3.2.2 Fuses/cable cross-sections
Note
Observe local regulations.
Local codes may supersede these recommendations
Type
Recommendations
Fuse
Miniature
circuit
breaker
(1)
Fuse
(2)
or
Breaker
(3)
(N. America)
Input Power Wiring
(L1, L2, L3, PE)
[mm²] [AWG]
120V
1~
(1/N/PE)
174603 M10 A C10 A 10 A 1.5 14
174604, 174652.00 M16 A C16 A 15 A 2.5 14
174605, 174653.00 M25 A C25 A 25 A 4 10
240V
1~
(2/PE)
174603, 174604,174652, 174653
174607, 74606
M10 A C10 A 10 A 1.5 14
174605, 174608 M16 A C16 A 15 A 2.5 14
174609, 174651, 174654, 174657 M20 A C20 A 20 A 2.5 12
174610, 174658 M25 A C25 A 25 A 2.5 12
174611, 174659 M32 A C32A 32 A 4 10
240V
3~
(3/PE)
174607, 174608, 174606 M10 A C10 A 10 A 1.5 14
174609, 174610, 174612, 174613
174651, 174654, 174657, 174658
M16 A C16 A 12 A 1.5 14
174611, 174614, 74659 M20 A C20 A 20 A 2.5 12
174615, 174660 M32 A C32 A 32 A 4.0 10
174616, 174661 M40 A C40 A 35 A 6.0 8
174617, 174662 M50 A C50 A 45 A 10 8
174618 M80 A C80 A 80 A 16 8
174619 M100A C100A 90 A 16 8
400V
or 480V
3~(3/
PE)
174620, 174624, 174671, 174675 M10 A C10 A 10 A 1.5 14
174625, 174676 M16 A C16 A 20 A 2.5 14
174626, 174677 M20 A C20 A 20 A 2.5 14
174627, 174678 M25 A C25 A 25 A 4.0 10
174628 M40 A C40 A 40 A 4 8
174629 M50 A C50 A 50 A 10 8
174630 M63 A C63 A 70 A 10 6
174991 M80 A C80 A 80 A 16 6
174992 M100 A C100 A 100 A 25 4
174710 M125 A C125 A 125 A 35 2
174711 M180 A C160 A 150 A 35 1
600V
3~(3/
PE)
174631, 174632, 174633,
174663, 174665
M10 A C10 A 10 A 1.5 14
174634, 174666 M16 A C16 A 12 A 1.5 14
174635, 174667 M16 A C16 A 15 A 2.5 14
174636, 174668 M20 A C20 A 20 A 2.5 12
174637 M32 A C32 A 30 A 4 10
174638 M40 A C40 A 40 A 4 8
174639 M50 A C50 A 50 A 6 8
174993 M63 A C63 A 60 A 10 8
174994 M80 A C80 A 70 A 16 6
174712 M100 A C100 A 90 A 16 4
174713 M125 A C125 A 110 A 25 2
(1) Installations with high fault current due to large supply mains may require a type D circuit breaker.
(2) UL Class CC or T fast-acting current-limiting type fuses, 200,000 AIC, preferred. Bussman KTK-R, JJN or JJS or equivalent.
(3) Thermomagnetic type breakers preferred.
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