Schneider Electric PowerLogic™ P3U30 Universal Protection Relay

The Schneider Electric PowerLogic™ P3U30 Universal Protection Relay is a multifunction numerical relay developed for medium-voltage power distribution systems. It brings together protection, control, measurement and communication functions in one compact unit, making it suitable for feeder, motor, transformer and generator applications.

Designed for demanding industrial and utility installations, the P3U30 provides fast and selective protection against electrical faults while giving operators complete visibility of system performance. It helps protect valuable equipment from overloads, short circuits, earth faults and other abnormal operating conditions, reducing the risk of downtime and costly repairs.

The relay supports modern communication protocols over both serial and Ethernet networks, allowing easy integration with SCADA, DCS and substation automation systems. A clear graphical interface, programmable logic and comprehensive event recording make configuration, commissioning and maintenance straightforward. Whether used in a new installation or a retrofit project, the PowerLogic P3U30 offers a dependable solution for modern power distribution networks.

Specifications

• Manufacturer: Schneider Electric
• Product Family: PowerLogic™ P3
• Model: P3U30
• Relay Type: Universal Numerical Protection Relay
• Protection Applications: Feeders, Motors, Transformers and Generators
• Protection Functions: Phase Overcurrent, Earth Fault, Directional Earth Fault, Thermal Overload, Negative Sequence Overcurrent, Undercurrent, Breaker Failure, Auto Reclosing, Lockout Relay, Voltage Protection, Motor Start Supervision and Transformer Protection
• Communication Protocols: IEC 61850 Edition 1 & Edition 2, Modbus, DNP3 and IEC 60870-5-103
• Communication Interfaces: Serial and Ethernet
• Human Machine Interface: LCD Display with Programmable Function Keys, Push Buttons and LED Indications
• Circuit Breaker Control: Integrated
• Event Recording: Supported
• Fault Recording: Supported
• Disturbance Recording: Supported
• Programmable Logic: Supported
• Time Synchronization: Supported
• Relay Management Software: Supported
• Mounting: Flush Panel Mounting

Features

• Universal protection relay for medium-voltage electrical systems.
• Suitable for feeder, motor, transformer and generator protection.
• Fast response to overload, short circuit and earth fault conditions.
• Directional earth fault protection improves protection selectivity.
• Thermal overload protection helps extend equipment service life.
• Supports breaker failure protection and automatic reclosing functions.
• Integrated circuit breaker control with programmable logic.
• Event, fault and disturbance recording for easier fault analysis.
• Multilingual HMI with programmable LEDs and function keys.
• Supports IEC 61850, Modbus, DNP3 and IEC 60870-5-103 communication protocols.
• Serial and Ethernet communication for seamless integration with SCADA and automation systems.
• Flexible settings allow the relay to be adapted for different protection applications.

Applications

• Medium-voltage feeder protection
• Motor protection
• Distribution transformer protection
• Generator protection
• Utility substations
• Industrial power distribution systems
• Manufacturing facilities
• Mining and mineral processing plants
• Oil and gas installations
• Water and wastewater treatment plants
• Commercial and infrastructure projects

The Schneider Electric PowerLogic™ P3U30 Universal Protection Relay is designed for users who need one relay platform for multiple protection applications. Its combination of reliable protection, intelligent monitoring and flexible communication makes it well suited for today’s medium-voltage electrical networks.