GE Industrial Solutions SG Series 10 – 20 – 30 – 40 kVA Installation Guide - Manual (Page 28)

3.8.3 Power connection with common input utility of SG Series 30 & 40 kVA
L1-1
X1
RECTIFIER
1 -
INPUT
L1
LOAD
PE
PE
SGT
5000
_030
-040_
UP
S c
onn
e
c
ti
on
com
m
o
n_0
1U
S
L2
L3
N
L2-1
L3-1
N
OFF
ON
O FF
ON
&
BYPASS
Fig. 3.8.3-1 Power connections Common Input Utility of SG Series 30 & 40 kVA
SG Series 30 & 40 kVA Max. rating X1 terminals: 1 AWG (50mm 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 28/45
OPM_SGS_ISG_10K_40K_0US_V040.doc Installation Guide SG Series 10 –20 – 30 - 40 kVA