Auxiliary power supply: 120V AC/DC wide range input (Option D2), 50Hz rated frequency
Power consumption: 12W basic power, max 40W with optional display module
Measurement accuracy class: Billing grade 0.06% high precision energy metering
Voltage input range: Max 300V phase-neutral via PT voltage transformer
Current input rated: 5A CT secondary input, withstand 200% continuous overload, 10 times surge for 3 seconds
