Enphase IQ System Controller 3G, 200A, Grid side installation

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.

• 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
• Required for Sunlight Jump Start

Easy to Install
Connects to service entrance¹ or main load center
Includes neutral-forming transformer
Mounts on single stud with centered brackets
Provides conduit entry from bottom, left, or right
Includes color-coded wires for ease of wiring System Shutdown Switch
Integrates hold-down functionality to eliminate the need for hold-down kits and special breakers

Flexible
Can be used for Sunlight Backup, Home Essentials Backup, or Full Energy Independence
IQ System Controller 3 integrates with IQ Battery 5P
IQ System Controller 3G integrates with select AC standby generators. See Generator Integration Tech Brief for a list of generators
Provides a seamless transition to backup

Safe and Reliable
System Shutdown Switch can be used to disconnect PV, battery, and generator systems
It acts as a rapid shutdown initiator of grid-forming IQ8 PV Microinverters for safety of maintenance technicians/first responders
10-year limited warranty