... 0.5 Specifications:1A-15000A Secondary voltage:20mv,30mv,50mv,75mv,100mv and so on.2.FL-27 series ... class 0.2 Specifications:1A-4000A Secondary voltage:20mv,30mv,50mv,75mv,100mv and so on .3.FL-21 series ... class 0.5 Specifications:1A-6000A Secondary voltage:20mv,30mv,50mv,75mv,100mv and so on4.FL-12 series type ... or drawings from customers.2.Dimension: DC Amper Meter shunts FL-2 series,class 0.5, 300A