Three phase power supply, one line (any one of the three lines in a three-phase three wire energy meter) or two lines (any two of the four lines in a three-phase four wire energy meter) are powered off, and the measurement accuracy is not affected.
Active power with phase loss protection function. When any phase of A, B, or C is missing, the corresponding indicator light will not light up.
Fully enclosed dustproof structure, using flame-retardant materials, selected long-life components, with a service life of over 10 years.
Copper terminal, with good safety performance and durability.
High precision, high quality, low power consumption, wide load, anti-interference