Frequently asked questions
What are change over or C/O contacts?
28 September 2021Issue:
Are the 8501KPD12V63 devices equipped with form C contacts?
General Purpose Relays, 8501 Type K
Relays and Timers
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.