facthunter Posted March 14 Share Posted March 14 Should I use one on my magnetiser then? It has a heavy ganged mechanical switch as original. Which is possibly 60 years ago at least' DC supply from 2 good batteries ( 24 volts) nominal.. Nev Link to comment Share on other sites More sharing options...
skippydiesel Posted March 14 Share Posted March 14 1 hour ago, Kyle Communications said: Skippy you wouldnt want to be running any starter motor current through that thing Narva's go to 120 AMP. Every battery to 150 AMP Okay - what do you think an 80 Amp version, was doing on the negative side of a start battery, in the boot of a muscle car?? Link to comment Share on other sites More sharing options...
facthunter Posted March 14 Share Posted March 14 AS far as I can determine 80 amps would be near to useless 400 is more ballpark. Off stalled it may go 3x higher in surges. Nev Link to comment Share on other sites More sharing options...
skippydiesel Posted March 14 Share Posted March 14 This crowd have an astonishing selection of battery isolator switches : https://automotivesuperstore.com.au/electrical/batteries-accessories/battery-isolator-switches Link to comment Share on other sites More sharing options...
danny_galaga Posted March 14 Author Share Posted March 14 28 minutes ago, skippydiesel said: Narva's go to 120 AMP. Every battery to 150 AMP Okay - what do you think an 80 Amp version, was doing on the negative side of a start battery, in the boot of a muscle car?? Almost certainly for a stereo 1 1 Link to comment Share on other sites More sharing options...
onetrack Posted March 14 Share Posted March 14 My little Chinese Rossi 200A inverter welder has Toshiba MOSFETS in it. I've never seen such an advancement, nor such an increase in reliability, as this little beast. It weighs 7kgs against the 35kgs of my previous CIG Handyman welder, and it welds like a welder 3 times its size! It's never stopped in the 5 or 6 years I've owned it, and I've run 4.0mm electrodes with it for an extended period. Those MOSFETS have revolutionised the electronics industry. 1 1 Link to comment Share on other sites More sharing options...
danny_galaga Posted March 14 Author Share Posted March 14 I wasn't actually kidding Facthunter 😄 Check out this thread https://www.stevemeadedesigns.com/board/topic/213831-dual-alternator-questions/ 1 Link to comment Share on other sites More sharing options...
facthunter Posted March 14 Share Posted March 14 I didn't think you were, actually. 6th sense? nev 1 Link to comment Share on other sites More sharing options...
danny_galaga Posted March 14 Author Share Posted March 14 51 minutes ago, skippydiesel said: This crowd have an astonishing selection of battery isolator switches : https://automotivesuperstore.com.au/electrical/batteries-accessories/battery-isolator-switches So funny, if you look at the third and fourth pics, that's what I'm running now. The lil jigger and Narva battery switch 😄 Link to comment Share on other sites More sharing options...
skippydiesel Posted March 14 Share Posted March 14 27 minutes ago, danny_galaga said: So funny, if you look at the third and fourth pics, that's what I'm running now. The lil jigger and Narva battery switch 😄 They have pages & pages Link to comment Share on other sites More sharing options...
danny_galaga Posted March 14 Author Share Posted March 14 Third and fourth pic 🙂 Link to comment Share on other sites More sharing options...
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