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Product Description

Advanced Protection for Medium to Large Motor Systems

The M60 (Model: M60) is a premier Motor Protection System part of the GE Multilin UR (Universal Relay) family, specifically engineered for the comprehensive protection and control of medium to large-sized three-phase motors. As a high-performance Intelligent Electronic Device (IED), the M60 (Catalog Number: M60) integrates advanced electrical, mechanical, and thermal protection elements into a single modular chassis. It is designed to handle complex motor applications, including two-speed motors, reduced voltage starting, and high-inertia loads in heavy industries like mining, petrochemicals, and power generation.

Detailed Technical Specifications

The M60 (M60) provides utility-grade sensing and high-speed logic for demanding industrial environments, ensuring maximum operational uptime.

  • Manufacturer: GE Grid Solutions (GE Multilin)

  • Model Designation: M60

  • Series: Universal Relay (UR) Series

  • Primary Protection: Stator Differential (87M), Thermal Model (49), Broken Rotor Bar Detection

  • Monitoring Elements: Phase Unbalance (46), Ground Fault (50G/51G), Jam/Locked Rotor (48)

  • Voltage & Frequency: Under/Over Voltage (27/59), Under/Over Frequency (81U/O)

  • Thermal Inputs: Supports internal RTD modules or external RRTD modules for precision tracking

  • Logic Engine: FlexLogic™ programmable logic (up to 1024 lines) for custom automation

  • Data Recording: 64-sample/cycle oscillography; 1024 sequence-of-events records

  • Communication Protocols: IEC 61850, Modbus TCP/RTU, DNP3, EGD (Ethernet Global Data)

  • Synchrophasor Support: Embedded PMU per IEEE C37.118

  • Environmental: –40°C to +85°C operating temperature

  • Mounting: Standard 19-inch 6U UR Chassis

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