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GE Multilin UR8FH CT/VT Input Module--KIMI
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  • Warranty: 365 days
  • Quality: Original module
  • Condition: New
  • Shipping method: Courier delivery

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Product Description


GE Multilin UR8FH CT/VT Input Module (Universal Relay Series)
Precise Current & Voltage Monitoring for Power System Protection & Control
1. Product Overview

The GE Multilin UR8FH is a dedicated CT/VT (Current Transformer/Voltage Transformer) input module for the Universal Relay (UR) series, engineered to collect and process current and voltage signals in power systems. It provides 3 phase CT inputs (1A/5A), 1 ground CT input (1A/5A), and 4 VT terminals, enabling accurate measurement, protection, and monitoring of power equipment such as generators, transformers, feeders, and motors. With high measurement accuracy, fast response, and compatibility with IEC 61850 and Modbus protocols, it integrates seamlessly into UR series relays, supporting simplex/dual redundant configurations for reliable operation in harsh industrial and power environments. It lacks the sensitive ground feature, distinguishing it from models like UR-8G/8J/8M/8R, making it suitable for standard grounded systems.


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2. Key Technical Specifications
• Product Type: CT/VT Input Module (Universal Relay Accessory)
• Brand: GE Multilin (Part No.: UR8FH / UR-8FH)
• Compatible Relay: GE Multilin Universal Relay Series (e.g., UR Series Relays)
• CT Input: 3 Phase CT (1A/5A), 1 Ground CT (1A/5A), 4CT Configuration
• VT Input: 4 Voltage Transformer Terminals, 50-240 VAC Rated Voltage
• CT Accuracy: ±0.2% of Reading; VT Accuracy: ±0.25% of Reading
• CT Continuous Rating: 20 A; Thermal Withstand: 100 A for 1 s
• VT Continuous Rating: 300 V; Frequency Range: 40-70 Hz
• Sampling Rate: 64 Samples per Cycle; Data Resolution: 16-bit
• Response Time: Typical 2 ms; Power Consumption: Max. 30 W
• Operating Temperature: -40°C to +60°C; Storage Temperature: -40°C to +85°C
• Communication: IEC 61850, Modbus (Up to 10 Mbps Data Rate)
• Mounting: Plug-in Module (UR Series Relay Chassis Compatible)

• Certifications: IEC 61850 Ed.1/Ed.2, CE, RoHS, CyberSentry Security Certified


UR8FH -2.jpg


3. Core Features
• 4CT/4VT Standard Configuration: 3 phase CT, 1 ground CT, 4 VT terminals for comprehensive power monitoring.
• High Accuracy Measurement: CT ±0.2%, VT ±0.25% accuracy ensures reliable protection and metering.
• Fast Data Acquisition: 64 samples per cycle, 2 ms typical response for real-time control.
• Multi-Protocol Communication: IEC 61850 & Modbus support for seamless system integration.
• Robust Network Security: CyberSentry UR aligns with industrial security standards.
• Modular Design: Plug-in installation for easy maintenance and expansion.

• Wide Environmental Adaptability: Operates reliably in extreme temperature ranges.


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4. Typical Applications
• Power Generation: Generator, Transformer, and Feeder Protection
• Transmission & Distribution: Substation Equipment Monitoring & Control
• Industrial Power: Motor Protection, Harmonic Monitoring, Energy Quality Analysis
• Oil & Gas: Pipeline Power Distribution & Equipment Protection
• Renewable Energy: Wind/Solar Farm Grid Integration & Protection
5. Model Distinction (UR8FH vs Sensitive Ground Models)
• UR8FH: Standard 4CT/4VT CT/VT Module, No Sensitive Ground Feature, for General Grounded Systems.
• UR-8G/8J/8M/8R: Equipped with Sensitive Ground Function, Suitable for High-Impedance Grounded Systems.
Technical Document | GE Multilin UR8FH | CT/VT Input Module | Universal Relay Series
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