> How much power is in that line and can you afford a breaker ? 
> A simple 
> circuit using a crowbar mosfet or thyristor can activate the 
> breaker. Or 
> pop it if it has a popping coil. There should be something 
> there because 
> lead acid batteries + plastic insulated wiring = fire hazard.

I must say that I don't know. This is for a relatively small motor
(24V/500mA) but it is powered from the battery of a wheelchair -
definitely some power there! But as said, I will go for the P-FET
option.

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: www.voti.nl/hvu
 

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist