| ¡¡. 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. |