GE SR745-W3-P5-G5-HI Transformer Management Relay – Advanced Protection & Monitoring for Transformers
The GE SR745-W3-P5-G5-HI is a high-performance transformer management relay designed for industrial control systems. It provides advanced monitoring and protection capabilities for transformers of all sizes, featuring an enhanced display and control power.
Weight:4.8 kg
Voltage Input Burden:Less than 0.025 VA at 120 V
Source VT:2 to 600 kV / 60 to 120 V
Number of Logic Inputs:16
Fuse Current Rating:3.15 A
Control Power Range:90 to 300 VDC; 70 to 265 VAC at 48 to 62 Hz
Total Harmonic Distortion Monitoring:Available
Restricted Ground Fault Option:Available
Enhanced Display:Yes
FlexLogic Technology:Equation format with up to 20 parameters
The GE SR745-W3-P5-G5-HI Transformer Management Relay is an indispensable tool for managing and safeguarding transformers, autotransformers, and reactors in industrial settings. Equipped with adaptive features such as Dynamic CT Ratio Mismatch Correction and Overexcitation Protection, it provides real-time responses to system events, thereby minimizing strain on critical transformer components and extending their operational life.
This versatile relay can function as a standalone unit or integrate seamlessly with other systems in the Multilin 745 series. It supports up to 16 logic inputs for external contact connections, which can be either wet or dry, enhancing its adaptability across various applications.
Key highlights include an enhanced display and high control power, ensuring efficient monitoring and control under a broad range of conditions. With the inclusion of GE Multilin’s FlexLogic™ technology, the 745-W3-P5-G5-HI-E provides unparalleled configurability and flexibility for system protection and monitoring.
In summary, the GE SR745-W3-P5-G5-HI Transformer Management Relay stands out for its comprehensive feature set, robust performance, and reliable operation, making it an essential asset for any industrial facility.











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