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Electric outlets

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Sounder View Drop Down
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Joined: 11 February 2021
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    Posted: 20 September 2021 at 15:57
As a new owner of a new 348 I am in need of some guidance... The outlets around the boat require the switches under the nav station to be turned on I suppose. I believe the outlet behind the starboard settee is different in some way. Do they all work while under way or only on shore power? Are any or all suitable for a small coffee maker or microwave oven? Also, is there any down side to keeping the refrigerator on while the boat is connected to shore power?
Many thanks. I'm grateful for any advice and insight...
David S
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S&J View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote S&J Quote  Post ReplyReply Direct Link To This Post Posted: 20 September 2021 at 21:18
Any 220v AC circuits only run from shore power unless you have a large inverter which will quickly deplete your batteries.
Does the boat have an inverter and what power is it?
You need to match the power (watts) consumed by your appliances with the output from your inverter.
1000W for a 220V kettle (for example) will draw over 80 amps from the batteries if you use an inverter (assuming no conversation loss).
In my opinion the fridge is best kept on all the time so your ice cubes don't melt!  I recently measured consumption of the fridge over 24 hours and it averaged between 1 and 1.5 amps per hour.  ( It is at the higher end now I am in the Mediterranean).


Edited by S&J - 20 September 2021 at 21:20
H458 #159 Primal heading to the sun
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Sounder View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Sounder Quote  Post ReplyReply Direct Link To This Post Posted: 20 September 2021 at 22:43
Many thanks. I don't think my little 348 has an inverter. It seems that I will only use these outlets when connected to shore power.
David S
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Elleve View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Elleve Quote  Post ReplyReply Direct Link To This Post Posted: 24 September 2021 at 22:43
Yes, the AC outlets of course only work when the boat is connected to shore power.
You may want to consider adding/installing a small inverter. I have found this to be extremely useful to charge tool batteries, power a Dremel, power a small AC fan, or charge/power a laptop while underway. A pure-sine 150W unit has worked nicely for this. Below is a picture of my installation under the chart table...


H345 Elleve #312
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Sounder Quote  Post ReplyReply Direct Link To This Post Posted: 25 September 2021 at 14:59
thatís very helpful Elleve. Thank you. Great installation. Would love more details on how you installed the inverter and which you used. Many thanks. 
David S
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Post Options Post Options   Thanks (0) Thanks(0)   Quote S&J Quote  Post ReplyReply Direct Link To This Post Posted: 25 September 2021 at 21:04
I have taken a different approach on both my Hanses.  I have the inverter installed behind the batteries and I have wired up an additional twin 220V socket under the chart table.  I now have a Victron 500W inverter with the on/off wired into one of the spare switches on the right side if the main panel.
This allows me to turn the inverter on only when I need it.  My primary use is charging my laptop and ePropulsion battery, both of which can also be charged (more efficiently but slower) direct from 12V.
The inverter will draw a current even if nothing is plugged in, do be sure you can isolate it.
H458 #159 Primal heading to the sun
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Elleve View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Elleve Quote  Post ReplyReply Direct Link To This Post Posted: 28 September 2021 at 17:27
Sounder, the inverter I installed is a Samlex PST-150-12 pure sine inverter (150W, 12V). I simply screwed it to the side of the port-side bench under the chart table, drilled a hole through the wood panel next to the DC distribution panel, and wired it directly to a positive and negative lug accessible at that location. It is fused with a 15A fuse. When the inverter is powered off, it does not consume any power. While it only has 1 AC outlet, this one has been sufficient for the small loads I sometimes plug into it, helping manage the limited battery capacity. The inverter itself has an on/off switch that is easily accessible. I have been very happy with this install - a simple upgrade, out of the way, but easily accessible.
H345 Elleve #312
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