The 84-5031.2B40 is a double-pole single-throw (DPST) 1NO/single-pole single-throw (SPST) 1NC Emergency-stop Switch with a maintained switching action actuator and slow-make 1 NC + 1 NO gold contacts. This ?22.5mm raised cut-out mounting emergency-stop switch features red plastic mushroom shape LED lens with opaque optics operator/indicator and flat ribbon cable terminals (connection method).