Auxiliary power supply: Option D = 24VDC ~ 48VDC wide DC input, 50Hz rated fundamental frequency
Measurement accuracy: 0.2S billing-grade precision, complies with ANSI C12.20 & IEC 62053-22
Voltage input: Max 300V phase-neutral, optically isolated 2500VDC surge withstand
Current input: 5A CT secondary rated, 200% continuous overload, 10 times 3-second surge resistance
Basic power consumption: 12W; Max 40W with all optional modules loaded
