Hitachi GR2000 Series Installation Manual page 366

Figure 6-53 Terminal Board/Wire Dimensions for DC Input to GR2000-20H
6.4.2.6 GR2000-4
Figure 6-54 shows how to connect the input power cable to GR2000-4, which
accepts only AC input (100V or 200V). The steps are as follows:
1. Ensure that the power switch in the rear end of the chassis is in the O (out)
position. When the power supply is duplexed (redundant), make sure in two
positions.
9.3 Min.
Unit: mm
ø6.4 Min.