Can I mix and match M215 and M250 microinverters on a single cable? You can combine the Enphase M215 and M250 Microinverters on a single Engage Cable. Always adhere to the lower branch size limit specifiied in the microinverter datasheets to avoid exceding the ampacity rating of the circuit. Have more questions? Submit a request 0 Comments Please sign in to leave a comment.