The Schneider Electric MICOM P343 is a generator protection relay designed for comprehensive protection of synchronous generators. This relay is part of the MICOM series, known for its advanced protection and control capabilities in power systems. It provides essential safeguarding functions to ensure the reliable and safe operation of generators in various industrial and utility applications.

Technical details

• Product Type: Generator Protection Relay
• Manufacturer Series: MICOM P343
• Protection Functions: Typically includes overcurrent, earth fault, overvoltage, undervoltage, frequency deviation, and reverse power protection. Specific functions depend on the exact configuration.
• Control Features: May include automatic reclosing, breaker failure protection, and synchrocheck functionality.
• Communication Capabilities: Often supports standard industrial communication protocols such as Modbus RTU/TCP, IEC 60870-5-101/104, or DNP3 for integration into SCADA systems.
• Power Supply: Operates on auxiliary AC or DC power supplies, with voltage ranges typically specified in the manufacturer's datasheet.
• Enclosure Type: Standard industrial panel-mount enclosure.
• Display: Features an LCD display for status indication and parameter configuration.

Applications & compatibility

The MICOM P343 is widely deployed in power generation facilities, including co-generation plants, independent power producers (IPPs), and utility substations. It is essential for protecting prime movers and generators in applications such as diesel generators, gas turbines, and hydroelectric units, ensuring operational continuity and preventing damage from electrical disturbances.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric MICOM P343 or contact our technical team for cross-reference assistance with compatible generator protection solutions.