SPNO, SPDT, DPNO, & DPDT General Purpose Switching Relay

spnoView live SPAR NORD BANK AS chart to track its stock's price action. Find market predictions, SPNO financials and market news.SPNO, SPDT, DPNO, & DPDT General Purpose Switching Relay Relays control circuits through a low-power snal. An electro-magnetic current actuates the relay, creating a closed circuit