Saia-Burgess miniature double-break switch.

Actuator: Plain plunger.  

Mechanism: Four-circuit, double-break. Normally open.

Terminals: Four solder tags

Elect Rating: Recommended maximum 10A on 125, 5A on 250Vac

Enclosure: Mechanism only: IP40     Exposed terminals

Temperature: -10º - +85ºC