... phase four wire (3)Accuray:class1.5 96 Wattmeter(Analog meter)(1)Accuray:class1.5 (2)Voltage(three phase three wire ... four wire)100V,110V,220V,380V,415V(balance or unbalance)(4)Current: if the current is over 10A, the current circuits ... according to actual current.(4)Frequency: 50Hz or 60Hz(5)Specification: 100W,200W...1KW,2KW...1MW,2MW...6MW Panel Meter Wattmeter Size:96 ...