Installation manual

Introduction
1–8 153396 Revision D
This manual is for use by qualified installers only
DC Terminals
The terminals provide seven holes with space for fourteen cables with a M10
bore diameter per pole (see Table A-7 on page A–6 for torque requirements).
The table below describes the DC terminal polarity for each Xantrex GT250
model.
Figure 1-5 DC Terminals
TB5
(PV GND)
TB3 TB4
Table 1-1 DC Terminal Polarity
Model TB3 TB4 TB5
Xantrex GT250 480 PV+ PV– PV GND
Xantrex GT250 480 PG PV– PV+ PV GND
Xantrex GT250 600 PV+ PV– PV GND