Momentary switches may be normally open or normally closed (depending on users wiring choice). A normally open switch doesn't make contact until and unless it is held down. A normally closed switch is always making contact until the button is pushed. Cherry Switch single-pole, 15 A, COM / NO / NC

The PBR series is a standard 6 inch round push plate with a premium design for wall applications, as well as functional, aesthetically appealing and weather resistant.

Contacts:

N/O - Normally Open

N/C - Normally Closed

C - Common

Contact Current Rating:

15 Amps