The 8-485 part of Photoswitch is a type of electrical switch. It is designed to be used in harsh and hazardous environments, such as in industrial and commercial locations. It is waterproof, dustproof, and corrosion-resistant, and it has a number of safety features which make it an ideal choice for use in locations where safety is of paramount importance. It is also very strong mechanically, and can withstand up to 500 lbs of force without breaking. This allows it to be used for applications such as heavy duty gate control and valve actuation. Additionally, it can be configured for use with a variety of controls, such as timers, limit switches, relays, and other devices. The 8-485 part of Photoswitch is also available in a variety of sizes and power ratings, which allows it to be used for a wide range of applications.