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ELECTRICAL SPECIFICATIONS <br />Maximum overcurrent protection device rating for PV combiner unit 80 A <br />Internal busbar rating 200 A <br />Neutral-forming transformer (NFT)• Breaker rating (pre-installed): 40 A between L1 and Neutral; 40 A between L2 and Neutral <br />• Continuous rated power: 3,600 VA <br />• Maximum continuous unbalance current: 30 A @ 120 V <br />• Peak unbalanced current: 80 A @ 120 V for two seconds <br />MECHANICAL DATA <br />Dimensions (WxHxD)50 cm x 91.6 cm x 24.6 cm (19.7 in x 36 in x 9.7 in) <br />Weight 39.4 kg (87 lbs) <br />Ambient temperature range -40°C to 50°C (-40°F to 122°F) <br />Cooling Natural convection and a heat shield <br />Enclosure environmental rating Outdoor, NEMA type 3R, polycarbonate construction <br />Maximum altitude 2500 meters (8200 feet) <br />WIRE SIZES <br />Connections <br />(All lugs are rated to 90°C) <br />Main lugs and backup load lugs <br />CSR breaker bottom wiring lugs <br />AC combiner lugs, IQ Battery lugs, and <br />generator lugs <br />Neutral (large lugs) <br />Cu/Al: 6 AWG–300 kcmil <br />Cu/Al: 2 AWG–300 kcmil <br />14 AWG–2 AWG <br />Cu/Al: 6 AWG–300 kcmil <br />Neutral and ground bars Large holes (5/16–24 UNF) <br />Small holes (10–32 UNF) <br />14 AWG–1/0 AWG <br />14 AWG–6 AWG <br />COMPLIANCE <br />Compliance (under progress) <br />UL 1741, UL 1741 SA, IEEE 1547:2018 (UL 1741-SB, 3rd Ed.), UL 1741 PCS CRD, UL1 998, UL 869A, UL <br />675, UL 5087, UL 50E7 <br />CSA 22.2 No. 107.1, 47 CFR Part 15 Class B, ICES 003, ICC ES AC156. <br />The IQ System Controller 3/3G is approved for use as service equipment in the United States <br />WARRANTY <br />Limited warranty (restrictions apply) Up to 10 years (EP200G-NA-02-RSD has a 5-year warranty) <br />COMPATIBILITY 8 <br /> Battery IQ Battery 5P (IQBATTERY-5P-1P-NA) <br /> Microinverters IQ8, IQ7, IQ6, and MSeries Microinverters9 <br /> IQ Combiner IQ Combiner 5/5C (X-IQ-AM1-240-5C,  X-IQ-AM1-240-5) <br /> Communications Kit 2 COMMS-KIT-02 <br />(7) Sections from these standards were used during the safety evaluation and included in the UL 1741 listing. <br />(8) For more details, refer to IQ System Controller 3/3G Quick Install Guide. <br />(9) M Series Microinverters can only be supported in states that have not yet adopted IEEE 1547:2018. <br />Enphase does not support mixing IQ8 Series Microinverters with other series on the same IQ Gateway. <br />DATASHEET <br />IQSC-3-DSH-00021-3.0-EN-US-2023-08-08 <br />Figure 1A: Installing DER breakers for IQ8 System without generator <br />Additional IQ Battery 5P <br />Use a correctly sized breaker. <br />Hold-down capability integrated <br />with the load center <br />Hold-down kit arm <br />Hold-down kit screw <br />Solar breaker <br />Use a correctly sized breaker. <br />Hold-down capability <br />integrated with the load <br />center <br />Storage breaker <br />Use a correctly sized breaker. <br />Hold-down capability <br />integrated with the load center <br />Pre-wired red and black wires <br />Connect to storage and solar <br />breakers <br />Pre-wired red and black wires <br />Connect to the DER breaker <br />NFT and IQ Gateway breaker <br />Factory installed quad breaker <br />(Siemens or Eaton). NFT pre- <br />wired to 40 A terminal of the <br />quad breaker. Connect <br />IQ Gateway L1 and L2 to 20 A L1, <br />L2 terminals of the quad breaker <br />respectively <br />L1 - IQ Gateway <br />L1 - NFT <br />L2 - NFT <br />L2 - IQ Gateway <br />L1 - NFT <br />L1 - IQ Gateway <br />L2 - IQ Gateway <br />L2 - NFT <br />Siemens breaker <br />Eaton breaker <br />IQSC-3-DSH-00021-3.0-EN-US-2023-08-08 <br />2352 N Riverside <br />Dr1/23/2025