Description
The GE Multilin 369 is an advanced microprocessor-based motor management relay engineered to provide comprehensive protection, precise metering, and thorough diagnostics for medium and large industrial AC motors. Below are the key technical parameters for model 369-HI-R-M-0-0-0-E:
🔹 Dimensions: 215 mm x 260 mm x 175 mm (standard panel-mount enclosure design)
🔹 Weight: 4.2 kg (approximate net shipping weight)
🔹 Country of Origin: United States / Canada (Manufactured under strict GE Multilin quality standards)
🔹 Power Supply: High-range (HI) universal control power supply supporting 90-300 VDC or 70-265 VAC, 48-62 Hz
🔹 Communication Ports: RS485 serial port with Modbus RTU, featuring the ‘M’ option for specialized communication or redundant protocol support
🔹 Digital Inputs/Outputs: Configurable digital inputs and high-capacity form-C trip/alarm output relays
🔹 Operating Temperature: -20°C to +60°C operational temperature range
🔹 System Frequency: 50 Hz and 60 Hz field-selectable nominal system frequency
🔹 Display Type: Local vacuum fluorescent display (VFD) paired with an intuitive keypad for local monitoring and setup
🔹 Core Protection Functions: Thermal model overload, current unbalance, phase reversal, ground fault, and stator RTD temperature protection
📖 Product Operating Instructions
🔧 Step 1: Mechanical Installation Mount the relay securely into the designated switchgear panel cutout using the recommended mounting hardware, ensuring proper clearance for wiring and ventilation.
🔌 Step 2: Terminal Connections Connect the high-range power supply, current transformers (CTs), RTD sensors, and control wiring precisely as outlined in the wiring diagram on the rear housing.
💻 Step 3: Setup and Configuration Power up the device and configure the motor nameplate parameters, thermal curves, and protection setpoints using either the front panel keypad or GE EnerVista software.
🟢 Step 4: Operational Verification Conduct a functional test on output trip circuits, verify real-time metering metrics on the VFD display, and confirm stable communication link status before placing the motor into service.
❓ Frequently Asked Questions (Q&A)
💬 Q1: What does the ‘M’ option signify in this specific 369 part number? 💡 A1: The ‘M’ modification code typically indicates specific hardware or communication configurations tailored for advanced networking or specialized RTD/metering expansion features.
💬 Q2: How does the thermal model protect the motor against overloads? 💡 A2: The relay continuously tracks motor heating and cooling based on load current and RTD temperatures, calculating thermal capacity to safely trip before insulation damage occurs.
✨ Recommended Related GE Multilin Series and Models
📌 GE Multilin 469 (Motor Protection Relay)
📌 GE Multilin 339 (Motor Protection System)
📌 GE Multilin 350 (Compact Motor Protection Relay)
📌 GE Multilin 239 (Motor Protection Relay)
📌 GE Multilin SR745 (Transformer Protection Relay)
📌 GE Multilin F650 (Feeder Protection System)
📌 GE Multilin M60 (Advanced Motor Protection System)
📌 GE Multilin G60 (Generator Protection System)
📌 GE Multilin T60 (Transformer Protection System)
📌 GE Multilin UR Series (Universal Relay Platform)
