Description
The GE Multilin 369 is a digital numerical relay engineered for comprehensive protection, control, and metering of medium and large three-phase AC motors. This specific configuration features high-range control power and built-in metering capabilities, offering advanced thermal modeling and motor diagnostics to prevent operational failures and extend equipment lifespan.
⚙️ Product Datasheet & Technical Parameters
- Product Model: 369-HI-R-M-0-E-0-0
- Manufacturer: GE Multilin (General Electric)
- Control Power Supply: High range (HI) 50-300V DC / 40-265V AC
- Dimensions: 29.6 cm (H) × 10.7 cm (W) × 20.5 cm (D)
- Weight: Approximately 4.5 kg (10 lbs)
- Operating Temperature: -40°C to +60°C
- Frequency Range: 48 Hz to 62 Hz
- Communication Interfaces: RS485 ports supporting Modbus RTU
- Enclosure Type: Panel-mounted flame-retardant industrial case
- Country of Origin: United States / Canada
📖 Product Usage Instructions
- Physical Installation: Mount the relay unit securely onto a standard electrical switchgear panel cutout, ensuring adequate space around the housing for wiring and natural airflow.
- Field Wiring: Terminate control power, phase current transformers (CTs), and digital lines into the rear terminal blocks strictly following the official wiring diagram.
- Software Configuration: Connect a PC via the front communication interface using EnerVista 369 software to input motor nameplate specifications and tailor protection profiles.
- Operational Testing: Execute secondary injection checks and review diagnostic logs to confirm tripping accuracy before putting the motor system online.
❓ Frequently Asked Questions (Q&A)
- Q: What does the “HI” designation mean in the part number?
A: It indicates that the relay is equipped with a high-range auxiliary control power supply capable of handling 50-300V DC or 40-265V AC.
- Q: Does this model include advanced metering features?
A: Yes, the “M” designation in this order code specifies the inclusion of voltage inputs and expanded power metering capabilities.
- Q: How are historical events retrieved from the relay?
A: Historical event records, fault logs, and motor start data can be downloaded locally through the front port or remotely via network communications.
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