3RN2011-1BW30 SIEMENS

The 3RN2011-1BW30 is a thermistor motor protection relay designed to safeguard motors from overheating. This standard evaluation unit comes in a compact 22.5 mm enclosure, making it suitable for various installation environments. It features screw terminals for secure and reliable connections. Equipped with two change-over contacts, it provides versatile signaling options for control and monitoring systems. The relay operates with a wide voltage range of 24 V to 240 V AC/DC, offering flexibility in power supply configurations. It supports both manual and remote reset functions, enhancing operational convenience. The device is ATEX approved, ensuring its suitability for use in potentially explosive atmospheres. Two LEDs indicate the relay's status (READY/TRIPPED), providing quick visual diagnostics. Galvanic isolation is incorporated to protect connected circuits from voltage surges and ground loops. Additionally, it features a test/reset button for easy maintenance and troubleshooting, along with wire break and short circuit monitoring to detect and prevent potential faults.