Battery And External Battery Breaker Connection - GE SG 750 UL S2 Series Installation Manual

3.9.4 Battery and External Battery Breaker connection

Fig. 3.9.4-1 SG Series 750 & SG Series 750 T12 power connections Battery
Use M12x35 bolts for the cable connections on BATTERY power wiring Bus Bars.
Battery Cable Terminations are to the Positive and Negative Terminals as shown above.
Connect wire to the Bus Bars using appropriate tools and appropriate torque.
Torque specification for two hole lugs on Bus Bars: see Section 3.9.1.
+ Positive pole of the Battery
Do not insert the Battery Fuses before the commissioning.
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 (steel) conduit!
External Battery Breaker Release
Fig. 3.9.4-2 External battery breaker connection
In either case, fuses or breaker, an auxiliary contact must signalize the closure of breaker or fuse
holder to Input channel 1 of the P4 - Customer Interface (see Section 4.1).
Contact must be open with Battery disconnected (Normally open).
Modifications reserved
OPM_SGS_ISG_M75_M75_2US_V010.doc
+
-
Battery
–
For connection or disconnection of the Battery,
either an external breaker CB with UVR, or external
fuses are required.
In case of the external breaker a release signal, must
be connected to terminal XA (see Fig. 4.1.5-1).
The release signal will allow, after the Rectifier soft-
start, the manual closure of the breaker.
Typical installation using
common NEMA two hole lugs
Negative pole of the Battery
Installation Guide SG Series 750 UL S2 & SG Series 750 T12 UL S2
Page 36/49