Installation – LEESON SM4 Series Flux Vector User Manual
Page 16
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Installation
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.