Rockwell Automation SB3000 High Pwr SB3000 AC Pwr Modules (RCS) - Manual (Page 56)

4-22 SB3000 Power Modules (RCS)
Step 4. Disconnect the AC input leads from terminals 181 (L1), 182 (L2), and 183
(L3). Disconnect the GND wire from the ground terminal. See figure 3.4.
Step 5. Disconnect the AC input line (two-wire 115 VAC with ground) from the L1 (L),
L2 (N), and GND terminals on the control power board. See figure 3.4.
Step 6. Disconnect the DC bus from terminals 45 and 47. See figure 3.4.
Step 7. Remove the SB3000 Power Module cabinet.
Step 8. Install the replacement SB3000 Power Module cabinet by performing these
steps in reverse order.