GE UR6TH Microcomputer relay protection measurement and control device

GE UR6TH Microcomputer relay protection measurement and control device

Specific Parameters​

Electrical Parameters​

Operating Power Supply Wide voltage input range 85VAC-265VAC or 110VDC-220VDC, rated operating voltage 220VAC/DC​

Operating Current Typical operating current ≤5A (AC), ≤0.8A (DC); maximum operating current ≤8A (AC), ≤1.2A (DC)​

AC Sampling 12 analog input channels, supporting CT input (5A/1A) and VT input (100V/√3)​

Sampling Accuracy Current and voltage measurement accuracy ±0.2%FS, power measurement accuracy ±0.5%FS, frequency measurement accuracy ±0.01Hz​

Protection Operation Time Phase overcurrent protection operation time ≤20ms (setting value ≥0.1s), differential protection operation time ≤15ms​

Digital Input 32 passive digital input channels, supporting dry contact signals, operating voltage ≤24VDC​

Digital Output 16 relay outputs, contact rating 250VAC/5A, 30VDC/5A, supporting trip, close and signal alarm output​

Communication Interfaces 2 Gigabit Ethernet ports (supporting IEC 61850 MMS/GOOSE), 1 RS-485 serial port, 1 USB configuration port​

Fault Recording Built-in fault recording function, recording length ≥1000 cycles, sampling rate 2000Hz, supporting COMTRADE format export​

Certification Standards Compliant with GB/T 14598.3, GB/T 14598.10, IEC 60255-22-1, IEC 60255-22-2, IEC 61850 standards​

Mechanical Parameters​

Overall Dimensions 482.6mm×266.7mm×220mm (W×D×H), standard 19-inch rack-mounted dimensions, occupying 4U height​

Weight Approximately 8kg, modular structure design facilitating installation and maintenance​

Mounting Method 19-inch standard cabinet rack-mounted installation, front and rear fixed, adapting to power control room installation requirements​

Housing Material Industrial-grade high-strength cold-rolled steel plate housing, with electromagnetic shielding and mechanical protection performance​

Connection Method Back terminal block connection (power supply, analog quantity, digital quantity) with screw-fastened wiring; front Ethernet/USB interfaces​

Protection Rating IP40, suitable for indoor power control room environments, dustproof and protection against foreign object intrusion​

Status Indication Equipped with LCD color touch screen (≥7 inches), Power (green), Run (yellow), Protection Action (red), Alarm (orange) LED indicators​

Environmental Parameters​

Operating Temperature -20℃ to 70℃, no performance derating over the entire temperature range​

Storage Temperature -40℃ to 85℃, meeting extreme storage and transportation requirements​

Relative Humidity 5% to 95% (non-condensing), adapting to high-humidity industrial scenarios​

Vibration Resistance Complies with IEC 60068-2-6 standard, 2g acceleration at 5Hz-150Hz frequency range​

Shock Resistance Complies with IEC 60068-2-27 standard, 15g acceleration (duration 11ms)​

EMC Compliance Complies with IEC 61000-4-2 (±8kV contact discharge), IEC 61000-4-3 (±10kV radiated immunity), IEC 61000-4-6 (10V/m common mode interference) standards​

Product Performance​

Comprehensive protection functions, integrating multiple protection logics to meet protection needs of various power equipment without additional configuration​

Excellent measurement accuracy, high-precision sampling and calculation ensuring accuracy of data measurement and reliability of protection actions​

Fast action response, millisecond-level protection operation time quickly isolating faults and reducing equipment damage and power outage losses​

Strong communication capability, supporting IEC 61850 standard and multiple industrial protocols for seamless integration into smart substation automation systems​

Flexible and convenient configuration, color touch screen + remote configuration tool supporting setting modification, logic programming and status monitoring​

Complete fault recording, high sampling rate recording function providing accurate data support for fault analysis​

High operational stability, industrial-grade components + redundant design, Mean Time Between Failures (MTBF) ≥1,500,000 hours​

Wide adaptability, wide temperature and voltage operating range + strong EMC capability tolerating complex power system environments​