Product Short Description
Function Characteristics
- Low-Voltage Control Power: 20-60 VDC / 20-48 VAC control power supply, ideal for integration into low-voltage industrial control systems, ensuring stable operation in specific power environments.
- 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.
- Advanced Metering Capabilities: Metering package provides detailed electrical parameter measurement for performance analysis, energy management, and predictive maintenance, supporting efficient energy usage and cost reduction.
- 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 SCADA, DCS, and other 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.
Description
Product Introduction
This relay is a key model in the GE Multilin 369 series, designed to deliver reliable protection, real-time monitoring, and advanced diagnostics for industrial motors with a low-voltage control power supply. It incorporates a dedicated metering package for detailed electrical parameter measurement and enhanced diagnostics for in-depth motor health assessment. The relay leverages advanced microprocessor technology to detect and mitigate electrical and thermal faults promptly, track performance in real time, and provide actionable operational data. It seamlessly integrates with motor control centers (MCCs) and industrial automation systems via standard communication ports, maximizing motor uptime, reducing maintenance costs, and ensuring safe, efficient operation in diverse industrial settings. It combines precise fault detection, real-time monitoring, and data logging to optimize motor operation and extend service life.
Technical Specifications
| Specification | Details |
|---|---|
| Series | GE Multilin 369 Motor Management Relay |
| Product Type | Low-Voltage Motor Management Relay |
| Control Power Supply | LO: 20-60 VDC / 20-48 VAC (50/60 Hz), 20 VA nominal power, 65 VA maximum power |
| RTD Inputs | 0: No built-in RTD inputs |
| Metering Package | M: Metering package included (measures voltage, current, kW, kvar, kVA, PF, Hz, kWh, MWh in real time) |
| Fiber Optic Port | 0: No optional fiber optic port |
| Protocol Interfaces | 0: No optional protocol interfaces beyond standard ports |
| Harsh Environment Option | 0: No harsh environment upgrade |
| Diagnostics & Faceplate | E: Enhanced diagnostics (enhanced motor diagnostics, extended event recorder, security audit trail) and enhanced faceplate |
| Phase Current Inputs | 5 A nominal (CT-connected); supports 1 A CT with configuration; frequency range 20-100 Hz |
| 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) |
| Operating Frequency | 50/60 Hz (global power system compatibility) |
| 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 |
| 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 |
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.
- Food and Beverage Industry: Safeguards motors in processing lines, packaging equipment, and refrigeration systems, with precise protection and monitoring to maintain production quality and efficiency.
- Pharmaceutical Manufacturing: Ensures motor reliability in mixing, blending, and packaging processes, adhering to strict operational standards with enhanced diagnostics for quality control.
- 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.
- Commercial HVAC Systems: Manages large-capacity motors in heating, ventilation, and air-conditioning systems, optimizing energy efficiency and preventing costly breakdowns.
- Automotive Manufacturing: Controls motors in assembly lines, paint shops, and material handling systems, supporting seamless production with reliable protection and monitoring.
- Textile Industry: Protects motors in spinning, weaving, and dyeing equipment, ensuring consistent operation and minimizing production disruptions.
Additional Information
- Configuration Software: Compatible with GE Multilin EnerVista 369 software for remote configuration, real-time monitoring, and data logging.
- User Manual: Official user manual (GEK-106613C) provides detailed installation, configuration, and troubleshooting guidelines.
- Warranty: 12-month standard warranty, with extended warranty options available for critical applications.
- Replacement Compatibility: Directly replaces older 369 series relays, with backward-compatible wiring and programming for seamless upgrades.
- Maintenance Requirements: Minimal maintenance; annual calibration of current inputs and software updates recommended to maintain optimal performance.
- Environmental Compliance: Meets pollution degree II, overvoltage category II requirements for safe and reliable operation in industrial settings.
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