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Old 05-11-2010, 11:53 AM   #1
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50 amp

Anybody ever upgrade to a 50 amp service for the Airstream? Any benefits?
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Old 05-11-2010, 12:33 PM   #2
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I've started to get stuff needed for the conversion, still lacking wire and adaptor. AS did put a large enough generator that can run both A/C's, so the change of interior wiring will be minimal. I planning to have 50 amp cord with a 30 amp adaptor as most state parks still have 30. Others on this list have separated one of the a/c's out to a separate 20 amp cord that way less wiring changes, they plug the 20 amp with the 30 amp line at the same box. It would save the 30 from being overloaded. The benefits I see is that pulling 25+amps on 30 amp line lowers the voltage below 110 which will kill a/c compressor. Easy to do when electric water heater, tv, converter, or microwave used while a/c is running.
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Old 05-11-2010, 02:55 PM   #3
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Is it worth the trouble?
Depends on the Airstream...and the equipment
A properly sized microwave matched to newer AC unit and everything in reason will run off of 30A...
Big-o-microwaves built into some units are on the same curcuit as the AC unit with a selector switch - rewiring will be a bear. 30A is still all ya need.

Toss in a second AC unit on the bigger campers...
Or a pile of cube heaters so the campground pays for winter warmpth...
and 50 might be a good solution
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Old 05-11-2010, 03:56 PM   #4
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Mine came with 50 amp service due to dual A/C from the factory, so I plug into 50A when it's available. The benefit is that you get enough electricity that you're not going to trip the campground breaker even if you turn on everything in the trailer at once. So I run the fridge on electric, and the water heater on electric, and even with both A/C units running I can still use kitchen appliances.

If you have no gas oven and have one of the electric convection ovens you might need it, so you can run the oven and the A/C.

Especially as a conversion, though, it's heavy and expensive. The Marinco inlet and cordsets alone (you need a 50A and a 30A unless you're going to use a dogbone and schlep the heavy 50A cable around, not ideal) will run almost $500.

I've seen houses that were only wired for 30A (120v). It was common in the 1920s.
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Old 05-11-2010, 04:13 PM   #5
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I rewired my '59 with 50a 120/240v service.

The 50 amp service is rated at 240v, so you'd actually have 100 amps of 120v power available. I've had no problems with it. We usually hook up to 30a. service, but it's nice to have extra. I's really nice to run the A/C, microwave, toaster, electric skillet and water heater at the same time and not have anything drop out.
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Old 09-11-2010, 10:28 PM   #6
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Im finally at the point of pulling the trigget on something. I am really wanting to go with one of the power centers but there arent alot of options in the 50 amp range. How big of a converter would be needed? would 65amps be enough. My other thought was to put a 30 amp power center and run a seperate 20 amp to run my microwave and such since ther is always a gfci outlet at places I stay. Thanks
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Old 09-12-2010, 04:08 AM   #7
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Quote:
Originally Posted by tripod58 View Post
Im finally at the point of pulling the trigget on something. I am really wanting to go with one of the power centers but there arent alot of options in the 50 amp range. How big of a converter would be needed? would 65amps be enough. My other thought was to put a 30 amp power center and run a seperate 20 amp to run my microwave and such since ther is always a gfci outlet at places I stay. Thanks
Airstream's current Univolt puts out 55 amps.

Andy
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Old 09-12-2010, 05:48 AM   #8
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When I was restoring it. I was talked into 50 amp seperate from my 30 amp. The person who did the electrical who is a big RV fan expressed how much I would appreciate 50 amps. I was told that when working on my property I could plug more things (electric tools).

I have never used it and have discovered 30 amp is more then enough.

Brian
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Old 09-12-2010, 07:36 AM   #9
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the only breaker we ever trip is the 30 amp one at the campsite. Now whenever possible, I use the 50 amp plug-in with an adapter. Problem solved
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Old 09-12-2010, 11:56 AM   #10
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My mainreason for wanting to go with the 50 amp service is during the winter I like to use a plug in heater and will be adding a microwave, other than that I have never had problems with the 30 amp service. That was my thinking about just adding the seperate 20 amp service. It may be easier just to make it a 50 amp
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Old 09-12-2010, 12:09 PM   #11
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2008 with 50 amp?

Perhaps you can educate me with this thread.

We have an 08 23FB Safari and it came with a power cord that has an additional adapter on the end that we have not used yet.

Would this model have the ability to plug into either 50 amp or 30 amp outlets at the campground? We are headed to a site with 50 amp next weekend and I'd like to be prepared.

What would you have to look at to determine if your AS can take 30 or 50amp input?

Thanks - always learning here!

Sandy
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Old 09-12-2010, 01:36 PM   #12
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Sandy, If the adapter you have goes from a 30 amp female (3 slots) to a 50 amp male (4 prongs) you are in goog shape.
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Old 09-12-2010, 05:15 PM   #13
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Which one of these would you guys go with?

30 amp
WFCO WF8975AN-PB WF-8975-AN-PB WF-8975AN-PB Black 75 Amp RV Trailer Power Center Converter Charger Camper Trailer RV

or 50 amp with 75 amp output
WFCO WF8930/50PB WF-8930/50-PB Black 30/50 Amp RV Trailer Distribution Panel Camper Trailer RV with this converter
WFCO WF9875 WF-9875 75 Amp RV Trailer Deckmount Converter Charger Camper Trailer RV
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Old 09-12-2010, 05:49 PM   #14
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or this one
PD4590 50 Amp Power Center with 90 Amp Converter/Charger
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