Technical Parameters Parameter Specification Product Model FY-EM-T02-02 Product Family Eaton F&F (Field & Function) Series Device Type Programmable Energy & Power Monitoring Relay Supply Voltage 24 - 240 V AC/DC (Wide Range, Auto-sensing) Measurement Inputs Voltage: Up to 480 V AC (via potential transformer) Current: 0-1A or 0-5A AC (via current transformer) Measurement Channels 2 independent channels Measured Parameters Voltage (V), Current (I), Active Power (kW), Apparent Power (kVA), Reactive Power (kvar), Power Factor (cos φ), Frequency (Hz), Energy (kWh, kvarh) Outputs 2x Changeover Relay Contacts (CO) - Rated Load: 6 A / 250 V AC Communication Interface RS-485 with Modbus RTU protocol Programming & Display - Front-face buttons and LCD display - Configuration software (e.g., Eaton SOFISYS) Primary Functions - Under/Over voltage & current monitoring - Power & Power Factor monitoring - Energy (kWh) metering & tariff control - Asymmetry & Phase Sequence monitoring - Timer & Threshold functions Mounting Standard 35 mm DIN rail Operating Temperature -25 °C to +55 °C (-13 °F to 131 °F) Safety Standards IEC/EN 61010-1, UL 508