Schneider Electric PowerLogic™ P3M30 Motor Protection Relay

The Schneider Electric PowerLogic™ P3M30 Motor Protection Relay is designed to provide dependable protection, control and monitoring for medium-voltage motors used in industrial and utility applications. It combines comprehensive motor protection with measurement, automation and communication functions, helping improve motor reliability and reduce unexpected downtime.

The relay continuously monitors motor operating conditions and responds quickly to overloads, phase faults, earth faults, locked rotor conditions and other electrical abnormalities. By identifying problems at an early stage, it helps protect valuable motors from damage while supporting efficient plant operation.

As part of the PowerLogic™ P3 family, the P3M30 integrates easily with SCADA, DCS and substation automation systems through modern communication protocols. Its user-friendly interface, programmable logic and event recording functions simplify commissioning, maintenance and fault analysis, making it suitable for both new installations and retrofit projects.

Specifications

• Manufacturer: Schneider Electric
• Product Family: PowerLogic™ P3
• Model: P3M30
• Relay Type: Motor Protection Relay
• Protection Application: Medium-Voltage Motors
• Motor Types: Induction Motors and Synchronous Motors
• Protection Functions: Thermal Overload, Locked Rotor, Stall Protection, Phase Overcurrent, Earth Fault, Phase Unbalance, Negative Sequence Overcurrent, Undercurrent, Overvoltage, Undervoltage, Frequency Protection and Breaker Failure Protection
• Communication Protocols: IEC 61850 Edition 1 & Edition 2, Modbus, DNP3 and IEC 60870-5-103
• Communication Interfaces: Serial and Ethernet
• Motor Monitoring: Supported
• Circuit Breaker Control: Integrated
• Human Machine Interface: LCD Display with Programmable Function Keys and LED Indications
• Event Recording: Supported
• Fault Recording: Supported
• Disturbance Recording: Supported
• Programmable Logic: Supported
• Time Synchronization: Supported
• Mounting: Flush Panel Mounting

Features

• Dedicated numerical relay for medium-voltage motor protection.
• Protects induction and synchronous motors against electrical faults.
• Thermal overload protection helps extend motor service life.
• Detects locked rotor, stall and phase imbalance conditions.
• Integrated earth fault and overcurrent protection.
• Motor monitoring functions improve maintenance planning.
• Circuit breaker control with programmable logic.
• Event, fault and disturbance recording for easier troubleshooting.
• Supports IEC 61850, Modbus, DNP3 and IEC 60870-5-103 communication protocols.
• Easy integration with SCADA, DCS and automation systems.
• User-friendly interface with programmable LEDs and function keys.
• Compact design suitable for new installations and retrofit applications.

Applications

• Medium-voltage motor control centres
• Industrial manufacturing plants
• Oil and gas facilities
• Mining and mineral processing plants
• Cement industries
• Chemical and petrochemical plants
• Water and wastewater treatment facilities
• Power generation plants
• Utility installations
• Infrastructure projects

The Schneider Electric PowerLogic™ P3M30 Motor Protection Relay provides reliable protection and intelligent monitoring for critical motor applications. Its combination of advanced protection functions, flexible communication and straightforward operation helps improve motor availability while reducing maintenance costs and unplanned shutdowns.