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DV1-121D8FN-C20C

The Eaton DV1-121D8FN-C20C is a high-precision digital protective relay designed for industrial motor and equipment protection. This advanced relay combines comprehensive protection functions with sophisticated monitoring capabilities for critical power systems.

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Key Specifications: Protection Functions: Overcurrent (50/51) Ground Fault (50G/51G) Under/Over Voltage (27/59) Under/Over Frequency (81O/81U) Thermal Overload (49) Phase Imbalance (46) Motor Start Supervision (66) RTD Inputs (6 channels) Measurement Capabilities: True RMS Current (0.5% accuracy) Voltage (0.2% accuracy) Power (kW, kVAR, kVA) Power Factor Energy (kWh) Temperature (via RTD) Communication & Control: Protocols: Modbus RTU/TCP, DNP3, IEC 61850 Ports: RS485 (isolated) Ethernet (10/100BASE-T) USB (configuration) Relay Outputs: 8 programmable Digital Inputs: 12 isolated Display & Interface: 5.7" color LCD touchscreen Multilingual interface Real-time waveform display Event recorder (1000 events) Oscillography (64 cycles) Power Supply: Input: 85-264V AC/DC Consumption: <15VA Environmental Specifications: Operating Temperature: -40°C to +70°C Storage Temperature: -40°C to +85°C Humidity: 5-95% non-condensing Vibration: 5-500Hz, 5G Shock: 50G, 11ms Mechanical Specifications: Dimensions: 144 × 144 × 180mm Weight: 2.5kg Panel Cutout: 138 × 138mm Enclosure: IP52 front, IP20 rear Certifications & Compliance: Standards: IEC 60255, UL 508 Safety: UL, cUL, CE EMC: EN 61000-6-2, -6-4 Marine: DNV-GL, ABS Warranty: 3 years