Ae4/7 10997

Kidger Paul

Seen this morning 17/5/2013 at Mohlin was Ae 4/7 10997. Any idea as to where it was going...hope it wasn't a single journey to Kaiseraugst.
I have 2 photos but I'm not sure how to attach them.
Forgive my ignorance but what is the item looking like a 3rd rail collector shoe between the bogie wheels? Is it a signal actuating magnet?
Paul Kidger

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