Check the listing for details. On-On-On 3 Way 19mm Key Switch SP3T 4A APEM. Color: Nickel Plated, Condition: New, Made in Taiwan. Listed at 25.78 USD. On-On-On 3 Way 19mm Key Switch SP3T 4A APEM On-On-On 3 Way 19mm Key Switch SP3T 4A APEM 10.39 Ask a question The JD7509D1-A126 is a high quality key operated switch from the JD series manufactured by APEM. The switch features SP3T contacts and 3 maintained positions with key withdrawal in position 1,2,&3. The switch has a nickel plated finish and is suitable for 19mm panel cut-out applications requiring a reliable switching solution. 3 positions Maintained switching SP3T contacts Nickel plated finish Key withdrawal in position 1,2,3 Panel cut-out: 19mm Indexing: 45° Contact rating: 4A at 125 VAC or 28VDC, 2A at 250 VAC Mechanical and electrical life: 6000 cycles at full load Dimensions: 27.5 x 22mm (length x diameter) About Us Shop related items eBay & Ecommerce Stores By.