APC MGE 300 - Manual (Page 11)

7 MGE™ Galaxy™ 300 10-40 kVA 3:3, 10-30 kVA 3:1 - 380/400/415 V Installation
Connect Communication Cables between the UPS
and Battery Enclosure
External battery temperature (ATIZ) and external battery breaker signal
Note: The ATIZ cable is for external battery temperature detection signal (cable is pre-
installed).
Note: The battery cable is for external battery breaker signal (cable is pre-installed).
Note: The connection of communication cables is only applicable between the UPS and XR1.
For the connection of XR2, follow step 2 only.
1. Run the combined
battery breaker and
ATIZ signal
cable from
the XR connection
terminal as shown.
Note! See the UPS
installation manual for
information on where
to connect the other
end of the cable(s) to
the UPS.
2. Run the four cables
from the XR
connection terminal to
the XR battery breaker
(see the below table for
cable description).
Cable description (step 2)
Cable color Cable label Description
Yellow QB OF-11 CB contactor signal
White QB OF-14 CB contactor signal
Red QB OF-D4 +12 V power supply
Black QB OF-D1 -12 V power supply
Front view
Battery breaker signal
cable to the UPS
To the UPS


Battery
enclosure