GE Multilin 369-HI-R-M-0-P-0-E Motor Management Relay

Technical Specifications

• Manufacturer: General Electric (GE Multilin)
• Series: Multilin 369
• Model Number: 369-HI-R-M-0-P-0-E
• Control Power (High – HI): 50–300 V DC / 60–265 V AC, 50/60 Hz
• Rated Current Input: 1 A or 5 A secondary (CT compatible)
• RTD Inputs (R): 12 built-in Resistance Temperature Detector inputs (supports Pt100, Pt1000, etc.)
• Metering Package (M): Included (enhanced power monitoring and analytics)
• Protection Elements (P): Standard protection suite integrated
• Enhanced Diagnostics (E): Enabled with enhanced faceplate and LCD display
• Display: 4.3-inch TFT LCD, alphanumeric, backlit
• Communication Protocols: Modbus RTU, Modbus TCP/IP, IEC 61850, RS-232, RS-485, Fiber Optic, Ethernet
• Operating Temperature: -40°C to +60°C (-40°F to +140°F)
• Storage Temperature: -40°C to +85°C (-40°F to +185°F)
• Enclosure Rating: IP40 (dust-protected, limited water ingress)
• Insulation Class: Class I
• Dimensions: Approx. 11.5 in (H) × 5.5 in (W) × 8.5 in (D) (292 mm × 140 mm × 216 mm)
• Weight: Approx. 4.54 kg (10 lbs)

Key Features

1. Comprehensive Motor Protection
   • Electrical Faults: Overload, overcurrent, short circuit, phase loss, phase unbalance, ground fault, undervoltage, overvoltage, reverse power。
   • Mechanical & Thermal Faults: Stall, jam, underload, overtemperature (via 12 RTDs), bearing wear, insulation degradation。
2. Advanced Monitoring & Metering
   • True RMS Measurement: Accurate monitoring of voltage, current, power (kW/kVAR/kVA), energy, frequency, and power factor。
   • 12 RTD Inputs: Precise temperature monitoring of motor windings, bearings, and ambient conditions for predictive maintenance。
   • Waveform Capture: Real-time fault waveform recording for post-event analysis and root-cause identification。
3. Intelligent Diagnostics & Communication
   • Enhanced Diagnostics: Pre-trip alarms, fault event logging (up to 1000 events), and startup data recording。
   • Global Connectivity: Supports Modbus RTU/TCP-IP, IEC 61850, and Ethernet for seamless integration with SCADA, DCS, and asset management systems。
   • User-Friendly Interface: 4.3-inch TFT LCD with intuitive navigation, real-time data visualization, and configurable parameter settings。
4. Robust & Reliable Design
   • Wide Operating Range: Tolerates extreme temperatures (-40°C to +60°C) and harsh industrial environments。
   • High Electrical Durability: Designed for long service life with high mechanical and electrical endurance。
   • Customizable Logic: Programmable protection curves, control logic, and alarm thresholds to adapt to specific motor and process requirements。

Application Scenarios

• Oil & Gas: Pumps, compressors, fans, and conveyors in refineries, pipelines, and offshore platforms。
• Power Generation: Auxiliary motors (boiler fans, feed pumps, cooling tower motors) in thermal, hydro, and renewable power plants。
• Metallurgy & Mining: Crushers, mills, conveyors, and hoists in steel mills, mines, and mineral processing plants。
• Chemical & Petrochemical: Mixers, agitators, pumps, and reactors in chemical processing facilities。
• Water & Wastewater: Pumps, blowers, and aerators in water treatment plants and sewage systems。
• General Manufacturing: Machine tools, textile machinery, and material handling equipment in automotive, food & beverage, and pharmaceutical industries。