Installation manual

System Specifications
152936 A–5
This manual is for use by qualified personnel only.
Bolt Sizing and Torque Requirements
Table A-5 provides acceptable bolt sizes, and torque values for AC terminal
connections.
Table A-6 provides acceptable bolt sizes, and torque values to be connected to
the Xantrex GT250 E DC terminal connections.
Table A-5 AC Terminal Bolt Size, and Torque Values
AC Terminal
Connections
Max. # of
Conductors per
Terminal
Bolt
(Hardware)
Size
Torque
Requirement
s
PE (Enclosure
Ground)
21/M1275Nm
(55 lb ft)
L1, L2, L3 6 3/M12 75 Nm
(55 lb ft)
-X2-L1, -X2-L2,
-X2-PE
1 M3 0.6 – 0.8 Nm
(5.3 – 7 lb ft)
Table A-6 DC Terminal Bolt Size, and Torque Values
AC Terminal
Connections
Max. # of
Conductors
per Terminal
Bolt
(Hardware)
Size
Torque
Requirement
s
PV+, PV- 8 4/M12 75 Nm
(55 lb ft)