Product Short Description
Function Characteristics
- 1A Phase CT Compatibility: P1 1A phase CT secondary inputs ensure precise current measurement and protection for motors with 1A 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 Analog Outputs: A20 4 analog outputs (configurable 4-20 mA) enable seamless integration with SCADA, DCS, and other industrial control systems for real-time data transmission of motor parameters.
- Comprehensive Protection Suite: Delivers overload (thermal model-based), short circuit, ground fault, locked rotor, phase loss/unbalance, undervoltage, overvoltage, underfrequency, and breaker failure protection to cover all critical motor fault scenarios.
- Enhanced Front Panel: Larger LCD with backlighting and front-panel programming for intuitive local configuration, real-time status monitoring, and fault diagnostics, reducing setup and troubleshooting time.
- Advanced Metering Capabilities: Provides detailed electrical parameter measurement (voltage, current, kW, kvar, kVA, PF, Hz, kWh, MWh) for performance analysis, energy management, and predictive maintenance.
- Enhanced Diagnostics: Offers enhanced motor diagnostics, extended event recorder, security audit trail, and oscillography for in-depth troubleshooting and root-cause identification, minimizing downtime and improving maintenance efficiency.
- Flexible I/O Configuration: 8 digital inputs and 6 Form-C output relays, customizable to match specific application requirements for control and alarm functions, supporting integration with external interlock and control systems.
- Waveform Capture: Captures voltage and current waveforms at 128 samples per cycle to enable detailed post-fault analysis and root-cause identification.
- Seamless System Integration: Isolated RS-485 (Modbus RTU) and RS-232 ports support integration with industrial control systems for centralized monitoring and control.
- Robust Environmental Tolerance: Operates reliably in extreme temperature ranges (-40°C to +70°C) and withstands vibration, dust, and humidity common in industrial environments, ensuring long-term durability.
- Thermal Model Protection: Advanced thermal model with thermal memory accurately simulates motor winding temperature, providing precise overload protection and preventing motor damage from overheating.
- Multiple RTD Support: Compatible with various RTD types for direct temperature monitoring of motor windings, bearings, and stator, 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. It integrates 1A phase CT secondary compatibility for precise 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 larger LCD for 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 motor control centers (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 | 1A Phase CT High-Integrity Motor Management Relay |
| Control Power Supply | HI: 90-300 VDC / 70-265 VAC (48-62 Hz), 20 VA nominal power, 65 VA maximum power |
| Phase Current Inputs | P1: 1 A nominal (CT-connected); frequency range 20-100 Hz; True RMS conversion, 1.04 ms/sample |
| Ground Current Input | 1 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 |
| Digital Inputs | 8 programmable digital inputs for external control/interlock signals |
| 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 |
| Front Panel | E: Enhanced front panel with larger LCD, backlit for clear viewing in low-light environments, supports front-panel programming |
| 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) |
| Accuracy | Overload trip accuracy ±1% of displayed value; current measurement accuracy ±0.2% of full scale; voltage measurement accuracy ±0.5% of full scale |
| Certifications | UL, CSA, CE compliant; meets IEC 61850 standards |
| Event Recorder | Stores up to 200 fault events with time stamps; enhanced event logging with security audit trail |
| Waveform Capture | Oscillography with 128 samples per cycle for voltage and current waveforms |
| RTD Inputs | Supports multiple RTD types (100Ω platinum, 100Ω nickel, 120Ω nickel, 10Ω copper) for temperature monitoring |
| 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 trip holdup; 100 ms failsafe trip holdup |
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.
- 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.
- Power Generation Facilities: Protects auxiliary motors in thermal, hydro, and nuclear power plants, such as boiler feed pumps, cooling tower fans, and condensate pumps, supporting reliable power generation with advanced diagnostics.
- Water and Wastewater Treatment Plants: Shields motors in aerators, sludge pumps, and filtration systems, with robust protection against overloads and phase-related faults in corrosive and humid environments.
- Mining and Heavy Industry: Protects motors in crushers, grinders, and material-handling systems, withstanding vibration, dust, and extreme temperatures common in mining operations, with 1A CT compatibility for mine-specific installations.
- Chemical Processing: Ensures motor reliability in agitators, reactors, and transfer pumps, supporting continuous production with precise fault detection and protection, and enhanced diagnostics for predictive maintenance.
- Automotive Manufacturing: Manages motors in assembly lines, paint shops, and material handling systems, with 4 analog outputs for seamless connectivity with factory automation systems, optimizing production efficiency.
Additional Information
- Configuration Software: Compatible with GE Multilin EnerVista 469 software for remote configuration, real-time monitoring, and data logging, supporting analog output parameter setup.
- User Manual: Official user manual (GEK-106613C) provides detailed installation, configuration, and troubleshooting guidelines, including 1A CT integration steps.
- Warranty: 12-month standard warranty, with extended warranty options available for critical applications.
- Replacement Compatibility: Directly replaces older 469 series relays, with backward-compatible wiring and programming for seamless upgrades, including 1A CT and analog output capabilities.
- Maintenance Requirements: Minimal maintenance; annual calibration of current inputs and software updates recommended to maintain optimal performance; analog output calibration every 2 years for accuracy.
- Environmental Compliance: Meets pollution degree II, overvoltage category II requirements for safe and reliable operation in industrial settings.
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