Type of vehicle:
The trains for the Cuautitlán-Buenavista Suburban railway are electric trains for rapid, mass transport of passengers along lines with short distances between stations.
The minimum consist of each unit is M-R-M, and the maximum is M-R-N-M, with M being the motor car with cab, R the trailer car and N the motor car without cab. Three units can be connected at the most, either M-R-M or M-R-N-M, with any combination type. Units shall be coupled by jeans of automatic couplers, with electric, pneumatic and mechanical coupling.
As a main item, in the electric equipment, there are two IGBT converter-inverter units per motor car, and these are connected to four asynchronous motors (two per converter-inverter). There is a supply voltage of 25 kV and there are two transformers in the R car. The converter-inverter units are connected to the secondary of these transformers.
The train has both a pneumatic and an electric brake. The braking equipment has the capacity to return power to the network.
The units are fitted out to provide for a high passenger capacity and easy passenger access and evacuation facilities. The interior arrangement of the car is functional, in line with transporting a high number of passengers. The vehicle access doors are automatic sliding plug type with a clearance of 1300 mm.
The vehicles are fitted with pneumatic suspension to achieve a high level of ride comfort. The passenger information system is equipped with station teleindicators and a PA system. The train is also fitted with a fault information system, ATP safety equipment, train-land and a central events recorder, amongst other items.
Bogies:
Each car is supported on two bogies. The carbody rests directly on the bogie frame via the two air springs of the secondary suspension. There is no bogie bolster, and the two vertical dampers and one transverse damper are also used.
The motor bogies are fitted with two motor wheelsets, with independent traction and transmission.
Wheels are monoblock type and are press-fitted on the axle. The axle-boxes consist of a circular housing which contains the bearings. Two side arms project from the housing to support the springs of the primary suspension system.
