CP Class 3100 and CP Class 3200 are two related series of

railway Rail transport (also known as train transport) is a means of transport that transfers passengers and goods on wheeled vehicles running on rails, which are incorporated in tracks. In contrast to road transport, where the vehicles run on a pre ...

multiple units with

Iberian gauge Iberian gauge ( es, ancho ibérico, trocha ibérica, pt, bitola ibérica) is a track gauge of , most extensively used by the railways of Spain and Portugal. This is the second-widest gauge in regular use anywhere in the world. The Indian gauge, , ...

, 2'2'+Bo'Bo'+2'2'

wheel arrangement In rail transport, a wheel arrangement or wheel configuration is a system of classifying the way in which wheels are distributed under a locomotive. Several notations exist to describe the wheel assemblies of a locomotive by type, position, and c ...

. They utilise a 1500 V direct current

voltage Voltage, also known as electric pressure, electric tension, or (electric) potential difference, is the difference in electric potential between two points. In a static electric field, it corresponds to the work needed per unit of charge to ...

system. They were first introduced in 1959 in the suburbs of Lisbon. The series was refurbished between 1998 and 2002. Since the renewal, this series has been known as the CP Class 3150 and CP Class 3250.

External links

* * * Electric multiple units of Portugal 1500 V DC multiple units {{Portugal-transport-stub