Rockwell Automation SD3100 DISTRIB PWR SYS SD3100 DC PWR MODULE User Manual
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Mechanical/Electrical Description
2-11
Table 2.2 – 1250A Power Module Symbol-to-Component Reference
Symbol
Description
Option
460 VAC
575 VAC
660 VAC
A1(+), A2(-)
Armature outputs
A11F - A16F Armature pulse transformer PCB
A11R - A16R Armature pulse transformer PCB
ACT1, ACT3 Line current transformers
2000:1
CB11
Circuit breaker
∗
1200A, N-frame
F51 - F53
AC line fuses
1
1. Note that if the 1250A unit has the AC line fuse option, the 1650A unit’s busbars are used in place of the standard 1250A busbars. See
Appendix A for busbar illustrations.
∗
1200A, KRPC
D1
M1 bridge diode
EA4
Line RC suppressor
∗
F1 - F3
Control branch/feedback PCB fuses
1A KTK
1A KTK
10A A70P
F7 - F12,
F7A - F12A
Armature bridge cell fuses
$ 9 0
F14, F15
Control power transformer, primary
fuses
$ ./'5 9
10A, 1500V
Form 101-Type 4
F16
Control power xfmr, secondary fuse
9A KLDR, 600V
F17 - F19,
F27 - F29
Blower motor fuses
∗
F31 - F33
Line RC snubber fuses
∗
25A KTK
25A KTK
25A A70P
FU-A, FU-B
External field isolation
transformer fuses
15A unit: 30A, 700V
60A unit: 100A, 700V
FWD
Forward gate connector
REV
Reverse gate connector
M1
DC armature contactor
1800A
M11, M12
Blower motor starters
∗
MP
Main pilot for pilot relay
PP1 - 6
Armature power poles
PT2
Control transformer
2kVA
R1
M1 suppressor resistor
1k
Ω, 50Ω
SP1 - 3
Line-to-line MOVs
460J, 320VAC 550J, 385VAC 600J, 420VAC
SP4
Neutral-to-ground MOV
760J, 680VAC 760J, 680VAC 1050J, 750VAC
TB1-FAN
Bridge fan & capacitor terminal block
TB1
Armature feedback terminal block
TB2
Field terminal block
TB3
Control power terminal block
TB4
Drive I/O terminal block
TB5
Resolver feedback terminal block
TB6
Meter ports connector