Product Short Description
Function Characteristics
- 5A Phase CT Compatibility: P5 5A phase CT secondary inputs ensure accurate current measurement and protection for motors with Function Characteristics
5A Phase CT Compatibility: P5 5A phase CT secondary inputs ensure accurate current measurement and protection for motors with 5A CT installations, eliminating the need for CT ratio adapters.
High-Integrity Control Power: 90-300 VDC / 70-265 VAC wide-range power input ensures stable operation across global industrial power systems, with extended trip holdup times for reliable fault response.
4 Configurable Analog Outputs: A20 4-20 mA outputs transmit real-time motor parameters (current, voltage, power, temperature) to SCADA/DCS for centralized monitoring and control.
Enhanced Front Panel: 40-character backlit LCD and front-panel keypad enable quick configuration, real-time status checks, and on-site fault diagnostics, reducing setup and troubleshooting time.
SR469-CASE Mounting: Standard mounting case facilitates easy panel or 19-inch rack installation, ensuring seamless integration into MCCs and industrial control cabinets.
Comprehensive Protection Suite: Delivers thermal overload, short circuit, ground fault, locked rotor, phase loss/unbalance, undervoltage, overvoltage, underfrequency, and breaker failure protection to cover all critical motor fault scenarios.
Advanced Diagnostics: Enhanced motor diagnostics, extended event logging, security audit trail, and oscillography enable root-cause analysis, minimizing downtime and optimizing maintenance schedules.
Flexible I/O Configuration: 8 digital inputs and 6 Form-C outputs are customizable for control, alarm, and interlock functions, supporting integration with external safety systems.
Waveform Capture: 128-samples-per-cycle oscillography captures voltage/current waveforms for detailed post-fault analysis and system optimization.
Seamless System Integration: Isolated RS-485 (Modbus RTU) and RS-232 ports support connection to SCADA, DCS, and other industrial control systems for centralized monitoring and remote management.
RTD Temperature Monitoring: Supports multiple RTD types for direct temperature measurement of motor windings and bearings, enabling early detection of thermal issues.5A CT installations, eliminating the need for CT ratio adapters. - High-Integrity Control Power: 90-300 VDC / 70-265 VAC wide-range power input ensures stable operation across global industrial power systems, with extended trip holdup times for reliable fault response.
- 4 Configurable Analog Outputs: A20 4-20 mA outputs transmit real-time motor parameters (current, voltage, power, temperature) to SCADA/DCS for centralized monitoring and control.
- Enhanced Front Panel: 40-character backlit LCD and front-panel keypad enable quick configuration, real-time status checks, and on-site fault diagnostics, reducing setup and troubleshooting time.
- SR469-CASE Mounting: Standard mounting case facilitates easy panel or 19-inch rack installation, ensuring seamless integration into MCCs and industrial control cabinets.
- Comprehensive Protection Suite: Delivers thermal overload, short circuit, ground fault, locked rotor, phase loss/unbalance, undervoltage, overvoltage, underfrequency, and breaker failure protection to cover all critical motor fault scenarios.
- Advanced Diagnostics: Enhanced motor diagnostics, extended event logging, security audit trail, and oscillography enable root-cause analysis, minimizing downtime and optimizing maintenance schedules.
- Flexible I/O Configuration: 8 digital inputs and 6 Form-C outputs are customizable for control, alarm, and interlock functions, supporting integration with external safety systems.
- Waveform Capture: 128-samples-per-cycle oscillography captures voltage/current waveforms for detailed post-fault analysis and system optimization.
- Seamless System Integration: Isolated RS-485 (Modbus RTU) and RS-232 ports support connection to SCADA, DCS, and other industrial control systems for centralized monitoring and remote management.
- RTD Temperature Monitoring: Supports multiple RTD types for direct temperature measurement of motor windings and bearings, enabling early detection of thermal issues.
Description
Product Introduction
This relay is a premium motor management solution engineered to protect, monitor, and control industrial motors with advanced functionality and robust operational capabilities, housed in the SR469-CASE standard mounting case for easy installation and integration. It integrates 5A phase CT secondary compatibility for accurate current measurement, a high-integrity wide-range power supply (90-300 VDC / 70-265 VAC) for stable operation across diverse industrial power systems, 4 analog outputs for seamless integration with SCADA/DCS systems, and an enhanced front panel with a 40-character backlit LCD for intuitive local configuration and real-time status monitoring. The relay uses advanced microprocessor technology to deliver full-spectrum protection against electrical and thermal faults, alongside enhanced diagnostics for in-depth motor health assessment. It supports integration with MCCs and supervisory control systems, maximizing motor uptime, reducing maintenance costs, and ensuring safe, efficient operation in harsh industrial environments. It combines precise fault detection, real-time performance monitoring, and actionable data logging to optimize motor operation and extend service life.
