GE UR9KH/M60 | Motor Protection Relay for Power Generation & Manufacturing

Product Description

The GE Multilin UR9KH/M60 is a cutting-edge Motor Protection Relay designed to provide comprehensive protection, control, and monitoring for medium to large motors. Ideal for industries such as power generation, petrochemical, mining, and manufacturing, this relay system ensures optimal motor performance and reliability.

The UR9KH/M60 integrates advanced thermal modeling, RTD inputs, and broken rotor bar detection, offering superior protection against faults such as overloads, thermal damage, and unbalance conditions. The relay also supports two-speed motors and reduced voltage starting, making it a versatile solution for various motor configurations.

With its high-performance CPU module, multi-protocol communication, and integrated process control, the UR9KH/M60 simplifies automation systems by reducing the need for external controllers. It also provides advanced fault recording, oscillography, and extensive diagnostics, which are essential for post-event analysis and predictive maintenance.

Technical Specifications

Protection Functions:

• Overload protection

• Thermal modeling with RTD biasing

• Unbalance detection

• Stator differential protection

• Reverse and low forward power detection

• Broken rotor bar detection

CPU & Performance (UR9KH):

• High-performance CPU for fast logic execution

• Supports advanced fault recording and oscillography for system analysis

Communication Interfaces:

• Ethernet, RS-232, RS-485, and optional fiber optic ports

• Supports Modbus, DNP3, IEC 61850, and GE SRTP protocols

• Compatible with EnerVista UR software for configuration and monitoring

Physical Specifications:

• Weight: 10 oz (0.75 kg)

• Dimensions: 6 × 7 × 1.5 in

Environmental Ratings:

• Operating Temperature: –40 °C to +85 °C

• Humidity: **5–95% non-condensing

• IP67 rated for rugged protection

FAQ

1. What is the UR9KH/M60 used for?

The UR9KH/M60 is a Motor Protection Relay designed for medium to large motors in industries such as power generation, petrochemical, mining, and manufacturing. It provides protection, control, and monitoring functions, including thermal modeling and stator differential protection.

2. What motor protection features does the UR9KH/M60 include?

The relay offers overload protection, thermal modeling, unbalance detection, stator differential protection, and broken rotor bar detection, ensuring comprehensive protection for motors in various industrial applications.

3. How does the UR9KH/M60 communicate with other devices?

The UR9KH/M60 supports multiple communication protocols including Modbus, DNP3, IEC 61850, and GE SRTP, allowing easy integration with SCADA/DCS systems for remote monitoring and control.

4. Is the UR9KH/M60 suitable for harsh environments?

Yes, the relay has an IP67 protection rating, which ensures its reliability and durability even in extreme temperatures (from –40 °C to +85 °C) and humid conditions (5–95% non-condensing humidity).

5. Can the UR9KH/M60 be used for two-speed motors?

Yes, the UR9KH/M60 supports two-speed motors and provides reduced voltage starting, offering flexibility for different motor configurations.