Description
The GE Multilin 369 is a comprehensive digital motor protection relay engineered to provide advanced protection, metering, and diagnostics for medium- and large-scale AC motors. By leveraging dual-microprocessor technology, comprehensive thermal modeling, and precise RTD temperature inputs, it guarantees maximum operational uptime and prevents catastrophic equipment failures in critical industrial processes.
📋 Product Datasheet & Technical Parameters
- 📌 Model Number: 369-HI-R-B-0-D-0-E
- 🏭 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 ports, Modbus RTU, Modbus TCP/IP via optional modules
- 🌡️ Operating Temperature: -40°C to +60°C operating range
- 🛡️ Enclosure Protection: NEMA 4 / IP54 front display panel protection when properly mounted
📖 Product User Instructions
- ⚙️ Installation & Mounting: Securely mount the 369 unit onto the switchgear panel cutout, ensuring proper ventilation space around the enclosure and utilizing the drawout design for quick maintenance.
- 🔌 Wiring & Connections: Terminate the phase current transformers, ground fault CTs, and auxiliary control power carefully to the designated rear barrier terminals following standard electrical codes.
- 💻 Configuration & Setup: Access the system parameters using the front keypad and display or via EnerVista 369 Setup software to input motor nameplate ratings, thermal limits, and trip curves.
- 🛠️ Testing & Maintenance: Routinely verify system integrity using built-in self-test routines, monitor real-time metering values, and evaluate stored event logs and pre-trip waveform captures.
❓ Frequently Asked Questions (Q&A)
- ❓ Q1: What is the primary purpose of the GE 369 relay? 💡 A1: It provides continuous thermal protection, short-circuit detection, unbalance monitoring, and bearing temperature tracking for critical industrial motors.
- ❓ Q2: Can the 369 relay handle multiple RTD sensor inputs? 💡 A2: Yes, it features standard built-in RTD inputs to monitor stator, bearing, and ambient temperatures to prevent overheating.
- ❓ Q3: How are event records and waveforms accessed? 💡 A3: Event data and fault waveforms can be retrieved locally through the front panel port or remotely via communication links using EnerVista 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
