GE_UPS_OPM_SGS_ISG_10K_40K_0US_V070.docx
Installation Guide SG Series 10-20-30-40 UL S
3.8.4 Power connection dual input utility of SG Series 10 & 20
Fig. 3.8.4-1 Power connections Dual Input Utility of SG Series 10 & 20
SG Series 10 & 20: Max. rating X1 and X2 terminals: 3 AWG (25mm
2
)
Dual Input Configuration Rectifier / Bypass
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. 3.8.4-2).
Cable terminations are to the Rectifier / Bypass Input Terminals and Load 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.
SGT5000_010-020_UPS connection separate_01US
L3
L1
L2
2- INPUT BYPASS
L1-2
L2-2
L3-2
X2
N
L1-1
1 - INPUT LOAD
PE
L3-1
L2-1
N - Bypass
L2
L1
L3
RECTIFIER
X1
PE