Siemens AG Time Delay Relays 3RT1926-2FL21

The 3RT1926-2FL21 is a solid-state time delay relay designed for use in various control applications. It features an adjustable time range of 0.5 to 10 seconds and operates on a control supply voltage of 200 to 240 V AC/DC. The relay includes one normally open (NO) contact and one normally closed (NC) contact, specifically configured for OFF delay operation without a control signal. This relay is rated for a mechanical service life of approximately 10 million switching cycles and an electrical endurance of 100,000 cycles at AC-15, 230 V. It has a surge voltage resistance of 4,000 V and is designed to withstand environmental stresses, with shock resistance rated at 11g and vibration resistance from 10 to 55 Hz. The relay is equipped with screw-type terminals that accommodate a range of conductor sizes, making it versatile for different wiring configurations. It is classified as IP20 for touch protection and is suitable for installation in various mounting positions. The product complies with relevant EMC standards and has a degree of pollution rating of 3, ensuring reliable operation in demanding environments.