Installation Guide Manual

3.8.4 Battery connection
SGT5000_050-080_UPS connection battery_02US
X3
+
PE
BATTERY
_
Fig. 3.8.4-1 Power connections battery
SG Series 50 & 80kVA Max. rating Battery terminals: 4/0 AWG (95mm
2
)
Battery
+ –
Positive pole of the Battery Negative pole of the Battery
Do not insert the Battery Fuses before the commissioning.
Battery cable terminations are to the Positive and Negative 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 !
To meet standards concerning electromagnetic compliance, the connection
between the UPS and external battery must be done by using a shielded cable or
suitable shielded (metal) conduit!
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 for, the secondary of the
transformer must be wye-configured with neutral solidly grounded.
Modifications reserved Page 27/38
OPM_SGS_ISG_50K_80K_0US_V040.doc Installation Guide SG Series 50 & 80 kVA