Panel Mounted section - Terminology

Momentary switch

describes a single operation with a push to engage and an automatic release

Latching switch

describes an alternate action with a push to engage and a further push to release

Panel cut-out

the location point in the panel to mount the switch

Lens

the colored actuator

Contacts

the electrical switching element

NO

normally open contact which is open in the non actuated position and closes a circuit on actuation

NC

normally closed contact which is closed in the non actuated position and opens a circuit on actuation

Bi-functional selection

feature to describe all latching pushbutton switches in the TP2 and TP5 series incorporating a simple selector mechanism to redertermine the function of the switch

Exposed bezel

where the pushbutton lens fits inside the switch bezel

Concealed bezel

where the pushbutton lens fits over the switch bezel

Flush housing

for mounting switches with the minimum protrusion above the panel surface

Raised housing

for mounting switches with the bezel prominent above the panel surface

Snap-in mounting

for mounting switches into a panel from the front without the need of access to the rear of the panel, or without the use locknut