GE Multilin 745-W3-P5-G5-HI Transformer Management Relay, High Control Power
The GE Multilin 745-W3-P5-G5-HI Transformer Management Relay delivers precision protection and operational efficiency for power transformers across utility and industrial applications. Featuring high-control-power architecture, a 40-character LCD interface, and 16 programmable logic inputs, this relay combines advanced diagnostics with ruggedized design for mission-critical environments.


Key Features
- Advanced 40-Character LCD Display – Enables intuitive setpoint configuration and real-time system monitoring with clear text-based interface.
- High-Control-Power Architecture – Optimized for reliable operation in demanding electrical environments with 3.15A fuse protection.
- Rugged Industrial Design – Robust 9″ H × 7″ W × 7⅛” D enclosure with IP54-rated front panel for harsh conditions (-40°C to +60°C operating range).
- Modular Integration – Supports standalone deployment or networked configurations with other Multilin 745-series relays.
- Real-Time Diagnostics – Front-panel LEDs provide immediate status updates and fault alerts for rapid troubleshooting.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand/Model | GE Multilin 745-W3-P5-G5-HI |
| Power Requirements | 60–120V AC, <0.025 VA @ 120V |
| Dimensions & Weight | 9″ H × 7″ W × 7⅛” D / 4.8 kg |
| Operating Temperature | -40°C to +60°C |
| Signal Input/Output | 16 programmable logic inputs |
| Communication Interfaces | IRIG-B time synchronization (70–100kΩ input impedance) |
Application Fields
Engineered for critical infrastructure applications including:
- Utility-scale power substations
- Industrial manufacturing facilities
- Oil & gas processing plants
- Renewable energy integration systems
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