Forum Discussion

tlaffourtit's avatar
tlaffourtit
Nomad
Sep 08, 2014

inverter, batteries,converter,tranfer switch, etc.

We own a 2015 thor ace 30.2 motor home. We are installing a 5000w pure sine wave inverter using 870ah batteries(12v). We are using 12v batteries because I was given them for free and they are deep ce...
time2roll's avatar
time2roll
Nomad
Sep 10, 2014
300 amp class-T and a single 4/0 connection should be fine. Fuse it to protect the wire not the inverter. Inverter is feeding a 30 amp breaker so you are not going over 3600w except a start surge. Class-T is not going to open immediately for a surge.

Custom cables, fuses, fuse blocks, bus bar... I buy them here:
http://www.genuinedealz.com/custom-cables

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,333 PostsLatest Activity: Nov 07, 2025