What are change over or C/O contacts?

Issue:
Are the 8501KPD12V63 devices equipped with form C contacts?

Product Line:
General Purpose Relays, 8501 Type K

Environment:
Relays and Timers

Resolution:
Change over is a European term for a Form C or single pole double throw contact.
Consider Digest 178 page 21-4 table 21.6.

Released for:Schneider Electric New Zealand