Chapter 7 Optional AccessoriesC2000-HS
7-5
7-2 Non-fuse Circuit Breaker
Comply with UL standard: Per UL 508, paragraph 45.8.4, part a.
The rated current of the breaker shall be 1.6–2.6 times of the maximum rated input current of AC
motor drive.
3-phase 460V
Model
Recommended
non-fuse breaker [A]
VFD300C43S-HS 125
VFD370C43S-HS 150
VFD750C43A-HS 300
VFD1100C43A-HS 400
VFD1600C43A-HS 600
VFD2200C43A-HS 800
VFD3550C43A-HS 1350
7-3 Fuse Specification Chart (Fuse specifications lower than the table below are allowed)
For installation in the United States, branch circuit protection must be provided in accordance with
the National Electrical Code (NEC) and any applicable local codes. Use UL classified fuses to
fulfill this requirement.
For installation in Canada, branch circuit protection must be provided in accordance with
Canadian Electrical Code and any applicable provincial codes. Use UL classified fuses to fulfill
this requirement.
460V Model
Line Fuse
I [A] Bussmann P/N
VFD300C43S-HS 150 JJS-150
VFD370C43S-HS 175 JJS-175
VFD750C43A-HS 350 JJS-350
VFD1100C43A-HS 450 JJS-450
VFD1600C43A-HS 700 KTU-700
VFD2200C43A-HS 800 KTU-800
VFD3550C43A-HS 1400 KTU-1400
Table 7-3
Table 7-4
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