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Posted by Franz [4.156.234.100] on Sunday, May 08, 2011 at 23:14:51 :
In Reply to: Battery switch question posted by Tim Holloway [69.54.28.229] on Sunday, May 08, 2011 at 21:34:14 :
The difference is in the arc suppression ability of the switch's contacts as determined by an engineer (wet dream).
Unless you are planning to be completely dependent on the battery switch to shut the battery down under load 10 seconds after the vehicle catches fire, the voltage ratings won't mean diddle to you. By the way, in that situation disconnecting the battery usually doesn't help the fire one damn bit if the engine is running because the generator keeps it running till every wire burns to a crisp. (Don't ask)
The disconnect of a battery probably occurrs 99.999% of the time with the vehicle not running, so the switch really isn't handling load.