... according to customers's drawing.Whole shunt standard type:1.FL-2 series type shunt ,precision class 0.5 ... voltage:20mv,30mv,50mv,75mv,100mv and so on3.FL-21 series export type shunt,precision class 0. ... 100mv and so on4.FL-12 series type shunt,FL-13A type shunt,FL-29 type shunt,FL-39 type shunt, ... shunt,American shunt and so on.Technicial parameters: 1. FL-21, 5-125A, 150 - 200A, 250 - 600A, ...