Siemens 7UM6211-5EB92-3FA0 SIPROTEC 4 Generator Protection Relay

The Siemens 7UM6211-5EB92-3FA0 (7UM6211-5EB92-3FA0) is a SIPROTEC 4 series multifunction protection relay designed for comprehensive generator protection, power station automation, and electrical grid monitoring. Built for medium to large generators, synchronous motors, and power utility installations, this numerical protection unit provides advanced monitoring, control, and fault detection across industrial and electrical transmission systems. Key technical characteristics include high-performance protection algorithms, integrated binary inputs and outputs for control interlocks, communication interface capabilities for substation automation, and a robust housing rated for demanding electrical environments. With a net unit weight of approximately 10 kg, it offers reliable continuous operation in switchgear cabinets and control rooms. The relay serves critical protection functions including overcurrent, differential, impedance, and earth-fault protection to safeguard power generation equipment against operational anomalies. Widely deployed in power generation plants, heavy process facilities, and utility substations, it ensures high availability and system security during maintenance, retrofit, or replacement projects.