Square D 40 amp 1 pole RCBO (GFCI to you Americans)
perfect for water heater if you have a Square D "QO' panel
1/2 price I sell for 1000 .
Jack 086=075-8096
089 824 5798
230 v x 40 a= 9200watts x 80 %= 7360 watts is safe rating
Check your heater specs
brand new in box part #QO140vs6RCBO10