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

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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

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