The Schneider Electric Micom P121 overcurrent relay, identified by part number A00A112AE, is a critical component within the Areva/Alstom Micom protection relay family. This device is engineered for robust overcurrent protection in electrical distribution systems, ensuring the integrity and safety of industrial power infrastructure. Its design focuses on reliable detection and response to fault conditions, safeguarding equipment from damage.

Technical details

• Series: Micom P121
• Manufacturer: Schneider Electric (formerly Areva/Alstom)
• Product Type: Overcurrent Relay
• Protection Functions: Overcurrent (definite time and inverse time characteristics)
• Control Voltage: Typically 110-240V AC/DC (verify with manufacturer datasheet for specific model configuration)
• Communication Protocol: May support protocols such as Modbus RTU or IEC 60870-5-101/104 for remote monitoring and control (verify with manufacturer datasheet)
• Mounting: Panel mount design suitable for standard control cabinets
• Display: Integrated LED indicators for status and fault indication

Applications & compatibility

This Micom P121 relay is commonly deployed in medium and low voltage switchgear for substations, industrial facilities, and power generation plants. It is essential for protecting transformers, feeders, motors, and generators against damaging overcurrent conditions. Its compatibility extends to various protection schemes requiring precise and reliable overcurrent detection.

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 A00A112AE or contact our technical team for cross-reference assistance with compatible Micom protection relay components.