MSR D Motor Protection Relay
Low Voltage

MSR-D Motor Protection Relay

Control Supply Voltage
110V – 230V - 110-230V AC/DC
Separate AUX
19-60 VDC
Supply Voltage
110V – 230V - 110-2
MSR D Motor Protection Relay

Comprehensive Protection, Monitoring, and Control for Low Voltage Motors

The MSR-D Motor Protection Relay from IGEL Electric provides advanced protection, monitoring, and control for low voltage motors operating in demanding industrial environments. Designed to maximize motor reliability and system availability, the MSR-D continuously monitors critical operating parameters and responds quickly to abnormal conditions before they can cause equipment damage or unplanned downtime.

Suitable for both standalone motor applications and Motor Control Center (MCC) installations, the MSR-D delivers the intelligence required to protect valuable motor assets while improving operational efficiency.

Advanced Motor Protection for Critical Applications

Electric motors are among the most important assets in any industrial facility. The MSR-D helps safeguard these assets through comprehensive protection functions designed to detect electrical and operational abnormalities before they impact production.

The system protects against a wide range of motor faults and operating conditions, helping reduce maintenance costs, extend equipment life, and improve process reliability.

Real-Time Monitoring and Operational Insight

In addition to protection, the MSR-D provides continuous monitoring of key motor parameters, enabling operators and maintenance teams to make informed decisions based on real-time operating data.

By providing greater visibility into motor performance, the system supports proactive maintenance strategies and helps identify potential issues before they develop into costly failures.

Optimized for Motor Control Centers (MCCs)

The MSR-D is ideally suited for Motor Control Center (MCC) applications where centralized motor management, protection, and monitoring are essential.

Its flexible architecture allows seamless integration into industrial control systems, helping operators improve asset management, simplify troubleshooting, and maintain consistent process performance across multiple motor-driven applications.

Improve Reliability and Reduce Downtime

Unexpected motor failures can result in costly production interruptions and increased maintenance expenses. The MSR-D helps minimize these risks by providing fast fault detection, intelligent motor protection, and continuous condition monitoring.

By protecting motors throughout their operating lifecycle, the MSR-D contributes to increased equipment availability, improved plant productivity, and reduced total cost of ownership.

Built for Modern Industrial Operations

Engineered for reliability and ease of integration, the MSR-D combines advanced motor protection technology with powerful monitoring capabilities in a compact and user-friendly solution.

Whether used in manufacturing, water and wastewater facilities, mining operations, HVAC systems, or industrial processing plants, the MSR-D delivers dependable motor protection and monitoring for critical low voltage motor applications.

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Features

  • Monitoring 3-phase currents, 1-phase voltage and 3 temperature inputs
  • Comprehensive protection and control package
  • Power measurement (single phase voltage measurement)
  • Energy (KWH) display and energy pulse output
  • Programmable analogue output
  • Real time clock
  • Statistical data of last 10 trips, with time and date stamp
  • RTD Bias (for Thermal Overload)
  • Unbalance (Negative and Positive Sequence)
  • Unbalance minimum time 1-30 seconds, preventing fast response
  • Multiple Thermal Overload curves
  • Unbalance Bias (for Thermal Overload)
  • Unique built-in software, allowing the learning of current and temperature fault simulation
  • Too Many Starts Pre-Alarm, configurable to energize dedicated output relay
  • >0 Energizes output relay B upon Trip (upstream breaker trip)
  • Every fault group can be configured to energize output relays A, B & C
  • No Start Process – starting method, allowing switching to run, if I>= 10%
  • Capture and display of minimum and maximum RMS average of three phase current, one voltage, minimum and maximum frequency
  • G/F During Start setting, new feature to eliminating nuisance ground fault tripping with residual CT
  • Emergency Restart function
  • Restart (after mains or control voltage failure)
  • Separate Aux Power Supply and Control Voltage
  • MODBUS group of 20 user selected actual data parameters for fast scanning
  • MODBUS communication (up to 19200 bps) – Remote parameter programming, control & supervision
  • 6 programmable discrete inputs
  • 6 programmable output relays
  • Dual control input AC or DC (same unit for 85V to 230V)
  • Small din standard dimensions (fits into MCC drawer)
  • Cost effective control solution
  • Easy installation & operation

Options

  • Modbus
  • Profibus

Advantages

water treatment for MSR
  • Advance motor protection and control relay
  • Protects, controls and supervises

Contact Us

For any questions and further information

    IGEL Electric develops, manufactures, and globally distributes innovative power electronics solutions, with a focus on next-generation medium-voltage switchgear. All components-both proprietary and standard—undergo strict quality control to ensure they meet the precise requirements of each project.