g
GE
OPM_SGS_ISG_M22_M30_0US_V011.doc
23/38
Installation
Guide
SG Series
225 & 300 kVA
3.8.2 Power
connection
with common input utility
S
G
S
_
22
5-
30
0_
UPS
con
ne
ct
ion
common_GE_01US
N
L3
L2
L1
LO
AD
PE Load
PE
Input rectifier
1 -
IN
PU
T
RE
CT
IF
IE
R
Position of the PE compression lugs in case
the cable input is from the bottom of the UPS
Input rectifier
PE
PE Load
N
L3-1
L2-1
L1-1
Fig. 3.8.2-1 Power connections Common Input Utility
Common Input Rectifier / Bypass
L1-1
Rec Bypass Phase A
L2-1
Rec Bypass Phase B
L3-1
Rec Bypass Phase C
N
Neutral (Bypass)
PE
Ground
Output Load
L1
Load Phase A
L2
Load Phase B
L3
Load Phase C
N
Neutral
PE
Ground
Bus bars
BR1
,
BR2
and
BR3
must remain connected
.
Cable terminations are to the
Rectifier Input Lugs
and
Output Lugs
as shown above.
Connect wire to the
Lugs
using appropriate tools and appropriate torque.
Torque specification for input/output and DC power connections on
Bus Bars
:
Section 3.8.1
.