GE Industrial Solutions SG Series 750 T12 UL S2 Installation Guide - Manual (Page 33)

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OPM_SGS_ISG_M75_M75_2US_V010.doc Installation Guide SG Series 750 UL S2 & SG Series 750 T12 UL S2
3.9.3 Power connection dual input utility (option)
SGS
_
750_S2_U
P
S
c
onnec
tion s
epara
te_G
E_
01_U
S
PE Load
PE Input Utility
L1-1
1 - INPUT UTILITY RECTIFIER
L3-1
L2-1
+
common NEMA two hole lugs
Typical installation using
-
PE Load
PE Input Utility
L2
Neutral Utility (Bypass)
Neutral Load
L3
LOAD
L1
must be screwed onto the bus bars
wit 2 bolts M4x10
Typical installation using
common NEMA two hole lugs
PHASE BARRIER NOMEX SHEET
After cable connections to the
bus bars are done, the
In
ca
se
of
du
al
in
pu
t u
tilit
y
MUST BE
REM
O
V
ED
!
BR
1,
BR
2 a
nd
BR
3
L1-2
2 - INPUT UTILITY BYPASS L2-2
L3-3
(option)
Fig. 3.9.3-1 SG Series 750 & SG Series 750 T12 power connections Dual Input Utility (option)
Use M12x35 bolts for the cable connections on INPUT / OUTPUT power wiring Bus Bars.
Cable terminations are to the Rectifier Input / Output Bus Bars as shown above.
Connect wire to the Bus Bars using appropriate tools and appropriate torque.
Torque specification for two hole lugs on Bus Bars: see Section 3.9.1.
Dual Input Configuration Rectifier / Bypass (option)
L1-1 Rectifier Phase A L1-2 Bypass Phase A
L2-1 Rectifier Phase B L2-2 Bypass Phase B
L3-1 Rectifier Phase C L3-2 Bypass Phase C
PE Input Utility Ground N - Bypass Bypass Neutral
For dual input configurations, a neutral conductor is required from the bypass source
only. The interconnection links BR1, BR2 and BR3 MUST BE REMOVED (see Fig. 3.9.3-3).
Output Load
L1 Load Phase A L2 Load Phase B L3 Load Phase C
N Load Neutral PE Load Load Ground