... 'external case and base.Changeable scale: Under the same secondary current and the identical scale class range, scale-change can be conducted without ... ... to 3000A,5000AWithext.c/t 1A or 5AClass 1.5From 0.1A,0.5A,1A,5A,10A,25A...to 80A ,100AAC direct ... phase or 3 phaseClass 2.5Scale:0.5cap-1-0.5ind,0.3cap-1-0.1ind,0.7cap-1-0.2indSFT-50Power meter (Kw or kvar ...