Residential Smart PV & ESS Smart Energy Controller

Model: SUN2000-3/3.68/4/4.6/5/6K-LB0

Higher Current for Versatile Module Option

With a 16A MPPT current, this energy controller effortlessly pairs with diverse PV modules to optimize your energy harvest. Built to power heavier home loads with year-round carbon efficiency, it’s the silent enabler of your sustainable lifestyle by powering more and wasting less.

AFCI Protection, Always-on Safety

Intelligent AFCI (Arc-fault Circuit Interrupter) protection detects DC arc faults from up to 200 meters away and interrupts the circuit within 0.5 seconds, eliminating potential fire hazards for personal and asset safety.

Tried-and-Tested Reliability

• IP66 Rated
  Unaffected by harsh environments, the new Smart Energy Controller can withstand dust and high-speed water jets, resistant to sand, corrosion, salt spray, and other hazards.
• Withstand Extreme Temperatures
  Tested in high and low temperature scenarios, the controller can work properly between –25 °C and 60 °C.
• Lightning Protection
  The smart energy controller has passed the DC/AC lightning protection test and can withstand lightning strikes.

Expanded Storage, Uninterrupted Energy
This Smart Energy Controller can be conveniently integrated with your storage system whenever necessary. This pairing can store daytime solar energy and provide eco-friendly power for nights and overcast days, enabling a 24/7 green life.

Backup Ready at All Times
Gone are the days of sudden darkness, the whole-home backup solution powers up in 20 ms when blackouts occur, ensuring an uninterrupted home electricity supply.

A Home that Always Shines
By the end of 2025, FusionSolar Residential has provided clean energy for 4.2 million homes in over 170 countries.