The FS Class E.320 was a class of Italian

third rail A third rail, also known as a live rail, electric rail or conductor rail, is a method of providing electric power to a railway locomotive or train, through a semi-continuous rigid conductor placed alongside or between the rails of a railway t ...

electric locomotive An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or on-board energy storage such as a battery or a supercapacitor. Locomotives with on-board fuelled prime movers, such as diesel engines or gas ...

built between 1915 and 1918. Five units were built and they saw service on the

Varese Varese ( , , or ; lmo, label= Varesino, Varés ; la, Baretium; archaic german: Väris) is a city and ''comune'' in north-western Lombardy, northern Italy, north-west of Milan. The population of Varese in 2018 has reached 80,559. It is the c ...

Milan Milan ( , , Lombard: ; it, Milano ) is a city in northern Italy, capital of Lombardy, and the second-most populous city proper in Italy after Rome. The city proper has a population of about 1.4 million, while its metropolitan city h ...

Porto Ceresio Porto Ceresio ( Varesino: ''Pòrt Cerési'') is a ''comune'' (municipality) on Lake Lugano in the Province of Varese in the Italian region Lombardy, located about northwest of Milan and about northeast of Varese, on the border with Switzerland. ...

line. They were powered by two

direct current Direct current (DC) is one-directional flow of electric charge. An electrochemical cell is a prime example of DC power. Direct current may flow through a conductor such as a wire, but can also flow through semiconductors, insulators, or even ...

electric motor An electric motor is an Electric machine, electrical machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a Electromagneti ...

s, designed by

Tecnomasio Italiano-Brown-Boveri Tecnomasio was an Italian scientific and precision instrument company founded in the 1860s. By the beginning of the 20th century the company has begun to produce electrical equipment. After financial problems in the early 1900s the company was acq ...

(TIBB), giving a maximum speed of 95 km/h. The final assembly and the mechanical design were by

Officine Meccaniche Officine Meccaniche or OM was an Italian car and truck manufacturing company. It was founded in 1899 in Milan as Società Anonima Officine Meccaniche to manufacture railway rolling stock and car production began in 1918. It disappeared as s ...

(OM). At the time of their construction they were the most powerful direct current locomotives in the world. The transmission of the motion to the three axles was by

connecting rod A connecting rod, also called a 'con rod', is the part of a piston engine which connects the piston to the crankshaft. Together with the crank, the connecting rod converts the reciprocating motion of the piston into the rotation of the cranksh ...

s and these were subject to frequent breakages. The locomotives were soon replaced by Class E.321.

Sources

External links

Page at leferrovie.it
650 V DC locomotives 1′C1′ locomotives E.320 Railway locomotives introduced in 1915 TIBB locomotives OM locomotives Standard gauge locomotives of Italy {{electric-loco-stub Freight locomotives