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Enphase IQ System Controller 3G

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Enphase University certification is required to commission IQ System Controller 3G.

The Enphase IQ System Controller 3G connects the home to grid power, IQ Batteries, Generator and solar PV with Microinverters.

Use IQ System Controller 3G for all new installs using IQ8 Series Microinverters.

IQ System Controller 3G 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.

Supports Generator Integration

Model: Up to 40 kWh battery with generator support


  • 10-year limited warranty
  • Controls safe connectivity to the grid
  • Automatically detects grid outages
  • Provides seamless transition to backup
  • Uses control cable for wired communication
  • 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, and bottom right
  • Enables backup for solar and solar + battery configurations
  • Includes neutral-forming transformer for split phase 120/240 V backup operation
  • Seamless integration with a compatible generator
  • 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
  • Integrates hold-down functionality to eliminate the need for hold-down kits and special breakers
  • System Shutdown Switch to disconnect PV, battery, and generator systems
  • Power Control System (PCS) feature to control solar and storage operation based on Main panel rating

Technical specifications

  • Maximum overcurrent protection device: 200 A
  • Maximum continuous current: 160 A
  • Nominal voltage: 240 VAC

What’s in the box

  • IQ System Controller 3G
  • Color Coded Pre Wired System Shutdown Switch
  • Wall-mounting Bracket
  • Accessory Kit
  • Pre Installed 4 Pole Circuit Breaker


  • The Enphase IQ System Controller 3G is covered by a 10-year limited warranty.


  • Manufacturer: Enphase
  • Model: SC200G111C240US01
  • Length [mm (in)]: 914.4 mm (36 in)
  • Width [mm (in)]: 500.38 mm (19.7 in)
  • Depth [mm (in)]: 246.38 mm (9.7 in)
  • Weight [kg (lb)]: 39.5 kg (87 lb)
  • Wormanship Warranty Period [Years]: 10

Surge/Lightning Protection


    • Workmanship Warranty Period: 10


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