The HONEYWELL part LSD1A is a micro switch from the MICRO SWITCH„¢ Heavy-Duty Limit Switches: HDLS Series. It features an epoxy-coated zinc housing and a momentary, top roller plunger with a 12.7 mm x 4.8 mm stainless steel roller. The switch has a 1NC 1NO single pole double throw (SPDT) snap action with double break contacts and is rated for AC 15, A600 and DC 13, R300 applications. It has a 0.5 in - 14 NPT conduit for easy installation and operates in temperatures ranging from -12 °C to 93 °C [10 °F to 200 °F]. The switch is IP 65/66/67 rated and meets NEMA 1, 3, 4, 4X, 6, 6P, 12, and 13 standards. It is also approved by UL, CSA, CE, and CCC agencies.