ČSD series S 499.02
| ČSD series S 499.02 ČD series 242 |
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 Series S 499.02
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| Numbering: | ČSD S 499.0201-0286 ČD 242.201-286 |
| Number: | 86 |
| Manufacturer: | Škoda |
| Year of construction (s): | 1975-1981 |
| Axis formula : | Bo'Bo ' |
| Length over buffers: | 16,440 mm |
| Service mass: | 86.0 t |
| Wheel set mass : | 21.5 t |
| Top speed: | 120 km / h |
| Hourly output : | 3,200 kW |
| Continuous output : | 3,080 kW |
| Performance indicator: | 37.2 kW / t |
| Power system : | 25 kV 50 Hz alternating current |
| Number of traction motors: | 4th |
| Drive: | Škoda hollow shaft drive mixed current traction motors |
| Brake: | DAKO-LR electrodynamic handbrake |
| Train control : | LS II |
The ČSD class S 499.02 (from 1988: class 242 ) is an electric locomotive of the former Czechoslovak state railway ČSD for the route network in the south and west of the former Czechoslovakia electrified with 25 kV 50 Hz alternating current . They were developed from the S 499.0 , from which it differs primarily through a different locomotive body .
development
While the S 499.0 has a locomotive body made of glass fiber reinforced plastic , the S 499.02 uses the conventionally manufactured locomotive body, as it was also used for direct current locomotives. Only the fan belt required for cooling the transformer and the high-voltage control was used instead of the large side windows. As a further change, the locomotives have an auxiliary travel switch and a device to reduce the load on the axles when train approaches and journeys on inclines. For this purpose, the locomotives were given special drawbar rods between the bogies and a special controller for the converter. As with the S 499.0 , the locomotive was controlled with 32 speed steps. Locomotives of this type were also delivered to the Bulgarian State Railways BDŽ.
A total of 86 locomotives of the S 499.02 series were put into service at ČSD. With the delivered on 30 November 1981 S 499.0286 ended at Škoda production of electric locomotives of the so-called first generation . The locomotives were based in Jihlava and Brno and perform mixed services there, from freight to express train service. Some of the locomotives received modern single-arm pantographs in the eighties.
In 1988 the locomotives were redesignated as the class 242. All locomotives came to the Czech Railways ČD after 1993 and are still in use there.
Pictures of the ČD series 242
ČD 242 248-3 with R666 Rožmberk (2020)
ČD 242 205-3 with freight train (2003)
ČD 242 208-7 with freight train (2003)
MVA 242 256-6 in Hungary (2010)
See also
- List of the ČD locomotive and multiple unit series
- List of locomotive and multiple unit series of the ČSD
