Modifications reserved
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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
3.9.2 Power connection with common input utility
-
+
Neutral Load
Neutral Utility (Bypass)
SG
S_
75
0_U
P
S
connec
tio
n
common_G
E_01
_U
S
PE Input Utility
PE Load
Typical installation using
common NEMA two hole lugs
PE Load
PE Input Utility
LOAD
L3
1 - INPUT UTILITY
RECTIFIER & BYPASS
L1-1
L2-1
L3-1
Typical installation using
common NEMA two hole lugs
L2
L1
bus bars are done, the
PHASE BARRIER NOMEX SHEET
must be screwed onto the bus bars
After cable connections to the
wit 2 bolts M4x10
BR
1,
BR
2 a
nd
BR3
Fig. 3.9.2-1 SG Series 750 & SG Series 750 T12 power connections Common Input Utility
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
.
Common Input Rectifier / Bypass
L1-1
Rec Bypass Phase A
L2-1
Rec Bypass Phase B
L3-1
Rec Bypass Phase C
N
Utility Neutral (Bypass)
PE Input Utility
Ground
The interconnection bus bars
BR1
,
BR2
and
BR3
MUST REMAIN CONNECTED (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