SIEMENS
SINAMICS DCM
Accessories and supplementary components
Line fuses
4/14
Siemens D 23.1 · 2014
4
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Overview
3NE1 SITOR double protection fuses allow the cable and
semiconductor protection to be implemented with just one fuse.
This results in significant cost savings and shorter assembly
times.
An overview of the fuses required for the armature and field circuits is provided in the following table.
■
Selection and ordering data
For technical specifications, engineering data as well as
dimensional drawings for Siemens fuses, please refer to Catalog
LV 10.1
"Low-Voltage Power Distribution and Electrical Installation
Technology".
In order to ensure UL-compliant protection of units, it is essential
that you use UL-listed or UL-recognized fuses.
Fuses for the field circuit
Recommended fuses for the field circuit
Fuses for the armature circuit
Units, two-quadrant operation: 400 V, 575 V, 690 V, 830 V and 950 V
Phase fuses
Fuse
Armature circuit
Field circuit
< 900 A
≥
900 A
Two-quadrant operation
Four-quadrant opera-
tion
Two-quadrant operation
Four-quadrant opera-
tion
Phase fuse
Required
Required
–
–
Required
Arm fuse
–
–
Integrated in the unit
Integrated in the unit
–
DC fuse
–
Required
–
–
–
Rated DC current for
converter unit
Max. field current
2 Siemens fuses
2 Bussmann fuses
FWP 700V
U
Article No.
Article No.
A
A
per unit
A
per unit
A
15
3
5SD420
16
FWP-5B
5
30
5
5SD420
16
FWP-5B
5
60 … 125
10
5SD420
16
FWP-15B
15
210 … 280
15
5SD440
25
FWP-20B
20
400 … 600
25
5SD440
25
FWP-30B
30
710 … 850
30
5SD480
30
FWP-35B
35
900 … 3000
40
3NE1802-0
1)
40
FWP-50B
50
1500 … 3000
with option L85
85
3NE8021-1
1)
100
FWP-100B
100
Unit
3 phase fuses Siemens
U
Type
I
/
V
Article No.
I
/
V
A/V
per unit
A/V
6RA8025-6DS22-0AA0
60/400
3NE1817-0
50/690
6RA8025-6GS22-0AA0
60/575
3NE1817-0
50/690
6RA8028-6DS22-0AA0
90/400
3NE1820-0
80/690
6RA8031-6DS22-0AA0
125/400
3NE1021-0
100/690
6RA8031-6GS22-0AA0
125/575
3NE1021-0
100/690
6RA8075-6DS22-0AA0
210/400
3NE3227
250/1000
6RA8075-6GS22-0AA0
210/575
3NE3227
250/1000
6RA8078-6DS22-0AA0
280/400
3NE3231
350/1000
6RA8081-6DS22-0AA0
400/400
3NE3233
450/1000
6RA8081-6GS22-0AA0
400/575
3NE3233
450/1000
6RA8085-6DS22-0AA0
600/400
3NE3336
630/1000
6RA8085-6GS22-0AA0
600/575
3NE3336
630/1000
6RA8087-6DS22-0AA0
850/400
3NE3338-8
800/800
6RA8087-6GS22-0AA0
800/575
3NE3338-8
800/800
6RA8086-6KS22-0AA0
720/690
3NE3337-8
710/900
1)
UL-recognized
© Siemens AG 2014