The Siemens 3UG4512-1AR20 is a sophisticated analogue monitoring relay designed to ensure the stability and reliability of electrical systems. Engineered for precision, this device operates within a voltage range of 160 to 690 V ac, catering to a broad spectrum of industrial applications. Its compact dimensions of 22.5 x 91 x 83 mm allow for efficient use of panel space, while the snap-on mounting feature simplifies installation.
This relay is equipped with screw terminals, providing a secure and durable connection for a variety of conductor types. It is adept at monitoring phase sequences and detecting phase failures, which is crucial for safeguarding three-phase electrical equipment from potential damage caused by phase anomalies.
The 3UG4512-1AR20 is built to perform in diverse environments, with an operational temperature range of -25 to +60 °C and an installation altitude capability of up to 2000 metres above sea level. Its robust design ensures a long mechanical service life, making it a reliable choice for continuous monitoring tasks in industrial settings.
With its combination of functionality, durability, and ease of use, the Siemens 3UG4512-1AR20 is an essential component for maintaining the efficiency and safety of electrical systems in a variety of industrial contexts.