OutBack PS2DC Enclosure Box OutBack Power System DC No Breaker. Includes breaker mounting bracket PS2DC Standard Features and Components ETL listed indoor type powdercoated steel enclosure with plenty of conduit knockouts Knockouts for one additional inverter battery breaker and eight 3/4" breakers 500 amp 50 mV DC current shunt standard Battery negative/ground bus bar standard Battery positive bus bar for DC loads and PV arrays included standard Mounting brackets for an OutBack MX60 and an OutBack MATE Knockouts for battery conduit, MX60 interconnect and stacking antoher PS2DC Mounting for a 120mm sq x 32mm thick 12V DC boxer fan (powered by an FX inverter/charger) For negative or positive ground systems Knockouts on five surfaces to facilitate conduit and inverter connections and additional MX60s Grommets included for MX60 and MATE wiring Physical Specifications Enclosure Size (HxWxD): 18.5" x 11.5" x 9" / 47 x 29 x 23cm Shipping Dimensions: 22" x 15" x 12" / 56 x 38 x 30cm Shipping Weight: 20 lbs. / 9kg