What are normally open and normally closed contacts?

Issue:
Normally open and normally closed contacts

Product Line:
Push buttons, contactors and starters, relays

Environment:
All push buttons, contactors and starters, relays

Cause:
Selecting the correct contact type.

Resolution:

Normally open contacts are open when they are not actuated and close when energized.

Normally closed contacts are closed when they are not actuated and open when energized.

Released for: Schneider Electric USA