The Alpha 78338 SL005 is a type of safety limit switch designed for use in hazardous environments. It features a robust stainless steel housing with a single-contact, spring-return plunger design that meets utilization category III requirements, making it suitable for use in gases, dusts, and liquids. The switch is suitable for use in both AC and DC circuits, making it suitable for many industrial applications. It also has a wide operating temperature range of -40°C to +75°C, meaning it can be used in many harsh environments. It has an IP67 rating for ingress protection, meaning it is protected against dust, water, and other foreign matter. The SL005 is UL, CSA, and CE certified, making it a reliable solution for safety applications.