Emerson EVH Series, Installation Manual

Page: 24 / 52

24
North America cable and fuse sizes – 440 Vac to 500 Vac ratings
Notes:
- Line and motor cable size is selected according to UL 508C Table 40.3 for copper conductor rated 75 °C.
Use only with copper wire rated 75 °Chere. Size requirements for other different wire types are defined in the
National Electrical Code, ANSI/NFPA 70.
- Earthing conductor size is determined by the maximum overcurrent
device rating used ahead of the drive according to UL 508C Table 6.4.
- If power cubes or bypass are used, a UL listed Class RK5, J, T or
equivalent fuse is recommended.
Amp Input current
NEC motor
amp rating
Current
(VT/I
L
) Line and Line and
Frame size suffix
(VT/I
L
)
at 460 V at 40 °C
Recommended
fuse rating
motor Ground motor Ground
FR1 3D3 2.8 3 3 10 14 14 26–10 18–10
4D3 3.2 3.4 3.4 10 14 14 26–10 18–10
5D6 4.5 4.8 4.8 10 14 14 26–10 18–10
7D6 7.1 7.6 7.6 10 14 14 26–10 18–10
9D0 8.4 — 7.6 15 14 14 26–10 18–10
012 10.2 11 11 15 14 14 26-10 18–10
FR2 016 13 14 14 20 12 12 20–6 12–6
023 19.6 21 21 30 10 10 20–6 12–6
031 25.2 27 27 35 8 8 20–6 12–6
FR3 038 31.7 34 34 50 6 8 6–2 14–4
046 37 40 40 60 6 8 6–2 14–4
061 48.1 52 52 80 4 6 6–2 14–4
FR4 072 59.3 65 65 100 4 4 6–1/0 10–1/0
087 70.3 77 77 110 3 4 6–1/0 10–1/0
105 87.6 96 96 125 1 3 6–1/0 10–1/0
FR5 140 114.4 124 124 175 2/0 3 1/0–350 kcmil 8–250 kcmil
170 144 156 156 200 3/0 3 1/0–350 kcmil 8–250 kcmil
205 166.1 180 180 250 250 kcmil 3 1/0–350 kcmil 8–250 kcmil
FR6 261 226.4 240 240 400 2*2/0 3 2*(1/0–300 kcmil) 3–300 kcmil
310 284.9 302 302 400 2*4/0 3 2*(1/0–300 kcmil) 3–300 kcmil
NEC wire size (AWG)
Terminal connection size (AWG)