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Old 06-14-2014, 02:13 PM   #1
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Circuit breaker on Inverter pops

When I run the coffee pot and the toaster at the same time, the circuit breaker on the Dimensions inverter pops and we lose all 120v power inside the coach. This is when we are plugged in to shore power. We have a Dimensions Win12x20B3RT inverter on our 2006 Meridian 36G.
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Old 06-14-2014, 05:26 PM   #2
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Originally Posted by Hardy View Post
When I run the coffee pot and the toaster at the same time, the circuit breaker on the Dimensions inverter pops and we lose all 120v power inside the coach. This is when we are plugged in to shore power. We have a Dimensions Win12x20B3RT inverter on our 2006 Meridian 36G.
You might consider this old post: http://www.irv2.com/forums/f101/dime...tem-47929.html

In my opinion, any modified sine wave inverter is trouble waiting to happen. In this "new to me" coach I have a Magnum true sine wave inverter. This coach requires the 2800 watt model because of the residential refrigerator. I also have 6 AGM batteries to run the inverter on when needed.

I just checked your wiring diagram (http://www.winnebagoind.com/diagram/...ire_153624.pdf) You have a 600 watt inverter. No way can you expect to run a toaster and coffee maker at the same time. In your owners manuals you have the power ratings listed for different appliances. If you consider that 8.3 amps is required for 1000 watts you can see that you are overloading your inverter. Good or bad product is not the issue here. Asking too much of it is. Try a plug that is not inverter fed for the pot. Mornings won't be as stressful.

Happy trails,

Rick Y
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Old 06-14-2014, 05:48 PM   #3
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Quote:
Originally Posted by Hardy View Post
When I run the coffee pot and the toaster at the same time, the circuit breaker on the Dimensions inverter pops and we lose all 120v power inside the coach. This is when we are plugged in to shore power. We have a Dimensions Win12x20B3RT inverter on our 2006 Meridian 36G.
Hardy
That is not unusual, and certainly nothing to worry about)...(a coffee pot and toaster combined draw more amps than the circuit breaker can handle).
If we run our microwave and forget to turn off our electric space heater the same thing happens.
When all is said and done you will realize that common sense energy management solves a lot of what you at first see as electrical problems.
(BTW, you can make coffee on the propane cook top and make toast in an electric toaster at the same time).
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Old 06-14-2014, 05:52 PM   #4
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Doctor doctor, it hurts when I do this. Answer. Don't do that.

The power passes through the inverter breakers and are being over loaded. Coffee pot and toaster are huge power hogs. I have to use a small extension cord to pick up another outlet.
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Old 06-14-2014, 05:57 PM   #5
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Originally Posted by jerichorick View Post
In my opinion, any modified sine wave inverter is trouble waiting to happen.
Rick Y
Rick
The OP is not having an inverter problem.
He is having a problem managing his shore power energy usage, (which is causing a 120VAC circuit breaker on his inverter to trip).
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Old 06-14-2014, 06:13 PM   #6
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We solved that problem in our last MH with one of these. http://www.costco.com/Capresso-10-cu...100080682.html

Once the coffee is made there is no heating element to draw power and the coffee stay hot for 3 hours without any power draw. Great for boondocking as well as power management and makes great coffee too. For traveling we make a pot before leaving then the carafe sits on the floor between us, no more thermos to carry and fill.
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Old 06-14-2014, 07:19 PM   #7
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Originally Posted by brobox View Post
We solved that problem in our last MH with one of these. http://www.costco.com/Capresso-10-cu...100080682.html

