Power Transfer B1, 100 Ohm, 6FB HD, 10 Volt, A62-0579

Power Transfer B1, 100 Ohm, 6FB Heavy Duty Contacts, Carbon to Metal fronts, 10 Volt.

GRS/Alstom PN: 56001-947-GR1

GRS/Alstom Cat No: A62-0579

Safetran/Siemens: ???