RV.Net Open Roads Forum: Truck Campers: Sine Wave Inverter Help

RV Blog

  |  

RV Sales

  |  

Campgrounds

  |  

RV Parks

  |  

RV Club

  |  

RV Buyers Guide

  |  

Roadside Assistance

  |  

Extended Service Plan

  |  

RV Travel Assistance

  |  

RV Credit Card

  |  

RV Loans

Open Roads Forum Already a member? Login here.   If not, Register Today!  |  Help

Newest  |  Active  |  Popular  |  RVing FAQ Forum Rules  |  Forum Help and Support  |  Contact

Search:   Advanced Search

Search only in Truck Campers

Open Roads Forum  >  Truck Campers

 > Sine Wave Inverter Help

This Topic Is Closed  |  Print Topic  |  Post New Topic  | 
Page of 5  
Prev  |  Next
Sponsored By:
camperpaul

Wherever I park my travel trailer

Senior Member

Joined: 05/10/2006

View Profile


Offline
Posted: 03/23/12 10:43am Link  |  Print  |  Notify Moderator

Reddog1 wrote:

Perhaps I am just too much overkill with my #4 battery cables, but in comparison those cables sure look small.

Wayne


IMO #4 is too small.

1. Use the largest practical wire size.

2. Use the shortest practical wire length.

3. DO NOT coil up the excess wire; its a fire waiting to happen.


Paul
Extra Class Ham Radio operator - K9ERG (since 1956)
Retired Electronics Engineer and Antenna Designer
Was a campground host at IBSP (2006-2010) - now retired.
Single - Full-timer
2005 Four Winds 29Q
1982 6.2L Diesel Suburban 1500


tkcrawford

Edmonton, Alberta

Senior Member

Joined: 05/30/2009

View Profile



Posted: 03/23/12 11:03am Link  |  Print  |  Notify Moderator

Reddog1 wrote:

Perhaps I am just too much overkill with my #4 battery cables, but in comparison those cables sure look small.

Wayne



I agree those cable look way too small for a 3000 watt inverter. Go Power recommends 4/0 gauge wire with a 400 amp fuse for their 3000 watt inverter.

Just last week I installed a Xantrex Prowatt SW 1000W inverter and used 1 gauge welding cable for power, routed through a 1000 amp disconnect switch and a 150 amp auto-resetting circuit breaker.


2004 Dodge Laramie 3500 Dually, CTD 305/555, Quad Cab, 4x4, NV5600
2008 Eagle Cap 995


bigfootford

Fair Oaks, California

Senior Member

Joined: 12/03/2002

View Profile



Good Sam RV Club Member


Posted: 03/23/12 11:09am Link  |  Print  |  Notify Moderator

Reddog1 wrote:

Perhaps I am just too much overkill with my #4 battery cables, but in comparison those cables sure look small.

Wayne


Ditto this..Not even overkill if 300watts is needed for output of that
Inverter...

Figure 10 Dc amps for each 100 watts needed..

300watts = 30 amps... = 6 ga wire for a 5 ft run...

Edited for correct ga wire..Jim

http://www.solar-wind.co.uk/cable-sizing-DC-cables.html

If you do not need 300 watts then under fuse the Dc...Then smaller wire is ok.

100 watts would be an 8 ga wire fused at 10-15 amps.

Jim

* This post was edited 03/23/12 03:01pm by bigfootford *


2000 2500 9.6 Bigfoot,94 F250, Vision 19.5, Mich 245/70XDS2's, Bilstein shocks, air bags/pump, EU2000, PD 9260,Lifeline 100ah, 200W. solar, Morningstar Sunsaver 15A/ display panel, Trimetric, Delorme/laptop, Holux gps rec,led lights, Wave-3 heat.


bigfootford

Fair Oaks, California

Senior Member

Joined: 12/03/2002

View Profile



Good Sam RV Club Member


Posted: 03/23/12 11:10am Link  |  Print  |  Notify Moderator

tkcrawford wrote:

Reddog1 wrote:

Perhaps I am just too much overkill with my #4 battery cables, but in comparison those cables sure look small.

Wayne



I agree those cable look way too small for a 3000 watt inverter. Go Power recommends 4/0 gauge wire with a 400 amp fuse for their 3000 watt inverter.

Just last week I installed a Xantrex Prowatt SW 1000W inverter and used 1 gauge welding cable for power, routed through a 1000 amp disconnect switch and a 150 amp auto-resetting circuit breaker.


The converter in the picture is 300Watts

Jim

bigfootford

Fair Oaks, California

Senior Member

Joined: 12/03/2002

View Profile



Good Sam RV Club Member


Posted: 03/23/12 11:32am Link  |  Print  |  Notify Moderator

DiscoChicken wrote:

Looking for a Pure Sine Wave inverter to push my Samsung 22" TV and Mac Mini computer. Any suggestions? TV needs 45 Watts Mac Mini 85 Watts.

Where is the best place to get the DC power from? Directly from Battery? It would be nice to have it cut off like everything else with the battery disconnect.

Thanks for your help.


I have a small 100 watt inverter...for my tv/dvd. Permanently mounted.

