Battery And External Battery Breaker Connection - GE SG 400 Series Installation Manual

3.8.4 Battery and External Battery Breaker connection

Use 1/2" 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 3.8.1.
+
Positive pole of the battery
- Negative pole of the battery
PE Battery ground
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. 3.8.4-2 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). When multiple strings /
cabinets are used, the auxiliary contacts from the breakers are to be connected in series.
Contact must be open with Battery disconnected (Normally Open).
Modifications reserved
OPM_SGS_ISG_M40_M50_2US_V021.doc
PE
common NEMA two hole lugs
+
-
Fig. 3.8.4-1 Power connections Battery
Battery connection
Typical installation using
Do not insert the Battery Fuses before the
commissioning!
For connection or disconnection of the
Battery an external breaker CB with UVR
is required.
The UVR of the external breaker must be
connected to terminal XA (see Fig. 4.1.7-1).
The release signal will allow, after the
Rectifier soft-start, the manual closure of
the breaker.
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User Manual SG Series 400 & 500 UL S2