The consumption monitoring CT part number CT-200-SPLIT is a split-core current transformer that allows the IQ Envoy communication unit to monitor the energy consumption of the entire home where an Enphase IQ system has been installed.
About Enphase IQ Envoy (sold separately)
Enphase IQ Envoy ENV-IQ-AM1-240 is communications gateway with integrated revenue grade PV production metering; it is certified by ANSI C12.20 and provides an optional consumption monitoring with a +/- 2.5% accuracy. The IQ envoy can be easily configured using the free Installer ToolKit app, can communicate via Wi-Fi, Ethernet, or 3G/4G cellular. It is designed for indoor and outdoor installation and it comes with a 5-year warranty.
With the use of the Envoy IQ, every microinverter communicates with the Enphase Enlighten website to show you an accurate representation of your entire solar system and the performance of each PV module in real time. Data is monitored 24/7 and Enlighten will immediately notify you via email of any issues it detects.