British Rail Class 507/2

The Class 507/2 designation refers to Class 507 sets that underwent a significant refurbishment programme, involving renewal of the electrical control equipment, interior refurbishment, and various accessibility improvements. The refurbishment did not alter the basic three-car formation or the fundamental traction and power supply arrangement.

For the full history, specification, and service record of the Class 507 family, see the main Class 507 entry.