The Siemens 3UG4511-2BP20 is a sophisticated analog monitoring relay designed for phase sequence monitoring across three phases with voltage ranges between 320 to 500 V AC at 50 to 60 Hz. This relay is an integral component of the SIRIUS product family, renowned for its reliability and precision in industrial applications.
Crafted with a compact design, the relay boasts a width of just 22.5 mm, making it an ideal choice for space-constrained environments. Its spring-type connection system ensures a secure and maintenance-free electrical connection, which is crucial for consistent performance in demanding settings.
The 3UG4511-2BP20 is equipped with two change-over contacts, providing flexibility in control circuit design and allowing for integration into a variety of control schemes. The relay's LED display offers immediate visual feedback on the operational status, enhancing ease of monitoring and diagnostics.
Engineered to withstand challenging industrial conditions, the relay can operate at installation altitudes up to 2000 meters above sea level and within a broad ambient temperature range from -25 to +60 °C. Its robust construction ensures resistance to shock and vibration, complying with international standards such as IEC 60068-2-27 and IEC 60068-2-6.
This monitoring relay is particularly suitable for applications where phase sequence and integrity are critical for the operation of machinery and equipment. Its ability to detect phase sequence ensures that motors and other three-phase loads operate correctly, safeguarding against potential damage caused by phase reversal.
The Siemens 3UG4511-2BP20 is a testament to Siemens' commitment to quality and innovation, providing a reliable solution for industrial automation and control systems. Its combination of advanced features and durable design makes it a valuable asset for maintaining operational efficiency and protecting valuable equipment.