GE UR6DH Relay protection and measurement and control device
Specific Parameters
Electrical Parameters
Operating Voltage 120/240V AC (±10%) or 24/48V DC (±10%), providing stable power supply over a wide rangeProtection Functions Overcurrent, earth fault, overvoltage, undervoltage, frequency anomaly, overexcitation, gas protection, temperature protection, reclosing, arc flash protectionMeasurement Range Current 0.1-8000A (via CT ratio configuration), voltage 100/220/400V AC, frequency 45-65HzMeasurement Accuracy Current/voltage measurement error ≤±0.15%, power measurement error ≤±0.3%, frequency measurement error ≤±0.005HzTripping Time Typical short circuit protection operation time ≤12ms, protection settings configurable according to equipment requirementsCommunication Protocols Compatible with IEC 61850 (Ed2.0), Modbus TCP/RTU, DNP3.0, IEC 60870-5-103, OPC UACommunication Interfaces 2 Gigabit Ethernet ports (supporting network redundancy), 1 RS-485 serial port, 1 USB debugging portInput/Output 12 digital inputs, 8 programmable relay outputs (contact capacity 250VAC/5A, 30VDC/5A), 6 analog inputs (4-20mA)Safety Level Complies with IEC 61508, IEC 61511 standards, certified to SIL 3Certification Standards Compliant with CE, UL, cUL, ANSI/IEEE C37.90.1, IEC 60947-6-2, GB/T 14598 standards
Mechanical Parameters
Overall Dimensions 144mm×144mm×115mm, square panel design suitable for standard control cabinetsWeight Approximately 1.2kg, lightweight facilitating installation and deploymentMounting Method 35mm standard DIN rail mounting or panel mountingHousing Material Industrial-grade high-strength flame-retardant plastic shell with anti-electromagnetic interference, dustproof and moisture-proof performanceConnection Method Plug-in spring terminals, compatible with 1.0-2.5mm² shielded cablesProtection Rating IP40, dust and foreign object prevention, suitable for indoor industrial control cabinet environmentsStatus Indication Equipped with LCD color touch screen + power (green), operation (yellow), protection action (red), fault (orange), communication (blue) LED indicators
Environmental Parameters
Operating Temperature -40℃ to 70℃, no performance derating over the entire temperature rangeStorage Temperature -55℃ to 85℃, meeting extreme storage and transportation requirementsRelative Humidity 5% to 95% (non-condensing), adapting to high-humidity industrial scenariosVibration Resistance Complies with IEC 60068-2-6 standard, 2g acceleration at 5Hz-500Hz frequency rangeShock Resistance Complies with IEC 60068-2-27 standard, 15g acceleration (11ms duration)EMC Compliance Complies with EN 55014-1, IEC 61000-4 series standards, low electromagnetic interference and high anti-interference capability
Product Performance
Precise and comprehensive protection functions covering all types of faults of transformers, lines and other equipment, with 100% fault identification accuracyIndustry-leading measurement precision, high-precision collection of key electrical parameters, providing reliable data for equipment status evaluation and energy efficiency optimizationFast response speed with millisecond-level fault detection and tripping action, minimizing fault lossesStrong communication compatibility natively supporting mainstream industrial communication protocols and time synchronization protocols, seamlessly connecting to digital substationsConvenient configuration and operation, LCD touch screen supporting local visual configuration, and supporting remote programming, debugging and firmware upgradingComprehensive self-diagnostic capability, real-time monitoring of device hardware, measurement circuits and communication links, with detailed and traceable fault information recordsHigh operational stability with industrial-grade component selection and strict quality control, Mean Time Between Failures (MTBF) ≥1,200,000 hoursWide environmental adaptability with wide temperature operation + IP40 protection, tolerating complex working conditions such as electromagnetic interference and dust in industrial sites
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