... over the world 1.Standard type:1.FL-2 series type shunt ,precision class 0.5 Specifications:1A-15000A Secondary voltage:20mv ... ,30mv,50mv,75mv,100mv and so on.2.FL-27 series type shunt,precision class 0.2 Specifications:1A-4000A Secondary voltage:20mv ... OEM or manufacture according to sample or drawings from customers.2.Dimension: DC Amper Meter shunts FL-2 series,class 0.5, 300A