Enphase IQ System Controller 3 INT 100A

Enphase IQ System Controller 3 INT | Pre-wired backup gateway for Enphase IQ Batteries + IQ7/IQ8 microinverters, providing seamless grid-to-backup transition with 100A single-phase / 80A three-phase support.

Enphase IQ System Controller 3 INT Key Features

• Automatic grid outage detection with <100ms seamless backup transition.
• Supports single-phase (100A) and three-phase (80A per phase) configurations.
• Integrated IQ Gateway, Production/Consumption CTs, IQ Relay, Mobile Connect (5-year data).
• 18 DIN spaces (10 for PV/storage breakers, 8 for mains/backup loads).
• IP55 rated enclosure with multi-direction conduit entry (bottom/rear/left/right).
• Compatible with IQ Batteries 5P, IQ7/IQ8 microinverters.
• Remote monitoring/control via Enphase App with cellular backup.

Electrical Characteristics

Nominal Voltage	230 VAC L-N / 400 VAC L-L (WYE)
Max Continuous Current	100A single-phase / 80A three-phase
Max PV/Battery Current	100A single-phase / 80A three-phase
Max Backup Load Current	100A single-phase / 80A three-phase
Frequency Range	47-52 Hz
Supported Earthing	TN-C-S, TN-S, TT

Mechanical Specifications

Dimensions (H×W×D)	760 × 500 × 158 mm
Weight	15.2 kg
Protection Rating	IP55
Circuit Breaker Space	18 DIN spaces
Operating Temp	-40°C ~ +60°C
Conduit Entry	Bottom, rear, left, right

Installation & Warranty

• Pre-wired CTs on PV/grid terminals simplify commissioning.
• Field-replaceable components (IQ Gateway, CTs, Relay).
• Required for IQ Battery backup systems (grid interconnection).
• 10-year IQ Controller warranty, 5-year Mobile Connect/Relay.
• Supports Sunlight Backup, Ensemble Technology.

MPN: EN-IQ-CONTROLLER-3-INT
Model: IQ System Controller 3 INT 100A

Essential backup gateway enabling seamless whole-home backup for Enphase IQ ecosystems, combining grid isolation, microinverter control, and cellular monitoring in a single enclosure.