| ¡¡.    Economic price. | 
            
            
              | ¡¡.Wide operating voltage range:3 wire 10-30VDC and 2 wire 90-250 VAC. | 
            
            
              | ¡¡. With operating indicator LED. | 
            
            
              | ¡¡.May drive 150 mA loads directly. | 
            
            
              | ¡¡.DC type with reverse-polarity proof. | 
            
            
              | ¡¡.DC S5, S10, S20 type with short circuit and over load proof. | 
            
            
              | ¡¡.The lowest residual voltage. | 
            
            
              | ¡¡.AC types are O-cross SCR output, operating stable. |