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South African class 7E to 7E4

Spoornet E7095 in October 2015 at Beaufort West

At the end of the seventies, the SAR had the 50c/s Group develop the class 7E for the lines newly electrified with 25 kV alternating current. This consortium consisted of companies from Belgium, Germany, France and Sw...

General

Property	South African class 7E to 7E4 7E1 7E 7E1 7E2 7E3 Remove
Built	1979-1981
Manufacturers	50 c/s Group, Union Carriage & Wagon, Hitachi, Dorbyl, Transwerk
Wheel arrangement	C-C

Dimensions and weights

Property	South African class 7E to 7E4 7E1 7E 7E1 7E2 7E3 Remove
Length	18.43 m
Wheelbase	13.80 m
Rigid wheelbase	4.40 m
Service weight	125.5 t
Adhesive weight	125.5 t
Axle load	21 t

Power

Property	South African class 7E to 7E4 7E1 7E 7E1 7E2 7E3 Remove
Power source	electric - AC
Electric systems	25.000 V 50 Hz
Hourly power	3,150 kW (4,283 PS)
Continuous power	3,000 kW (4,079 PS)
Top speed	100 km/h
Starting effort	450.0 kN

Calculated values

Property	South African class 7E to 7E4 7E1 7E 7E1 7E2 7E3 Remove
Factor of adhesion	1 : 2.74
Power-to-weight ratio	25.1 kW/t
Adhesive weight/Total	1 : 1.00

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