Ceske drahy (CD) <BR>
Electric multiple units class 680 <BR>
Current systems: 3 kV; 15 kV 16,7 Hz; 25 kV AC, 50 Hz <P>

Detail view of the Dellner coupling on the 681 001 front car.

Photo and scan: Petr Kaderavek (kade@email.cz)