Article 4.6.2.2S : Advantages of iPFC440 power factor controller.
It is not just a PF controller but also a true multifunction meter. It has V, A, Hz, W, VAR, and Wh parameters in addition to PF.
Hence this product is truly power-packed. It also has an RS485 communication option. This product can be used in all incomers as a PF controller and also as a multifunction meter.
Also, it has a feature of auto-learning of capacitor bank capacity.