Enphase IQ System Controller 2

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  • Enphase IQ System Controller 2
  • Enphase IQ System Controller 2
  • Enphase IQ System Controller 2
  • Enphase IQ System Controller 2
  • Enphase IQ System Controller 2
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The Enphase IQ System Controller 2 connects the home to grid power, IQ Batteries, and solar PV with support for IQ8 Microinverters. The IQ System Controller 2 now ships in two different kit configurations for ease of ordering and installation. For details, see the “What's in the box” section below.

Use IQ System Controller 2 for all new installs using IQ8 Microinverters.

IQ System Controller 2 provides microgrid interconnection device (MID) functionality by automatically detecting and seamlessly transitioning the home energy system from grid power to backup power in the event of a grid failure. It consolidates interconnection equipment into a single enclosure and streamlines grid independent capabilities of PV, storage, and generator installations by providing a consistent, pre-wired solution for residential applications.

  • Ten-year limited warranty
  • Controls safe connectivity to the grid
  • Automatically detects grid outages
  • Provides seamless transition to backup
  • Connects to the load or service equipment side of the main load panel
  • Centered mounting brackets support single stud mounting
  • Supports conduit entry from the bottom, bottom left side, and bottom right side
  • Supports whole home and partial home backup
  • Includes neutral-forming transformer for split phase 120/240V backup operation
  • Seamless integration with compatible AC home stand by generators
  • When paired with a dedicated IQ Load Controller, homeowners have the ability to prioritize and direct power to critical loads in the event of a grid outage.

What’s in the box:

IQ System Controller 2 with Shutdown Switch (EP200G-SC2-RSD-KIT)

  • IQ System Controller 2
  • Enphase Energy System Shutdown Switch
  • Color-coded wiring
  • IQ Gateway breaker

IQ System Controller 2 with Shutdown Switch and breakers (EP200G-SC2-RSD-BRK-KIT)

  • All of the components included in EP200G-SC2-RSD-KIT
  • 3 Eaton 20 A breakers and 2 hold-down kits for IQ Combiner
  • 2 Eaton 40 A breakers and 2 hold-down kits for IQ System Controller 2
  • Eaton 60 A breaker for larger installations


  • Breaker support: 200 A
  • Maximum continuous current: 160 A
  • Nominal voltage: 240 VAC
  • Length 246.00 mm
  • Width 500.00 mm
  • Height 916.00 mm
  • Weight 87.00 lbs


  • IQ Battery
  • M215 Microinverters*
  • M250 Microinverters*
  • IQ6 Microinverters*
  • IQ7 Microinverters*
  • IQ8 Microinverters*
* IQ System Controller 2 does not support mixing two different microinverter series (e.g. IQ7 and IQ8)
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