Installation and Operation Guide SOLECTRIA
®
XGI 1500-250 Series Inverters
DOCR-071074 (Rev 7, 30 MAY 2023)
22 of 72
AC Connections
The AC connections consist of the 3 AC Phases (L1, L2, and L3) and Ground. AC wires must be rated for at
least 600 VAC. Use wires within the ranges shown in Table 3-2, and sized as required to comply with local
codes and the National Electrical Code.
Table 3-2 AC Connection Specifications
XGI 1500-250/250-600, XGI 1500-225-600
XGI 1500-200/200-480, XGI 1500-175-480
AC Output Conductors
(L1, L2, L3)
Range Allowed
Cu and Alum: Min: Per NEC
Max: 600 kcmil, 1 or 2 conductors with lugs
Neutral (Bonded to
Ground)
Range Allowed
Cu and Alum: Min: Per NEC
Max: 1/0 AWG
Electric Shock Hazard
Components with hazardous voltage and energy will electrocute the operator.
Ensure AC power doesn’t flow into inverter. Verify with a multi-meter.
Turn the AC Switch OFF before wiring. Wire the AC Connections as shown in Figure 3-143.
For the AC connections, use compression lugs with a single hole for a ½ in or M12 stud and sized for the wire
gauge used. The width of the lugs must be 1.5 in (38 mm) or less. Torque to 220 in-lbs (25 N-m) using an
18mm socket and torque driver. A hex nut and washer are provided. The terminal block accepts single or
parallel conductor sets. See Figure 3-13 for the hardware assembly instructions.