Fuses and Wattloss on T Class MEGA EF3 and DC Breakers

IMO PV disconnects for solar, Blue Sea battery switches (see here: PV 275A Isolator Switch dissasembly and comment - #9 by OGPS ) , Chint brand DC circuit breakers for small PV installations (20A or less and 60VDC or less), and sometimes Blue Sea (made by Carlington) miniature circuit breakers for small loads).