The trains are formed as two-car, three-car, and five-car formations. As of 2021, the fleet consists of eight two-car sets, eight three-car sets, and four five-car sets (60 vehicles in total), formed as shown below.
Two-car sets The Mc car has two single-arm
pantographs.
Three-car sets The M car has two single-arm pantographs.
Five-car sets The M1 and M2 cars each have two single-arm pantographs. ==Interior==