Xantrex Technology XW4548-120/240-60 Inverter Grounding, Backfeed Protection Requirements, In-lbs

Step 4: Wiring the Inverter

Torque Values for the XW Power Distribution Panel

Table 2-7	Torque Values for AC Disconnects and AC Breakers
Wire Size		Torque Value
AWG		In-lb	N-m
16–10		45	5
8		45	5
6–4		45	5

Table 2-8Torque Values for the Ground Bus, AC Neutral Bus, DC Negative Bus, and DC Positive Bus in the XW Power Distribution Panel

Wire Size		Torque Value
AWG		In-lbs	N-m
14 - 10		35	4.0
8		40	4.5
6	- 4	45	5.1
3	- 2/0	50	5.6

Table 2-9Torque Values for the Power Distribution Bars in the XW Power Distribution Panel

Wire Size		Torque Value
AWG		In-lbs	N-m
14 - 10		35	4.0
8		40	4.5
6	- 4	45	5.1
3	- 2/0	50	5.6

Table 2-10Torque Values for the Battery Cables to the DC Negative Bus, and DC

Positive Bus in the XW Power Distribution Panel

	Torque Value
Ft-lbs		N-m
15		20.4

Inverter Grounding

Important: The grounding requirements vary by country and by application. All installations must comply with national and local codes. Consult local and national codes for specific grounding and bonding requirements for the desired installation.

Backfeed Protection Requirements

Important: Installers must make allowance for the amount of power that can be fed into a distribution panel and the means and location for feed-in, in accordance with NEC 2005 article 690.64 or similar requirements of the local electrical code.

975-0239-01-01 2–11