[ausev] switching the mainline power

[Erik Bigelow]

Check these out:

http://www.evparts.com/shopping/index.php?id=679

Key switched and sized for the right number of amps. The voltage
rating is a little below what you're looking at, but if you're not
expecting to use the switch to break that current, there should be no
problems at 48V.

On 11/8/06, MLAB <info at easystreetrecumbents.com> wrote:
> Some clarification is in order about my application...
>
> Vehicle stats are 48V, up to 60A.
>
> This switch will not be in the passenger compartment, but back at the
> motor system.  This is more of a motorcycle in its configuration, so the
> motor system is fairly accessible, though it is enclosed.  I use a key
> switch on the throttle line to conveniently disable the system from the
> handlebars, but I need to a way to easily isolate the batteries from all
> the onboard systems (controllers, panel meters, and lighting systems).
>
> I have a breaker switch on the battery pack, so I don't need this key
> switch to serve as a safety breaker.
>
> The problem is that this breaker seems to disagree with the battery
> management software built into my fancy Valence Saphion RT batteries,
> and I cannot just disconnect the batteries by throwing the breaker
> switch.  Right now I have to physically unplug and replug the battery
> with the breaker on if I want the system to work.  Toggling the breaker
> on with the plug connected causes the batteries to shut down (P2C2E).
> What I want is a switch that can disconnect the battery from everything
> else while the vehicle is stopped.  I expect no significant current to
> be in the line when this is switched.  But it must be able to carry the
> current when on.  It need not "switch" 60 amps, only "carry" 60 amps.
>
> In truth, this need not be a key switch, but that would be best.  It is
> an open question whether this switch would create the same problem that
> the breaker does.  Hopefully if it just a simple switch it will not.
>
>
> --
> Mike Librik, LCI #929
> Easy Street Recumbents
> (512) 453-0438
> 45th and Red River Streets, thereabouts
> Central Austin
> info at easystreetrecumbents.com
> www.easystreetrecumbents.com
> www.urbancycling.com
>
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