(ET) Controller current capacity (was Elec-trak Digest, Vol 10, Issue 201)

["David Roden (Akron OH USA)" <etpost drmm net>]

On 30 Dec 2012 at 10:09, Robert wrote:

> What I will have to do is figure the maximum current just before the
> breaker pops and add 50% to this to make the circuit durable. 

I'm no expert, but I'd say youi'll need at least that much and probably 
more.  IIRC, when Alltrax was designing the ET controller, they started 
with 
a 200 amp (peak) current limit and after some testing increased it to 300 
amps.  

FWIW, most folks who design controllers have large piles of silicon that's 
given its life in the design process.  It seems to involve a lot of loud 
bangs and, now and then, smoke and flames.