The GE SR745-W3-P5-G5-HI is a premium transformer management relay engineered for industrial control systems. This advanced solution provides comprehensive monitoring and protection for transformers, autotransformers, and reactors of all sizes. Its multi-processor architecture enables real-time harmonic monitoring and automatic error correction, including CT Ratio mismatch adjustments. With FlexLogic™ technology supporting up to 20 configurable parameters and compatibility with both wet/dry contacts, it ensures adaptable system integration. The enhanced 40-character LCD display and status LEDs deliver clear operational feedback for simplified maintenance.
Technical Specifications
| Manufacturer | General Electric |
| Chassis Series | 745 SR Series |
| Weight | 4.8kg |
| Input Voltage Range | 60 to 120V |
| Voltage Input Burden | < 0.025 VA at 120V |
| Source VT Range | 2 to 600 kV / 60 to 120V |
| Logic Inputs | 16 (wet/dry compatible) |
| Fuse Current Rating | 3.15 A |
| Operating Temperature | -40°C to +60°C |
| Software | EnerVista 745 Setup |
Applications & Compatibility
Designed for critical power infrastructure, the SR745-W3-P5-G5-HI excels in:
• Substation transformer protection
• Industrial plant power management
• Generator step-up transformer monitoring
• Reactor bank control systems
Compatible with GE’s Multilin relay family and integrates seamlessly with EnerVista software suite. Ideal for standalone installations or integration into comprehensive protection arrays for unified grid management.
About Apex Automation
Since 2014, Apex Automation has delivered ready-to-ship industrial automation solutions worldwide. Our experts provide comprehensive support including:
- 1-year comprehensive warranty on all products
- Pre-sales technical consultation
- Installation guidance and troubleshooting
- OEM replacement services
Contact us for pricing and availability:
WhatsApp: +86 136 3952 2374
Email: anikaqx@gmail.com
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