1、Stable Performance: This slot type photoelectric switch sensor replacement has a built in shielding layer, which has a strong anti interference ability to electromagnetic and inverter interference, and stable performance. 2、Sturdy And Robust: This photoelectric switch sensor is made of excellent ABS material, which is sturdy and abrasion resistant, not easy to be damaged, resistant to dust intrusion, rugged and erosion resistant, thus protecting the internal electronic components and greatly reducing the failure rate of the equipment. 3、Safe And Reliable: This slot type photoelectric sensor has multiple guards, providing short circuit guards, overload guards, reverse polarity guards and other multiple guards to guard both the switch itself and the load. 4、Wide Application: This photoelectric switch limit sensor has a wide range of applications and can be used in conveyors, machinery, elevators, printing, electric power, semiconductor manufacturing machinery and other fields. 5、Compact And Lightweight: This slot type photocoupler photoelectric switch sensor is small in size and light in weight, which makes it very convenient to carry and use, and very easy to install and replace.