The HONEYWELL part LS2D4K is a MICRO SWITCH„¢ Heavy-Duty Limit Switch that is specifically designed for heavy-duty applications. It features a durable stainless steel housing and a momentary, top roller plunger for reliable and precise operation. The switch has a 12,7 mm x 4,8 mm [0.50 in x 0.19 in] stainless steel roller, providing smooth and consistent performance.This limit switch has a 1NC 1NO Single Pole Double Throw (SPDT) snap action configuration with a double break, ensuring a reliable and secure electrical connection. It is rated for AC 15 and DC 13 applications, making it suitable for a wide range of industrial and commercial uses.The LS2D4K is designed to be non plug-in and has a 0.75 in - 14 NPT conduit for easy installation. It has an operating temperature range of -12 °C to 121 °C [10 °F to 250 °F], making it suitable for use in both hot and cold environments. The switch is also IP 65/66/67 rated, providing protection against dust and water ingress, and meets NEMA 1, 3, 3R, 4, 4X, 6, 6P, and 13 standards for added durability and reliability.In terms of safety, the LS2D4K has received agency approvals from UL, CSA, CE, and CCC, ensuring compliance with rigorous safety standards. This makes it a trusted and reliable choice for a variety of industrial applications where heavy-duty limit switches are required.