What is the NO SPST normally open relay? The NO Normally-Open SPST (Single Pole Single Throw) relay has an opened circuit state when no current is applied to its coil so basically it disconnects the ...

The LH1540ACD/LH1540ACDTR is a normally open SPDT switch operating in extremely low power consumption, with high surge capability. It offers clean and bounce-free switching, and is highly reliable ...