On Jan 17, 1:48 pm, John B wrote:

TSO and PTSO really ought to give you a clue before looking at the
weights !

OTOH, 10 tonnes seems a bit heavy-duty for a pantograph. Is it an SNCF
design...?

I'm trying to think of exceptions - but AFAIK PTSO in EMU usually
means transformer as well as pantograph .... becuase if it does not
mean that then there is a 25 kV bus line between cars ... see
uk.railway previous yawns.

--
Nick