Technical Specifications
| Specification | Details |
|---|---|
| Series | GE Multilin 469 Motor Management Relay |
| Product Type | 5A Phase CT High-Integrity Motor Management Relay with 4 Analog Outputs, Enhanced Front Panel, Standard Mounting Case |
| Mounting Case | SR469-CASE: Standard mounting case for panel or 19-inch rack installation, compatible with motor control centers (MCCs) |
| Control Power Supply | HI: 90-300 VDC / 70-265 VAC (48-62 Hz), 20 VA nominal power, 65 VA maximum power |
| Phase Current Inputs | P5: 5 A nominal (CT-connected); frequency range 20-100 Hz; True RMS conversion, 1.04 ms/sample |
| Ground Current Input | 5 A nominal (dedicated ground CT input); frequency range 20-100 Hz |
| Voltage Input | Up to 600 V AC (line voltage monitoring for phase-related protection) |
| Analog Outputs | A20: 4 analog outputs (4-20 mA), configurable for current, voltage, power, or temperature signals |
| Front Panel | E: Enhanced 40-character backlit LCD with front-panel programming, enhanced diagnostics, extended event recorder, security audit trail |
| RTD Inputs | Supports RTD types: 100Ω platinum, 100Ω nickel, 120Ω nickel, 10Ω copper for motor winding/bearing temperature monitoring |
| Digital Inputs | 8 opto-isolated digital inputs for external control/interlock signals (24 V DC, 6 mA sinking current) |
| Output Relays | 6 Form-C contacts, rated 5 A at 250 V AC and 0.5 A at 30 V DC |
| Communication Interfaces | Isolated RS-485 (Modbus RTU), non-isolated RS-232 port for local configuration and EnerVista software connection |
| Operating Temperature | -40°C to +70°C (harsh industrial environment tolerance) |
| Storage Temperature | -40°C to +85°C |
| Enclosure Protection | Front panel IP30; NEMA 1/IP20 when mounted in MCC |
| Dimensions (H x W x D) | 296 mm x 107 mm x 205 mm |
| Weight | 4.5 kg (approximate); SR469-CASE adds 1.2 kg for total ~5.7 kg |
| Accuracy | Overload trip: ±1% of displayed value; current measurement: ±0.2% of full scale; voltage measurement: ±0.5% of full scale |
| Event Recorder | Stores up to 200 fault events with time stamps; security audit trail for operational accountability |
| Waveform Capture | Oscillography with 128 samples per cycle for voltage/current post-fault analysis |
| Analog Output Accuracy | ±1% of full scale; configurable for 0-20 mA or 4-20 mA signals |
| Power Consumption | 20 VA nominal, 65 VA maximum |
| Trip Holdup Time | 200 ms non-failsafe; 100 ms failsafe |
| Certifications | UL, CSA, CE compliant; meets IEC 61850 standards |
Application Scenarios
- Industrial Motor Control Centers (MCCs): Protects and manages motors driving pumps, fans, compressors, conveyors, and mixers in manufacturing plants, ensuring continuous production and reducing downtime—SR469-CASE enables seamless MCC integration.
- Oil and Gas Industry: Safeguards motors in pipeline compressors, wellhead pumps, and refinery process equipment, adapting to high-temperature and remote operating environments, with 4 analog outputs for SCADA integration in remote sites.
- Power Generation Facilities: Protects auxiliary motors in thermal, hydro, and nuclear power plants (boiler feed pumps, cooling tower fans, condensate pumps), with high-integrity power supply and enhanced diagnostics ensuring reliable power generation.
- Water and Wastewater Treatment Plants: Shields motors in aerators, sludge pumps, and filtration systems, with robust protection against overloads and phase-related faults in humid/corrosive environments, and 4 analog outputs for process control integration.
- Mining and Heavy Industry: Protects motors in crushers, grinders, and material-handling systems, withstanding vibration, dust, and extreme temperatures common in mining operations, and 5A CT compatibility for mine-specific installations.
- Chemical Processing: Ensures motor reliability in agitators, reactors, and transfer pumps, with enhanced diagnostics supporting predictive maintenance to maintain production continuity—SR469-CASE resists chemical vapors and dust.
- Pulp and Paper Mills: Manages motors in pulp digesters, paper machines, and drying systems, with 5A CT compatibility for mill-specific electrical systems and SR469-CASE facilitating easy integration into existing control cabinets.
Additional Information
- Configuration Software: Compatible with GE Multilin EnerVista 469 software for remote configuration, real-time monitoring, and data logging, including analog output parameter setup.
- User Manual: Official user manual (GEK-106613C) provides detailed installation, configuration, and troubleshooting guidelines, including 5A CT integration and SR469-CASE mounting steps.
- Warranty: 12-month standard warranty, with extended warranty options available for critical applications in harsh environments.
- Replacement Compatibility: Directly replaces older 469 series relays, with backward-compatible wiring and programming for seamless upgrades—SR469-CASE fits existing mounting cutouts.
- Maintenance Requirements: Minimal maintenance; annual calibration of current inputs and software updates recommended; analog output calibration every 2 years for accuracy; SR469-CASE inspection every 3 years to ensure mounting integrity.
- Environmental Compliance: Meets pollution degree II, overvoltage category II requirements for safe operation in industrial settings, with SR469-CASE enhancing reliability in pollution degree III environments.
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