GE Industrial Solutions SG Series 225 & 300 Installation Guide - Manual (Page 25)

3.8.3 Power connection dual input utility (option)
A
PE Load
PE
Input utility
L1
LO
AD
L2
L3
N
PE Load
PE Input utility
1 - I
N
PUT REC
TIFIER
L2-1
L3-1
L1-1
N - Bypass
2 - IN
PU
T BY
PA
SS
(opti
on)
L3-2
L2-2
Typical installation using
common NEMA two hole lugs
L1-2
A
SGS_2
25-30
0_S2_
UPS co
nnectio
n sepa
rate_G
E_01U
S
Fig. 3.8.3-1 Power connections Dual Input Utility (option)
Fix the cables on accessory “A” with the enclosed cable ties.
Cable terminations are to the Rectifier/Bypass Input Lugs and Load 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: see Section 3.8.1.
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. 3.8.3-3).
Output Load
L1 Load Phase A L2 Load Phase B L3 Load Phase C
N PE Load Load Neutral Load Ground
Modifications reserved Page 25/40
OPM_SGS_ISG_M22_M30_2US_V010.doc Installation Guide SG Series 225 & 300 UL S2