Class E 458.0 | TrainsDepot.org

Class E 458.0

Also known as: Class 110 / Type 33E 1

Registration country: Czechoslovakia

Railway companies: CD / ČD - České Dráhy CSD / ČSD - Československé státní dráhy ZSR / ŽSR / ZSSK - Železničná spoločnosť Slovensko

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In service:

from 1971

Built by:

Škoda - Škoda Works

Wheel arrangement:

Bo'Bo'

Electric systems:

3 kV DC

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1972

The series production of the E 458.0 took place between 1972 and 1973 at the Škoda works in Plzeň (Factory Type 33E). A total of 52 locomotives were manufactured (numbered E 458.0001 to 0052). These machines were specifically designed for electric shunting duties at major railway hubs and freight yards on the 3 kV DC network. The primary reason for their introduction was to improve air quality and reduce noise levels in urban station areas by replacing steam and diesel traction.

The locomotives were built as four-axle machines (Bo'Bo') with a distinctive central cab and low, flat hoods on either side, which led to the nickname "Bügeleisen" (Flatiron):
Traction control: The series utilized traditional resistance control. Speed and tractive force were regulated by switching starting resistors in and out of the circuit, controlled via a classic contactor system.
Weight and traction: To ensure sufficient adhesive force for heavy shunting, the locomotives were fitted with ballast, bringing their total service weight to 72 tons (18 tons per axle).
Power output: The locomotives were equipped with four 1 AD 3946 aT traction motors, providing a continuous power of 800 kW and a maximum speed of 80 km/h.

A notable feature of this series was its suitability for hump yard operations:
Auxiliary pantographs: In addition to the main roof-mounted pantograph, the units were equipped with two auxiliary pantographs. These were used to receive a variable voltage (up to 1000V DC) from a separate auxiliary overhead line at the sorting hump.
Remote control: This setup allowed the locomotive to be controlled remotely at extremely low, precise speeds - a requirement for pushing wagons over the hump economically without the losses associated with resistance control at such low speeds.

The inclusion of a 3000V heating line allowed the E 458.0 to be used for pre-heating passenger cars and occasionally for pulling light local passenger trains.

1988

In 1988, the locomotives were re-designated as Series 110 under the new numbering scheme.

1993

Following the dissolution of Czechoslovakia, the fleet was divided between the Czech Railways (ČD) and Slovakian Railways (ŽSR / ZSSK). While many have been retired in recent years due to age and the lack of ETCS safety systems, a significant number remains in service with freight operators like ČD Cargo and ZSSK Cargo.

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