Description
The GE Multilin 369 is a sophisticated microprocessor-based motor management relay designed to safeguard, monitor, and control medium to large industrial AC motors. By combining robust thermal modeling, detailed diagnostic tools, and precise RTD temperature monitoring, it effectively prevents costly motor damage and enhances overall process reliability.
📋 Product Datasheet & Technical Parameters
- 📌 Model Number: 369-HI-R-M-0-E-0
- 🏭 Manufacturer: GE Multilin
- ⚡ Power Supply Range: High-voltage universal supply (90 to 300 V DC / 90 to 265 V AC)
- 🔌 Power Consumption: 25 W typical, 40 W maximum
- 📏 Dimensions: 7.93 in (H) x 8.50 in (W) x 10.50 in (D)
- ⚖️ Weight: Approximately 6.2 kg (13.7 lbs)
- 🌍 Origin of Manufacture: Canada
- 🌐 Communication Interfaces: Dual RS485 serial ports, Modbus RTU, optional Ethernet module support
- 🌡️ Operating Temperature: -40°C to +60°C operating standard
- 🛡️ Enclosure Protection: NEMA 4 / IP54 front panel protection with gasket seal
📖 Product User Instructions
- ⚙️ Installation & Mounting: Mount the unit firmly into the designated switchgear panel cutout, making sure there is adequate clearance for the drawout mechanism and wiring connections.
- 🔌 Wiring & Connections: Connect the three-phase CTs, ground fault sensing transformers, and the high-voltage auxiliary power source securely to the rear terminal blocks according to wiring diagrams.
- 💻 Configuration & Setup: Configure the motor nameplate details, overload curves, and protection setpoints using either the front keypad interface or the EnerVista software suite.
- 🛠️ Testing & Maintenance: Execute routine diagnostics using built-in simulation and self-test functions, and inspect stored event logs and pre-trip waveform recordings regularly.
❓ Frequently Asked Questions (Q&A)
- ❓ Q1: What does the ‘HI’ designation mean in the catalog code? 💡 A1: It indicates the high-range universal auxiliary power supply option supporting wide AC and DC voltage inputs.
- ❓ Q2: How does the relay assist with predictive maintenance? 💡 A2: It continuously tracks motor running hours, starts per hour, thermal capacity usage, and records detailed pre-trip operational data for analysis.
- ❓ Q3: Can communication settings be modified remotely? 💡 A3: Yes, communication addresses, baud rates, and protocol parameters can be adjusted via the front display or configuration software.
🌟 Recommended Alternative Series and Models
- 🔹 GE Multilin 469 – Motor Protection Relay
- 🔹 GE Multilin 869 – High-Performance Motor Protection System
- 🔹 GE Multilin 339 – Motor Protection Relay
- 🔹 GE Multilin 350 – Feeder Protection System
- 🔹 GE Multilin 750 – Feeder Management Relay
- 🔹 GE Multilin 745 – Transformer Protection Relay
- 🔹 GE Multilin 845 – Transformer Protection System
- 🔹 GE Multilin 850 – Feeder Protection System
- 🔹 GE Multilin F650 – Feeder Protection and Control System
- 🔹 GE Multilin SR750 – Feeder Management Relay
