Enphase IQ System Controller 3 – Quick Specs

• Nominal Voltage (L–L): 240 V ± 20%
• Nominal Frequency (Range): 60 Hz (56–63 Hz)
• Max Continuous Current Rating: 160 A
• Max Input Overcurrent Protection Device: 200 A
• Max Output Overcurrent Protection Device: 200 A

Spec Sheet: Download

Enphase IQ System Controller 3
Empower your home energy system with the Enphase IQ System Controller 3, the central hub that seamlessly connects your home to grid power, solar PV, and the IQ Battery system. Acting as a microgrid interconnect device (MID), the IQ System Controller 3 automatically detects and transitions your home from the grid to backup power whenever an outage occurs—keeping your critical appliances running, even in the toughest conditions.

Key Features

1. Simple, Flexible Installation

   • Easy Mounting: Secure to a single stud with centered brackets.
   • Multiple Conduit Entry Points: Bottom, left, or right options for smooth wiring.
   • Pre-Wired Solution: Color-coded wires and integrated hold-down functionality eliminate extra kits and special breakers.
   • Neutral-Forming Transformer Included: Ideal for streamlined system setup.

2. Backup Power Solutions

   • Sunlight Backup, Home Essentials, or Full Energy Independence: Configure the IQ System Controller 3 to match your specific backup requirements.
   • IQ Battery 5P Compatibility: Enjoy a seamless transition to battery backup for continuous power.
   • Automatic Grid & Backup Switching: Built-in microgrid interconnect device functionality detects outages and transitions instantly.

3. Safe & Reliable Operation

   • System Shutdown Switch: Quickly disconnect PV, battery, and generator systems in an emergency.
   • Rapid Shutdown Initiator: Grid-forming IQ8 PV Microinverters shut down safely for maintenance or first responder access.
   • Durable Construction: Backed by a 10-year limited warranty for peace of mind.

4. Self-Installation Note

   • Enphase University Training Required: To commission your own system, you must complete Enphase’s specialized training program.
   • Breakers Sold Separately: Ensure correct breaker selection for your specific installation needs.

Streamline Your Energy System
The Enphase IQ System Controller 3 consolidates interconnection equipment into one enclosure, reducing complexity and ensuring a consistent, reliable, and code-compliant setup. Whether you’re enhancing your existing system or building a new one, trust Enphase to deliver high-quality technology that keeps your lights on and your home powered, rain or shine.