GE_UPS_OPM_SGS_ISG_10K_40K_0US_V070.docx
Installation Guide SG Series 10-20-30-40 UL S
3.8.3 Power connection with common input utility of SG Series 30 & 40
Fig. 3.8.3-1 Power connections Common Input Utility of SG Series 30 & 40
SG Series 30 & 40 Max. rating X1 terminals: 1 AWG (50mm
2
)
Common Input Rectifier / Bypass
Rectifier + Bypass Phase A
Rectifier + Bypass Phase B
Rectifier + Bypass Phase C
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.
L1-1
X1
RECTIFIER
1 -
INPUT
L1
LOAD
PE
PE
SGT5000_030-040_UPS connection common_01US
L2
L3
N
L2-1
L3-1
N
OFF
ON
OFF
ON
&
BYPASS