The MNPV6-AC Disco Combiner is rated for outdoor use. Designed for combining AC Micro inverter strings up to 240 VAC, 120 Amps per phase. This 3R enclosure includes 2 busbars and can be used with our 240 VAC breakers to combine up to 3 strings of 240 volt micro inverters. Accepts up to 1/0 wire.