15c19fcd__and_Schematic_Diagram_Symbols__Electronic_Component
[Circuit Symbol] Dual On-Off Switch (DPST) Circuit Symbol [Description] Abbreviated as DPST. Can also be called as a dual ON-OFF switch. This is used to isolate between the live and neutral connections in the main electrical line. [Electronic Component] 
Double Pole Single Throw Switch
Electronic Circuit Symbols - Components and Schematic Diagram Symbols
Electronic Component