DC220V Single Phase Energy Meter Digital Display 4P 35mm Rail Mount Electricity Power Meter Item Type: Energy Meter Model: XTM75S U Voltage Specification: 220V Frequency: 50Hz Current Specification: 15(60)A Working Humidity: ≤75% Storage Humidity: ≤95% Accuracy: Level 1 Indicate Current Specification: Reference Current (maximum current) Insulation Performance: AC voltage 4KV, 1 minute, 1.2/50us waveform impulse voltage 6KV Display Method: Digital Display Installation Method: 35mm Rail Mount Test Method: The electric energy meter has an optoelectronic coupling type electric energy pulse test output port, located on the terminal box. Connect the+5VDC of the test equipment to terminal 9 (positive) and the signal wire S to terminal 10 (negative).