Xantrex Technology PV100S-208 manual Wire Gauge and Torque Requirements, TB2

Specifications

Wire Gauge and Torque Requirements

Table A-4provides acceptable wire gauges, bolt sizes, and torque values for AC terminal connections.

Table A-4AC Terminal Wire Gauge, Bolt Size, and Torque Values

AC Terminal	Acceptable Wire Size	Bolt (Hardware) Size		Torque Requirements
Connections	Range (both models)	PV100S-208	PV100S-480	PV100S-208	PV100S-480
TB1	500MCM to #4 AWG	3/8-16	3/8-16	420 in-lb	420 in-lb
(Chassis Ground)	(1 stud per pole)			(47.5 Nm)	(47.5 Nm)
TB2	500MCM to #4 AWG	3/8-16	3/8-16	420 in-lb	420 in-lb
(System Ground)	(1 stud per pole)			(47.5 Nm)	(47.5 Nm)
TB6 (Neutral)	500MCM to #4 AWG	3/8-16	3/8-16	228 in-lb	228 in-lb
	(1 stud per pole)			(25.7 Nm)	(25.7 Nm)
S1-2T1, S1-4T2,	350MCM to #6 AWG	M10*	M8*	310 in-lb	115 in-lb
S1-6T3	(1 stud per pole)			(35.0 Nm)	(13.0 Nm)
T6-X1, T6-X2,	350MCM to #6 AWG	3/8-16	3/8-16	420 in-lb	420 in-lb
T6-X3	(1 stud per pole)			(47.5 Nm)	(47.5 Nm)
TB4-A, TB4-B,	350MCM to #4 AWG	5/16 Hex	5/16 Hex	275 in-lb	275 in-lb
TB4-C	(2 openings per pole)			(31 Nm)	(31 Nm)

*See Cautionary note in the PV100S 100 kW Grid-tied Photovoltaic Inverter Planning and Installation Manual regarding hardware length.

Table A-5provides acceptable wire gauges, bolt sizes, and torque values to be connected to the PV100S DC terminal connections.

Table A-5DC Terminal Wire Gauge, Bolt Size, and Torque Values

	Acceptable Wire	Bolt (Hardware) Size		Torque Requirements
DC Terminal	Size Range
Connections	(both models)	PV100S-208	PV100S-480	PV100S-208	PV100S-480
TB3-1, TB3-2,	500MCM to #4 AWG	7/16 Hex	7/16 Hex	500 in-lb	500 in-lb
TB3-3	(2 openings per pole)			(56.5 Nm)	(56.5 Nm)

A–4 152379 Rev C