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HF MIG 170 Cap Mod Switch selection

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发表于 2021-9-1 23:15:18 | 显示全部楼层 |阅读模式
I've seen passing mention of using a switch to enable and disable the CE MIG 170 capacitor mod, but not much information on what kinds of voltages and amperages the switch needs to be rated for, and what gauge wire to use for connecting it.Is there a switch that can handle the current, or would adding a relay be the smarter option?  Something like this, perhaps?https://www.ebay.com/itm/SSR-100-DD-....c100290.m3507
Reply:The wires can be 10 gauge, a 50A switch will be fine.NAPA sells a switch , part # 786100
Reply:Thanks, looks like they have it locally to me.  I'm planning on using 6awg wire, what crimp connectors would be best?  Most automotive-style don't seem to be up to the task, perhaps something like these?https://www.ebay.com/itm/20-Pack-6-7...AAAOSw7Phc-z2O
Reply:I tried  a 50 amp  switch from the local farm store, with about 112,000uf  it melted  the internals down  in just a couple welding projects. Same result with automotive 40 amp  relays Went with this  switch and been trouble free- probably a bit overkill, unlike the relays don't need  another power source https://www.ebay.com/itm/300A-BATTER....c100005.m1851Last edited by 455dan; 07-24-2019 at 06:00 PM.1962 Idealarc Tig  300 300 1974 Idealarc Tig  300 300  ( till owner needs it back) 1988 Power Mig 150 (.112 f cap mod) 2015  Lotos Ltpdc2000d plasma/arc/tig    Victor 100 torch, 200- 210 Oxy/Acet gauges
Reply:Excellent, thanks.  I'm a little annoyed that my eBay searches for switches didn't bring that item up.  It's amazing how few high-amp switches there seems to be out there.  Looks like it will accept 1/4 copper 6awg ring terminals, too.
Reply:I ended up using one of those switches, has worked fine so far, but I've only done a few small test welds.  You can see my implementation here;https://weldingweb.com/vbb/showthread.ph...-upgrade-REDUX
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