GE Industrial Solutions SG Series 10 – 20 – 30 – 40 kVA Installation Guide - Manual (Page 27)

3.8.2 Power connection with common input utility of SG Series 10 & 20 kVA
S
G
T5000_
010-
020_
U
P
S
conn
e
c
ti
on c
o
m
m
o
n_01
US
N
L1-1
1 -
IN
PU
T
L
OA
D
PE
L3-1
L2-1
N
L2
L1
L3
RECTIF
IER
X1
PE
&
BY
P
A
SS
Fig. 3.8.2-1 Power connections Common Input Utility of SG Series 10 & 20 kVA
SG Series 10 & 20 kVA Max. rating X1 terminals: 3 AWG (25mm 2 )
Common Input Rectifier / Bypass
L1-1 Rectifier + Bypass Phase A
L2-1 Rectifier + Bypass Phase B
L3-1 Rectifier + Bypass Phase C
N PE Neutral Ground
Output Load
L1 Load Phase A L2 Load Phase B L3 Load Phase C
N PE Load Neutral Load Ground
The interconnection links BR1, BR2 and BR3 MUST REMAIN CONNECTED.
Cable terminations are to the Rectifier Input Terminals and Output Terminals as shown above.
Connect wire to the Terminals using appropriate tools and appropriate torque.
Torque specification for Input / Output and DC power connections on Terminals: see Section 3.8.1.
NOTE !
This UPS is only designed to operate in a wye-configured electrical system with a
solidly grounded neutral.
If the UPS is equipped with an input transformer, the secondary of the transformer
must be wye-configured with neutral solidly grounded.
Modifications reserved Page 27/45
OPM_SGS_ISG_10K_40K_0US_V040.doc Installation Guide SG Series 10 –20 – 30 - 40 kVA