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idunne avatar image
idunne asked

inverter phoenix 12v 1200

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idunne asked · 6 minutes ago
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set up .....victron phoenix 12v 1200 inverter

3 feet 25mm2 cables positive inline circuite breaker 150a to battery all DC

2 x 110 ah batterys led acid pararell

battery level full

PROBLEM IS when i connect a 12v 1000w kettle to boil for a tea it trips the circute braker after about 5 sec

if i take the circuite breaker out of the cable it all works boiling the water

the iverter i no has a 200a fuse inside i was told.. am just trying to add a bit more safe by adding the breaker outside ...so why is it tripping

i have tried it it with a microwave 800w with the inline breaker and that works

any help please

Phoenix Inverter
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3 Answers
JohnC avatar image
JohnC answered ·

Hi @idunne

This is an issue with the breaker itself. Sounds suspiciously like one of those thermal breakers (little black box with a lever & button). There are some good brands, but the ebay grade won't cut it. And they get hot!

Better with a fuse in that application.


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idunne avatar image idunne commented ·
would you no what size fuse to use as 150a might be to high
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idunne avatar image
idunne answered ·

yes could be it was one of those from china like the one in see pic 20200725_092238.jpg


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JohnC avatar image JohnC ♦ commented ·

Yeh, that's an inline one. Not my favourite kit, but not really suited anyway to an inverter feed. There's a bit on fusing here.. https://www.victronenergy.com/upload/documents/Wiring-Unlimited-EN.pdf

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idunne answered ·

thanks for all the help....

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