... -blue. 2.Ony land cantact pedestal,Example:SB2-BZ10_ , _ enter figure: 1-one NO, 2-one NC, 3- ... two NO, 4-two NC, 5- NO+NC3. Only land ... contact-replacement: Example:SB2-BE10_, _ enter figure:1-NO, 2 ... light,self-lock,self reset,convex,waterproof... 2 position stay put selector pushbutton switch, Schneider type ...