✅ REL50457 – Schneider Electric Easergy P5M30 Protection Relay
The Schneider Electric REL50457 is a part of the Easergy P5 series—one of Schneider’s most advanced digital protection relays engineered for critical power and industrial applications. The P5M30 model is designed for motor protection, providing comprehensive monitoring, control, and communication capabilities with built-in cybersecurity. It operates on a wide auxiliary voltage range (48–250V AC/DC) and is equipped with RSTP Ethernet communication via RJ45, ensuring reliable and fast network integration.
With 3 CTs, 2 residual current inputs (Io), 4 VTs, and an extended I/O configuration of 16 digital inputs and 12 digital outputs, this relay enables full customization for diverse motor and feeder protection applications.
🔧 Technical Specifications:
Specification Details
Part Number REL50457
Model Easergy P5M30
Brand Schneider Electric
Auxiliary Voltage 48–250 V AC/DC
Current Inputs 3 × CT, 2 × Io (residual current)
Voltage Inputs 4 × VT
Digital Inputs / Outputs 16 DI / 12 DO
Communication Ports Ethernet RJ45
Supported Protocols RSTP, IEC 61850, Modbus TCP/IP, DNP3, etc.
Protection Type Motor, feeder, and transformer
Mounting Panel-mounted
Cybersecurity IEC 62443-ready (based on configuration)
🌟 Key Features:
✅ Advanced Motor Protection with high I/O density and VT/CT monitoring.
✅ RSTP Communication Protocol for redundancy and fast network recovery.
✅ High I/O Flexibility with 16 DI and 12 DO to fit complex system requirements.
✅ Universal Power Supply for global application support (AC/DC 48–250V).
✅ Seamless Integration with Schneider’s EcoStruxure architecture.
🧰 Applications:
Motor protection and control in industrial plants
Medium-voltage feeder protection
Substation automation and control
Water treatment, oil & gas, cement, and utilities infrastructure
Secure and redundant Ethernet-based energy systems