Description
The Siemens 3UG5816-2AA40 is a high-performance frequency, phase, and voltage monitoring relay built for industrial reliability. This certified device safeguards your three-phase electrical systems by detecting critical anomalies such as phase loss, phase reversal, undervoltage, and overvoltage. Its robust design ensures stable operation even in demanding environments, providing essential protection for your valuable equipment.
Featuring an adjustable voltage range from 90 to 760V AC, the Siemens 3UG5816-2AA40 offers flexibility for various applications. The SPDT output contact allows for straightforward integration into control circuits, enabling automatic shutdown or alarm signaling when faults are detected. Its DIN rail mounting simplifies installation within control panels.
This Siemens monitoring relay is crucial for maintaining the integrity of motors, pumps, compressors, and other sensitive machinery. By preventing damage caused by electrical imbalances, the Siemens 3UG5816-2AA40 helps to minimize downtime and reduce maintenance costs. It is an indispensable component for ensuring operational continuity and safety.
Choose the Siemens 3UG5816-2AA40 for reliable and comprehensive protection of your three-phase power systems. Ensure peace of mind with this advanced monitoring solution.







