GE 369-HI-R-M-0-P1-0-E – Multilin 369 Series Motor Management Relay

Technical Specifications

• Manufacturer: GE Multilin (General Electric)
• Model: 369-HI-R-M-0-P1-0-E
• Series: Multilin 369 (Motor Management Relay Series)
• Control Power: 50–300 VDC / 60–265 VAC (high-control power, HI)
• RTD Inputs: 12 built-in RTD (Resistance Temperature Detector) inputs (R)
• Metering Package: Integrated precision metering (M)
• Communication Port: PROFIBUS DP interface (P1); no fiber-optic port (0)
• Conformal Coating: None (0)
• Diagnostics: Enhanced diagnostics with enhanced faceplate (E)
• Rated Current Input: 5 A (from CT secondary)
• Frequency: 50/60 Hz
• Protection Functions: Overload (inverse time), short circuit (instantaneous), ground fault, current imbalance, stall, underload, over/undervoltage, overspeed
• Metering Parameters: Current, voltage, power (kW/kVA/kvar), power factor, energy (kWh), frequency, thermal capacity utilization
• Output Contacts: 2 Form C electromechanical relays (trip/alarm); optional 2 Form A solid-state relays
• Display: 40-character LCD with keypad (local operation)
• Communication Protocols: PROFIBUS DP, Modbus RTU, DNP3
• Operating Temperature: -40°C to +70°C (-40°F to 158°F)
• Storage Temperature: -40°C to +85°C (-40°F to 185°F)
• Relative Humidity: 5%–95% (non-condensing)
• Dimensions (H×W×D): 305 mm × 127 mm × 203 mm (12 in × 5 in × 8 in)
• Weight: 4.5 kg (9.9 lbs)
• Certifications: UL 508, CE, IEC 60255 (industrial safety and EMC compliance)

Key Features

1. Comprehensive Motor Protection
   • Multi-layer protection for overload, short circuit, ground fault, phase imbalance, stall, and overheating.
   • Adaptive thermal modeling learns motor heating/cooling characteristics to prevent premature tripping during startups.
   • Load Encroachment Protection (LEP) avoids nuisance tripping during motor acceleration.
2. Integrated Precision Metering
   • High-accuracy (±0.5%) measurement of electrical parameters: current, voltage, power, energy, and frequency.
   • Real-time monitoring of motor operating conditions for performance optimization and energy management.
3. 12-Channel RTD Temperature Monitoring
   • 12 built-in RTD inputs monitor stator winding, bearing, and ambient temperatures.
   • Prevents overheating-related failures by triggering alarms/trips based on temperature thresholds.
4. PROFIBUS DP Communication
   • Integrated PROFIBUS DP port enables high-speed data exchange with PLCs, SCADA, and DCS systems.
   • Supports remote configuration, real-time data acquisition, and fault diagnostics via industrial networks.
5. Advanced Diagnostics & Waveform Capture
   • Captures 128 cycles of pre-/post-trip waveform data at 64 samples/cycle for fault root-cause analysis.
   • Stores up to 512 time-stamped event records (SER) with 1 ms resolution.
   • Motor health reports predict maintenance needs based on historical operating data.
6. User-Friendly Interface & Configuration
   • Local LCD display and keypad for on-site parameter setup and status monitoring.
   • Front USB port for quick configuration updates via GE EnerVista software.
   • Customizable logic functions to adapt to application-specific control requirements.
7. Rugged Industrial Design
   • Compact, metal-enclosed construction for durability in harsh industrial environments.
   • Wide operating temperature range and immunity to electromagnetic interference (EMI).
   • Designed for panel mounting in standard industrial control cabinets.

Application Scenarios

• Oil & Gas Industry
  • Protects large motors driving centrifugal compressors, pumps, and fans in refineries, pipelines, and LNG facilities.
  • Ensures reliable operation in harsh, explosive, and high-vibration environments.
• Water & Wastewater Treatment
  • Controls and monitors pump arrays, aeration blowers, and mixer motors in treatment plants.
  • Prevents motor damage from cavitation, dry running, or voltage fluctuations.
• Power Generation
  • Protects auxiliary motors (boiler fans, feedwater pumps, conveyors) in thermal, hydro, and renewable power plants.
  • Integrates with plant SCADA systems for centralized monitoring and control.
• Cement & Mining
  • Safeguards high-inertia motors for crushers, mills, conveyors, and kiln drives in cement plants and mining operations.
  • Withstands dust, vibration, and extreme temperature conditions.
• Manufacturing & Industrial Automation
  • Protects motors for machine tools, HVAC systems, material handling equipment, and production line conveyors.
  • Supports integration with PROFIBUS-based automation systems for smart factory applications.