Once the coffee is made there is no heating element to draw power and the coffee stay hot for 3 hours without any power draw. Great for boondocking as well as power management and makes great coffee too. For traveling we make a pot before leaving then the carafe sits on the floor between us, no more thermos to carry and fill.
brobox
That electric coffee maker will solve nothing if/when it is making coffee at the same time as a toaster is being used.
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Old 06-15-2014, 12:15 AM   #8
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brobox
That electric coffee maker will solve nothing if/when it is making coffee at the same time as a toaster is being used.
We set the timer on ours so no issues with it drawing current when we are awake. Using the carafe pot of course. Nice to take it outside to the table and have it stay hot.
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Old 06-15-2014, 04:42 AM   #9
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Well I had that problem on my Journey and the fix was just replacing the breaker, easy. I've found out they don't last forever. Try that its cheep and easy to do even for a guy that dosn't do electric.
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Old 06-15-2014, 07:08 AM   #10
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Quote:
Originally Posted by Hardy View Post
When I run the coffee pot and the toaster at the same time, the circuit breaker on the Dimensions inverter pops
Quote:
Originally Posted by RayJr View Post
Well I had that problem on my Journey and the fix was just replacing the breaker, easy. I've found out they don't last forever. Try that its cheep and easy to do even for a guy that doesn't do electric.
RayJr
Have you ever had to replace a breaker ON a Dimensions inverter?
I agree that replacing a breaker IN the electrical panel of a RV is an easy job.
However, IMO, replacing the breakers ON a Dimensions inverter is definitely not "easy", (especially for a guy that doesn't do electric).
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Old 06-15-2014, 07:12 AM   #11
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Rick
The OP is not having an inverter problem.
He is having a problem managing his shore power energy usage, (which is causing a 120VAC circuit breaker on his inverter to trip).
Mel
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I understand this Mel. I am speaking from knowing the design parameters of a MSW inverter. They generate a square wave or saw tooth and then filter it to make it look like a TSW like we get from the power company. The problem being with this inverter type is that the equipment it is running is not getting the full power it needs and there are frequencies other than 60HZ that are leaking through. I found out on this forum that the MSW inverter could damage a residential electric blanket.

I had a MSW inverter in my last two coaches. The microwave seemed to always strain when when I used it. On the last coach I upgraded to a TSW inverter and the microwave did not sound the same and the food cooked quicker.

In my youth I studied the differences between these types of power sources while in college. The available, usable, power in the MSW is not as great as with the TSW.

Please forgive me for not going into this detail on my earlier post. I was rushing. I hope I have clarified my statement and understanding of the topic.

Of all the inverters on the market my PREFERENCE is Magnum TSW products. (Ford or Chevy?) But, you pay the price for quality, true.

Rick Y
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Old 06-15-2014, 07:28 AM   #12
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I'm confused....how can the inverter be in play when the OP says they are on shore power when the breaker pops?
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Old 06-15-2014, 08:27 AM   #13
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That's a 2000 watt inverter. No way a 600 watt inverter should be wired to anything other than entertainment stuff. But a 2000 watt could very well be wired to many outlets. Still 2000 watts is not enough for a toaster and a coffee pot at the same time. Even on shore power, it still goes through the inverter's circuit breaker.
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Old 06-15-2014, 08:42 AM   #14
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Quote:
Originally Posted by Hardy View Post
When I run the coffee pot and the toaster at the same time, the circuit breaker on the Dimensions inverter pops and we lose all 120v power inside the coach. This is when we are plugged in to shore power.
Quote:
Originally Posted by jerichorick View Post
I understand this Mel. I am speaking from knowing the design parameters of a MSW inverter. They generate a square wave or saw tooth and then filter it to make it look like a TSW like we get from the power company. The problem being with this inverter type is that the equipment it is running is not getting the full power it needs and there are frequencies other than 60HZ that are leaking through. I found out on this forum that the MSW inverter could damage a residential electric blanket.
I had a MSW inverter in my last two coaches. The microwave seemed to always strain when when I used it. On the last coach I upgraded to a TSW inverter and the microwave did not sound the same and the food cooked quicker.
The available, usable, power in the MSW is not as great as with the TSW.
Please forgive me for not going into this detail on my earlier post. I was rushing. I hope I have clarified my statement and understanding of the topic.
Rick Y
Rick
That is great inverter information, however, the topic of this tread is:
A circuit breaker on a Dimensions inverter that pops when a coffee maker and toaster are used at the same time.... while the coach is plugged into shore power... (NOT inverter power).

Exactly what in that excellent inverter lesson explains why the circuit breaker on the OP's inverter trips when a coffee maker and toaster are used at the same time on shore power?

I don't see the connection?

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