9 circuit protection, 1 fuses, Figure 4.9.1.1: position of the super fast fuses – GE Industrial Solutions DV-300 DC Drive Users Manual User Manual
Page 67: 9 circuit protection 4.9.1 fuses

DV-300 Adjustable Speed Drives
——— WIRING PROCEDURES ———
4
23
4.9 CIRCuIT pROTECTION
4.9.1 Fuses
Fuses of the power section
M
U
V
W
C
D
U1
V1
C1
D1
A
B
D
560 ... 850 A American
M
U
V
W
C
D
U1
V1
C1
D1
C
D
Note:
These fuses (D)
are internal for
american drives
Note:
These fuses (D)
are internal for
american drives
770 ... 1050 A European
20 ... 650 A European
17 ... 450 A American
Figure 4.9.1.1: Position of the super fast fuses
For protection of the bridge thristors use fast acting fuses. The following recommended fuses are externally
mounted. Models 6KDV3560..., 6KDV3770... and higher, HAVE internally mounted fuses provided (Code C
on table 4.8.1.1).
n
ote
!
The 6KDV3 ... QB2... and 6KDV3 ...Q4F... Drives (500V AC input supply) have the field
converter fuses internally mounted. The fuses type for the different sizes of converter are
the following:
6KDV3 size up to 56 / 70 A *
Bussman
FWH-015A6F
6KDV3 size 88 / 110 ... 850 / 1050 A *
Bussman
FWC 25A10F
Gould Shawmut
A60Q25-2
* American / European