I have it fused and a cutoff switch for the source dc to the inverter.

I have a master cutoff switch for my battery. The inverter is connected to it so if the master is off everything is off including the inverter. I only turn the switch on for the inverter when I need it.

I do have a nice small portable, Modified Sine wave, 75watt inverter that I use for my laptop. Plugs into a cigarette lighter. Used that for years...A Mac may not like a Modified Sine wave inverter so you might need a Pure Sine Wave, either way.

My laptop running on the inverter pulls about 4-4.5 amps max. That is max 54 watts dc...and about 60watts output from the inverter.
Thus not pushing it very much.

Some folks will run an inverter and wire it into the bottom or top socket of their Rigs 120vac system. I elected not to do that. I only wanted to run my tv/dvd/vcr....so I just ran an extension cord from the inverter to a small power strip near the tv and peripherals.

Jim

Mello Mike

Mesa, AZ

Moderator

Joined: 05/14/2003

View Profile


Offline
Posted: 03/23/12 11:34am Link  |  Print  |  Notify Moderator

smkettner wrote:

The 100a fuse on the 12v side seems kinda big.


The installation instructions actually called for a 110 amp T style fuse, but all I could only find was a 100 amp fuse. For the wire size, amperage, and length of the wire run, 100 amps works.


2011 Wolf Creek 850N/Polar Cub/240w Solar/2-6v Lifeline AGMs/Morningstar Sunsaver w/RM-1 & SureSine-300 Inverter
2011 Ford F-250/6.2L/3.73/Bilsteins/Air Bags/Torklift TD w/Fastguns
2004 Jeep Wrangler/4.0L/5-spd
US Navy Ret.

My Truck Camper Adventure Blog



bigfootford

Fair Oaks, California

Senior Member

Joined: 12/03/2002

View Profile



Good Sam RV Club Member


Posted: 03/23/12 11:37am Link  |  Print  |  Notify Moderator

Mello Mike wrote:

smkettner wrote:

The 100a fuse on the 12v side seems kinda big.


The installation instructions actually called for a 110 amp T style fuse, but all I could only find was a 100 amp fuse. For the wire size, amperage, and length of the wire run, 100 amps works.


You are right it will work...But...

Jim

smkettner

Southern California

Senior Member

Joined: 03/21/2005

View Profile



Good Sam RV Club Member


Posted: 03/23/12 11:46am Link  |  Print  |  Notify Moderator

110 to 400a class T

http://www.bestconverter.com/Inverter-Class-T-Fuses_c_129.html


2001 F150 SuperCrew
2006 Keystone Springdale 249FWBHLS
675 watts solar
Send a PM if I missed something

clinthia

Flathead County, Montana

Senior Member

Joined: 09/08/2004

View Profile



Posted: 03/23/12 11:48am Link  |  Print  |  Notify Moderator

tkcrawford wrote:

Reddog1 wrote:

Perhaps I am just too much overkill with my #4 battery cables, but in comparison those cables sure look small.

Wayne



I agree those cable look way too small for a 3000 watt inverter. Go Power recommends 4/0 gauge wire with a 400 amp fuse for their 3000 watt inverter.

Just last week I installed a Xantrex Prowatt SW 1000W inverter and used 1 gauge welding cable for power, routed through a 1000 amp disconnect switch and a 150 amp auto-resetting circuit breaker.


I'm guessing you're referring to my setup. The inverter to batteries cables came with the inverter and it is a 300w not 3000w inverter.
Hope this clears things up, Clint


2007.5 Dodge 3500 4X4 Crewcab with 6.7 Cummins
2004 EC950 w/ slideout
2 Costco 6 volts
Yamaha EF1000IS
Kyocera solar panel
GO POWER 300 watt 12 volt PSW inverter
TorkLift tiedowns with Fastguns
Timbrens
Homemade bumpstops
The Schnauzers Madeline & Genevieve

tkcrawford

Edmonton, Alberta

Senior Member

Joined: 05/30/2009

View Profile



Posted: 03/23/12 11:50am Link  |  Print  |  Notify Moderator

bigfootford wrote:

tkcrawford wrote:

Reddog1 wrote:

Perhaps I am just too much overkill with my #4 battery cables, but in comparison those cables sure look small.

Wayne



I agree those cable look way too small for a 3000 watt inverter. Go Power recommends 4/0 gauge wire with a 400 amp fuse for their 3000 watt inverter.

Just last week I installed a Xantrex Prowatt SW 1000W inverter and used 1 gauge welding cable for power, routed through a 1000 amp disconnect switch and a 150 amp auto-resetting circuit breaker.


The converter in the picture is 300Watts

Jim


Yes, you are correct. My apologies...old eyes.

This Topic Is Closed  |  Print Topic  |  Post New Topic  | 
Page of 5  
Prev  |  Next

Open Roads Forum  >  Truck Campers

 > Sine Wave Inverter Help
Search:   Advanced Search

Search only in Truck Campers


New posts No new posts
Closed, new posts Closed, no new posts
Moved, new posts Moved, no new posts

Adjust text size:

© 2013 RV.Net | Terms & Conditions | PRIVACY POLICY | YOUR PRIVACY RIGHTS