A magnetically soft body that includes an electrically conductive surface is shiftable between a first position where {HEAD ~ the body} is in {TAIL ~ simultaneous contact} with the first and second switching contacts, and a second position where the body is out of contact with at least one of the first and second switching contacts 
A magnetically soft body that includes an electrically conductive surface is shiftable between a first position where { HEAD ~ the body } is in { TAIL ~ simultaneous contact } with the first and second switching contacts , and a second position where the body is out of contact with at least one of the first and second switching contacts
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH