To comply with UL Standards, install a fuse for the DC power supply input.
Figure 1 shows a wiring example for a DC power supply that has two drives connected in parallel.
Figure 1. Wiring Example for DC Power Supply Input
| Warning |
|
Electrical Shock Hazard
Do not ground the main circuit bus.
Incorrect wiring can cause serious injury or death.
|
Note:
Install a fuse for each drive when operating more than one drive. If one fuse blows, replace all fuses.
Refer to Table 1 and Table 2 for the recommended fuses.
Table 1. Recommended Fuse (Three-Phase 200 V Class)
|
Drive Model
|
Fuse
Manufacturer: Bussmann
|
|
Model
|
Qty
|
|
2004
|
FWH-45B
|
2
|
|
2006
|
FWH-45B
|
2
|
|
2008
|
FWH-45B
|
2
|
|
2010
|
FWH-45B
|
2
|
|
2012
|
FWH-50B
FWH-80B1
FWH-100B1
|
2
|
|
2018
|
FWH-80B
FWH-100B1
|
2
|
|
2021
|
FWH-80B
FWH-100B1
|
2
|
|
2030
|
FWH-125B
|
2
|
|
2042
|
FWH-150B
|
2
|
|
2056
|
FWH-200B
|
2
|
|
2070
|
FWH-225A
|
2
|
|
2082
|
FWH-250A
|
2
|
|
2110
|
FWH-250A
|
2
|
|
2138
|
FWH-300A
|
2
|
|
2169
|
FWH-350A
|
2
|
|
2211
|
FWH-450A
|
2
|
|
2257
|
FWH-600A
|
2
|
|
2313
|
FWH-800A
|
2
|
|
2360
|
FWH-1000B
|
2
|
|
2415
|
FWH-1000B
|
2
|
Table 2. Recommended Fuse (Three-Phase 400 V Class)
|
Drive Model
|
Fuse
Manufacturer: Bussmann
|
|
Model
|
Qty
|
|
4002
|
FWH-50B
|
2
|
|
4004
|
FWH-50B
|
2
|
|
4005
|
FWH-50B
|
2
|
|
4007
|
FWH-60B
|
2
|
|
4009
|
FWH-60B
|
2
|
|
4012
|
FWH-60B
|
2
|
|
4018
|
FWH-80B
|
2
|
|
4023
|
FWH-90B
|
2
|
|
4031
|
FWH-150B
|
2
|
|
4038
|
FWH-200B
|
2
|
|
4044
|
FWH-200B
|
2
|
|
4060
|
FWH-225A
|
2
|
|
4075
|
FWH-250A
|
2
|
|
4089
|
FWH-275A
|
2
|
|
4103
|
FWH-275A
|
2
|
|
4140
|
FWH-300A
FWH-325A1
|
2
|
|
4168
|
FWH-400A
FWH-450A1
|
2
|
|
4208
|
FWH-500A
FWH-600A1
|
2
|
|
4250
|
FWH-600A
FWH-700A1
|
2
|
|
4296
|
FWH-700A
FWH-800A1
|
2
|
|
4371
|
FWH-800A
FWH-1000B1
|
2
|
|
4389
|
FWH-1000B
FWH-1200B1
|
2
|
|
4453
|
FWH-1200B
FWH-1400A1
|
2
|
|
4568
|
FWH-1200B
FWH-1600A1
|
2
|
|
4675
|
FWH-1600A
|
2
|
|
4810
|
-
|
-
|
|
4930
|
-
|
-
|
|
4H11
|
-
|
-
|
|
4H12
|
-
|
-
|