Siemens 3RN2011-1BW30

The Siemens 3RN2011-1BW30 is a thermistor motor protection relay designed for reliable monitoring and safeguarding of motor operations. This standard evaluation unit fits into a compact 22.5 mm enclosure and features screw terminals for secure wiring connections. Equipped with two change-over contacts, it operates within a voltage range of 24 V to 240 V AC/DC. The relay includes both manual and remote reset capabilities, along with a test/reset button for easy maintenance checks. This model serves as a direct replacement for earlier versions 3RN1011-1BM00 and 3RN2011-1BW30. Available through BSP Automation, it’s a dependable choice for enhancing motor protection in various industrial settings.