
or
HACR
BRKR
DISC. SIZE
MCA
MAX
FUSE
or
HACR
BRKR
DISC. SIZE
FLA LRA FLA LRA FLA LRA FLA LRA
5 0 L C --- 0 0 7
208/230---3--- 60
STD
NONE - - 35/34 45/45 36/35 173 38/38 50/50 40/40 177 39/39 50/50 41/41 178 43/43 50/50 45/45 182
316A 4.9/6.5 13.6/15.6 35/34 45/45 36/35 173/173 38/38 50/50 40/40 177/177 39/39 50/50 41/41 178/178 43/43 50/50 45/45 182/182
317A 12.0/16.0 33.4/38.5 49/56 50/60 45/51 173/173 54/60 60/60 49/55 177/177 55/62 60/70 51/56 178/178 60/66 60/70 55/61 182/182
318A 18.6/24.8 51.7/59.7 72/82 80/90 66/75 173/173 77/87 80/90 70/79 177/177 78/88 80/90 72/81 178/178 83/93 90/100 76/85 182/182
MED
NONE - - 35/34 45/45 36/35 173 38/38 50/50 40/40 177 39/39 50/50 41/41 178 43/43 50/50 45/45 182
316A 4.9/6.5 13.6/15.6 35/34 45/45 36/35 173/173 38/38 50/50 40/40 177/177 39/39 50/50 41/41 178/178 43/43 50/50 45/45 182/182
317A 12.0/16.0 33.4/38.5 49/56 50/60 45/51 173/173 54/60 60/60 49/55 177/177 55/62 60/70 51/56 178/178 60/66 60/70 55/61 182/182
318A 18.6/24.8 51.7/59.7 72/82 80/90 66/75 173/173 77/87 80/90 70/79 177/177 78/88 80/90 72/81 178/178 83/93 90/100 76/85 182/182
HIGH
NONE - - 37/37 50/45 39/38 203 41/40 50/50 43/42 207 42/41 50/50 44/43 208 46/45 50/50 49/48 212
316A 4.9/6.5 13.6/15.6 37/37 50/45 39/38 203/203 41/40 50/50 43/42 207/207 42/41 50/50 44/43 208/208 46/45 50/50 49/48 212/212
317A 12.0/16.0 33.4/38.5 53/58 60/60 48/53 203/203 58/63 60/70 53/58 207/207 59/64 60/70 54/59 208/208 64/69 70/70 58/63 212/212
318A 18.6/24.8 51.7/59.7 76/85 80/90 69/78 203/203 81/90 90/90 74/82 207/207 82/91 90/100 75/83 208/208 87/96 90/100 79/88 212/212
4 6 0 --- 3 --- 6 0
STD
NONE - - 20 25 20 87 21 25 22 89 22 25 23 89 24 25 25 91
319A 6.0 7.2 20 25 20 87 21 25 22 89 22 25 23 89 24 25 25 91
320A 14.0 16.8 25 25 23 87 27 30 25 89 28 30 25 89 30 30 27 91
321A 25.5 30.7 42 45 39 87 45 45 41 89 45 45 41 89 47 50 43 91
MED
NONE - - 20 25 20 87 21 25 22 89 22 25 23 89 24 25 25 91
319A 6.0 7.2 20 25 20 87 21 25 22 89 22 25 23 89 24 25 25 91
320A 14.0 16.8 25 25 23 87 27 30 25 89 28 30 25 89 30 30 27 91
321A 25.5 30.7 42 45 39 87 45 45 41 89 45 45 41 89 47 50 43 91
HIGH
NONE - - 20 25 21 103 22 25 23 105 23 25 24 105 24 30 26 107
319A 6.0 7.2 20 25 21 103 22 25 23 105 23 25 24 105 24 30 26 107
320A 14.0 16.8 26 30 24 103 28 30 26 105 29 30 26 105 31 35 28 107
321A 25.5 30.7 44 45 40 103 46 50 42 105 46 50 42 105 49 50 44 107
5 7 5 --- 3 --- 6 0
STD
NONE - - 15 20 16 67 19 20 20 71 17 20 18 69 21 25 22 73
308A 18.0 17.3 26 30 23 67 30 30 27 71 28 30 25 69 32 35 29 73
322A 28.0 26.9 38 40 34 67 42 45 39 71 40 40 36 69 44 45 40 73
MED
NONE - - 15 20 16 67 19 20 20 71 17 20 18 69 21 25 22 73
308A 18.0 17.3 26 30 23 67 30 30 27 71 28 30 25 69 32 35 29 73
322A 28.0 26.9 38 40 34 67 42 45 39 71 40 40 36 69 44 45 40 73
HIGH
NONE - - 17 20 18 80 21 25 22 84 19 20 20 82 23 25 24 86
308A 18.0 17.3 28 30 25 80 32 35 29 84 30 30 27 82 35 35 31 86
322A 28.0 26.9 40 40 36 80 44 45 40 84 42 45 38 82 47 50 42 86
See “Legend and Notes for Tables 18 and 19” on page 60.
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