GE Industrial Solutions SG Series 400 & 500 Installation Guide - Manual (Page 24)

3.8.2 Power connection with common input utility
PE
SGSU
_400-
500_S
2_UPS
conn
ection
com
mon_
GE_01
US
Position of the PE bolt in case the
cable input is from the bottom of the UPS
PE
PE Input Utility
PE Load
PE
Typical installation using
common NEMA two hole lugs
Utility Neutral
Load Neutral
L3-1
1 - INPUT UTILITY
RECTIFIER & BYPASS
L1-1
L2-1
Typical installation using
common NEMA two hole lugs
Load
L1
L2
L3
+
-
Fig. 3.8.2-1 Power connection with Common Input Utility
Use 1/2” 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 3.8.1.
Common Input Rectifier / Bypass
L1-1 Rectifier + Bypass Phase A
L2-1 Rectifier + Bypass Phase B
L3-1 Rectifier + Bypass Phase C
N Utility Neutral PE Input Utility Ground
The interconnection bus bars BR1, BR2 and BR3 MUST REMAIN CONNECTED (see Fig.
3.8.3-3).
Output Load
L1 Load Phase A L2 Load Phase B L3 Load Phase C
N Load Neutral PE Load Load Ground
Modifications reserved Page 24/41
OPM_SGS_ISG_M40_M50_2US_V021.doc User Manual SG Series 400 & 500 UL S2