... -CDISPLAY: 3 1/2 DIGITS LED MAX.1999 ACCURACY: ±1% OPERATING TEMP.: -10---50 DIELECTRIC STRENGTH: ... led displays corresponds to the following multi-plications:(Max.1999kw)*VxlxCOSΦ for single phase circuit.* √3x ... -KW1With 5000/5A single phase current max. input voltage 400V otherwise display screen will be ... /5A,5000/5A single phase current max. input voltage 380V,300V,220V otherwise display screen ...