Typical Applications: Commonly Used as a Vent Switch.

S711 — Push Button On/Off Switch, 3 A, 125VAC
S721 — Toggle Switch On/Off, with 6" Leads, 8A 125VAC
S731 — Push On-Push Off, 10 A, SPST, with 4.5" Leads
S741 — Normally Closed Momentary Open, Push Button Swith, 3A 125VAC with 4.5" Leads
Switch activates appliance when vent is open.
When plunger is depressed appliance is off.

Legend:
SPST = single pole, single throw
SPDT = single pole, double throw
DPST = double pole, single throw
DPDT = double pole, double throw