ECN Forum Forums Technical Discussion Electrical Theory and Applications Leakage breaker - difficulties with translation.

My apologies. After rereading your post, It is clear that you are looking for an actual description and not application.
Below are some web links that I hope may help.

Regards


http://www.wipo.int/pctdb/en/wo.jsp?IA=WO2003%2F012967&WO=2003%2F012967&DISPLAY=DESC

http://www.fujielectric.co.jp/fcs/eng/product/power_d/pdf/DEC1907a_P004_006.pdf

http://en.wikipedia.org/wiki/Earth_leakage_circuit_breaker