The new Enphase M250 Microinverters on IQ7 platform allow easy replacement and site expansion of 240 VAC M-Series PV installations. The DC circuit is isolated and insulated from ground, so no Ground Electrode Conductor (GEC) is required for the microinverter. This simplifies installation, enhances safety, and saves on labor and materials costs. The Enphase M250 integrates perfectly with the Engage Cable, Gateway-S, and Enphase monitoring and analysis software. The IQ platform microinverters extend reliability standards set forth by previous generations and undergo over a million hours of testing, enabling Enphase to provide an industry-leading warranty of up to 25 years.