... voltage:20mv,30mv,50mv,75mv,100mv and so on.2.FL-27 series type shunt,precision class 0.2 ... Secondary voltage:20mv,30mv,50mv,75mv,100mv and so on4.FL-12 series type shunt,FL-13A type shunt,FL ... and so on. We can do OEM or manufacture according to sample or drawings from customers.2.Dimension: DC Amper Meter ... shunts FL-2 series,class 0.5, 300A