Direct and Alternating Current : Electric Multiple Units and Motor Coaches . Class 411/415 Class 411/415-1500 Class 413 Class 419 Class 453 Class 455-700 Class 457 Class 471 Class 475 Class 481/485 (1964-1972) Class 481/485-1000 Class 481/485-3000 Class 489 (1971/72) Class E491 ClassE491 Class E501 Class 521 Class E531 Class 651 Class E653-1000 Class E653-1100 Class E655 Class E655 Class E657 Class 681 Class 681 Class 683 Class 683 Class 683-4000