Product Short Description
Product Overview
The 369-HI-R-M-0-P-0-E is a high-performance, industrial-grade digital relay designed by GE Multilin (Emerson) for comprehensive protection, monitoring, and control of three-phase AC motors. It integrates advanced protection, precision metering, 12-channel RTD-based thermal monitoring, and Profibus DP communication into a compact, panel-mountable unit. This model is optimized for medium-to-large critical motors in harsh environments, ensuring operational reliability, safety, and simplified maintenance.
Description
Technical Specifications
- Manufacturer: General Electric (GE Multilin / Emerson Automation Solutions)
- Series: Multilin 369
- Model Number: 369-HI-R-M-0-P-0-E
- Control Power (HI): 50–300 VDC / 60–264 VAC, 50/60 Hz; 20 VA nominal, 65 VA max
- Current Input: 5 A (CT secondary), True RMS, 1.04 ms/sample; Ground fault: 20–100 Hz
- Voltage Input (VT): Up to 600 VAC (line-to-line)
- RTD Inputs (R): 12 built-in channels; supports 100Ω Pt, 100Ω Ni, 120Ω Ni, 10Ω Cu
- Analog Output: 1 configurable (0–1 mA, 0–20 mA, 4–20 mA)
- Digital Inputs: 6 optically isolated (24–250 VAC/DC)
- Output Contacts: 2 Form C (trip/alarm); 2 Form A solid-state (optional)
- Display: 40-character backlit LCD with keypad (local programming/reads)
- Communication (P): Profibus DP; 1 × RS232 (front), 3 × RS485 (rear); supports Modbus RTU, DNP3
- Event Log: 512 time-stamped events (trips, alarms, faults, self-tests)
- Waveform Capture: 3 buffers, 16 cycles each (all currents/voltages) for fault analysis
- Operating Temperature: -40°C to +60°C (-40°F to +140°F)
- Storage Temperature: -40°C to +80°C (-40°F to +176°F)
- Humidity: Up to 95% non-condensing
- Dimensions: 296 mm (H) × 107 mm (W) × 205 mm (D) (12” × 5” × 8”)
- Weight: Approx. 4.5 kg (9.9 lbs)
- Certifications: CE, UL, CSA, IEC 60255; Pollution Degree II, Overvoltage Category II
Key Features
1. Comprehensive Motor Protection
- Electrical Faults: Overload (I²t thermal model, 49), short circuit, ground fault, phase unbalance, undercurrent, over/undervoltage, stall, jam, reverse rotation
- Mechanical & Thermal: 12 RTDs for stator/bearing/ambient temperature monitoring; RTD overtrip, motor jam, stall protection
- Flexible Curves: Standard ANSI/IEEE curves + user-programmable FlexCurve™ for custom protection profiles
2. Precision Metering & Monitoring (M Package)
- Real-time measurements: 3-phase current/voltage, power (kW/kVA/kVAR), energy (kWh/MWh), frequency, power factor, thermal capacity used
- Data logging for performance trending and energy management
3. Advanced Diagnostics (E Option)
- Motor health reports based on historical data; predictive maintenance alerts
- Fault location and root-cause analysis via waveform capture and event logs
- Self-test diagnostics with fault annunciations
4. Seamless Industrial Communication (P Option)
- Profibus DP for high-speed integration with PLC/SCADA/DCS systems
- Multiple serial ports for local/remote programming and data access
- EnerVista 369 software for PC-based configuration, monitoring, and data retrieval
5. User-Friendly Operation
- Intuitive LCD/keypad for local setup, status viewing, and fault interrogation
- Programmable logic for custom control sequences (e.g., auto-restart, interlocks)
- Compact, rugged design for panel mounting in industrial environments
Applications
- Oil & Gas: Pumps, compressors, fans, and motors in upstream/downstream operations
- Water & Wastewater: Critical pump motors, blowers, and aeration systems
- Power Generation: Auxiliary motors (boiler fans, feed pumps, cooling tower motors) in thermal/hybrid plants
- Chemical & Petrochemical: Process motors, mixers, extruders, and material handling equipment
- Manufacturing: Conveyors, machine tools, and production line motors (food & beverage, automotive, metals)
- Mining & Minerals: Crushers, mills, conveyors, and dewatering pumps
Summary
The GE 369-HI-R-M-0-P-0-E is a robust, all-in-one motor management solution that combines best-in-class protection, high-accuracy metering, 12-channel thermal monitoring, and Profibus communication. It reduces unplanned downtime, lowers maintenance costs, and extends motor life in the most demanding industrial applications.
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