Image 4523, Copenhagen Central-Copenhagen Airport working, Copenhagen Central station

4523, Copenhagen Central-Copenhagen Airport working, Copenhagen Central station
4523, Copenhagen Central-Copenhagen Airport working, Copenhagen Central station 
 These IR4 units appear very similar to the IR3 units but they have no engines as they are the electric version of the same units! They were introduced in 2000 built by Adtranz in Sweden and operate on both DB and SJ (Sweedish railways) despite the two networks having different electrical specification, 25kV versus 15kV respectively. 4523 leads set XX23 out of Copenhagen Central station forming a shuttle service to the international airport. 
 Keywords: 4523 Copenhagen Central-Copenhagen Airport Copenhagen Central station Adtranz Sweden
4523, Copenhagen Central-Copenhagen Airport working, Copenhagen Central station 
 These IR4 units appear very similar to the IR3 units but they have no engines as they are the electric version of the same units! They were introduced in 2000 built by Adtranz in Sweden and operate on both DB and SJ (Sweedish railways) despite the two networks having different electrical specification, 25kV versus 15kV respectively. 4523 leads set XX23 out of Copenhagen Central station forming a shuttle service to the international airport. 
 Keywords: 4523 Copenhagen Central-Copenhagen Airport Copenhagen Central station Adtranz Sweden

These IR4 units appear very similar to the IR3 units

but they have no engines as they are the electric version of the same units! They were introduced in 2000 built by Adtranz in Sweden and operate on both DB and SJ (Sweedish railways) despite the two networks having different electrical specification, 25kV versus 15kV respectively. 4523 leads set XX23 out of Copenhagen Central station forming a shuttle service to the international airport.