APC MW II manual Battery cables connection, Hole distance AC

1.With the top covers removed, drill holes for AC, PE and Battery grommets in areas shown.

2.Re-fit the covers and install the grommets.

3.Feed AC and PE cables through grommets in the Control/Input/Output Section.

Hole distance DC
Cable lug	Busbar
44.45 mm	44.45 mm
35.8 mm	fl 13

Hole distance AC
Cable lug	Busbar
44.45 mm	44.45 mm
58 mm	fl 13

Hole distance grounding
Cable lug	Busbar
44.45 mm	44.45 mm
46.99 mm	M10 stud

4.Connect PE cable.

5.Connect AC IN cables to normal power and bypass power.

6.Connect AC OUT cables.

Battery cables connection

Warning: Make sure that the battery breakers are open (OFF) prior to running the cables.

Caution: For battery installation and maintenance instructions, refer to the battery manufacturer’s installation manual.

Caution: Over-current protection for the battery circuit is required by code. The minimum DC voltage rating of the battery supply over-current protection device is 500 V.

Note: Over-current protection for the battery circuit is required by national wiring rules.

8 Symmetra MW II 1200 kW 3 x 400/230 V Installation - 990-1979E-001