The Siemens 3RV2421-4DA20 ist a thermal-magnetic overload relay designed for the protection of motors in industrial environments. This 3-pole device provides reliable protection against overload and short circuits to prevent damage to machinery and ensure operational safety. With its robust construction and precise tripping characteristics, the 3RV2421-4DA20 ist suitable for a variety of applications. It can be easily integrated into control cabinets and ist designed for use in demanding environments. Ideal for protection directly in motor circuits, switchgear, and distributions. Secure your systems with a proven solution. Inquire now and check availability.