Power Connection With Common Input Utility - GE SG 750 UL S2 Series Installation Manual

3.9.2 Power connection with common input utility

PE Input Utility
PE Load
PE Input Utility
PE Load
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.
L1-1 Rectifier + Bypass Phase A
L2-1 Rectifier + Bypass Phase B
L3-1 Rectifier + Bypass Phase C
N Utility Neutral (Bypass)
The interconnection bus bars BR1, BR2 and BR3 MUST REMAIN CONNECTED (see Fig.
3.9.3-3).
L1
Load Phase A
N
Load Neutral
Modifications reserved
OPM_SGS_ISG_M75_M75_2US_V010.doc
Typical installation using
common NEMA two hole lugs
Typical installation using
common NEMA two hole lugs
Common Input Rectifier / Bypass
Output Load
L2
PE Load
+
-
PE Input Utility
Load Phase B
Load Ground
Installation Guide SG Series 750 UL S2 & SG Series 750 T12 UL S2
After cable connections to the
bus bars are done, the
PHASE BARRIER NOMEX SHEET
must be screwed onto the bus bars
wit 2 bolts M4x10
L1
L2
LOAD
L3
Neutral Load
Neutral Utility (Bypass)
L1-1
L2-1
1 - INPUT UTILITY
RECTIFIER & BYPASS
L3-1
Ground
L3
Load Phase C
Page 31/49