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CP Class 3150
CP Class 3250
ManufacturerCravens, GEC (Class 3100)
Sorefame (Class 3150)
GEC-Alsthom, Siemens (Class 3150 and 3250 refurb)
Constructedlate-1950s
Number built13
Specifications
Wheelbase2'2'+Bo'Bo'+2'2'
Maximum speed90 km/h (56 mph)
Weight118.0 t (116.1 long tons; 130.1 short tons)
Traction systemElectric
Traction motors?
Power output960 kW (1,287 hp)
Electric system(s)1500 V DC overhead line
Track gauge1,668 mm (5 ft 5+2132 in)
A multiple unit near 25 de Abril Bridge, Lisbon

CP Class 3100 and CP Class 3200 are two related series of railway multiple units with Iberian gauge, 2'2'+Bo'Bo'+2'2' wheel arrangement. They utilise a 1500 V direct current voltage 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.