✅ REL50451 – Schneider Electric PowerLogic P5F30 Protection Relay The Schneider Electric REL50451 is part of the PowerLogic P5 series, a high-performance digital protection relay designed for power distribution and motor control systems. This model, P5F30, offers comprehensive protection, measurement, control, and communication functionalities, all in a compact and rugged form factor. It supports advanced connectivity and redundancy protocols like RSTP and integrates via Ethernet RJ45 for seamless SCADA or energy management system integration. Ideal for medium-voltage switchgear, the P5F30 is configured with a flexible I/O setup, featuring 3 current transformer inputs (CTs), 2 residual current inputs (Io), 4 voltage transformer inputs (VTs), 10 digital inputs (DI), and 8 digital outputs (DO), making it a complete protection and control solution. 🔧 Technical Specifications: Specification Details Part Number REL50451 Model PowerLogic P5F30 Brand Schneider Electric Control Voltage Range 48–250 V DC/AC Current Inputs 3 × CT, 2 × Io (residual current) Voltage Inputs 4 × VT Digital Inputs / Outputs 10 DI / 8 DO Communication Ports Ethernet RJ45, RSTP protocol supported Network Protocols Modbus TCP, IEC 61850, DNP3 (varies by config) Mounting Type Panel mounting Display LCD / LED indicators (depending on model) Typical Use Case Transformer, feeder, and motor protection 🌟 Key Features: ✅ All-in-One Protection Relay for MV and HV applications. ✅ Multi-I/O Support – 10 digital inputs and 8 digital outputs. ✅ Flexible Power Supply (48–250V AC/DC) for universal application. ✅ Advanced Communication with Ethernet RJ45 and RSTP protocol. ✅ Ideal for SCADA Integration via PowerLogic system or third-party EMS. 🧰 Applications: Transformer protection and monitoring Feeder and busbar protection MV motor protection and interlocking Industrial, utility, and infrastructure energy systems Smart grid and remote substation automation