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APsystems ECU-3-R4
APsystems ECU-3-R4
FREE SHIPPING available in the lower 48 states only (AK & HI excluded) - AK & HI rates reflect remote delivery surcharges.
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Legacy ECU for YC500 microinverters
The APsystems ECU, our state-of-the-art Energy Communication Unit, is the information gateway for our microinverters. The unit collects module performance data from each individual microinverter and transfers this information to an internet database in real time, requiring only a single data and power cable. Through the APsystems EMA software, the APsystems ECU gives you precise analysis of each microinverter and module in your solar installation from any web-connected device. The APsystems ECU’s integrated http webserver offers the simplest and most flexible network integration of any data logger on the market. The user-friendly browser-based interface lets you access your solar array in seconds.
Key Features
- State-of-the-art Energy Communication Unit (ECU)
- Information gateway for APsystems microinverters
- Collects and transfers module performance data
- Monitoring of each individual module for optimized performance
- Wi-Fi or Ethernet backhaul. Cellular capable
- Powerline communication
- Simultaneous inverter polling
- No warranty for legacy products
Order Details:
- Returns are not accepted for legacy products.
- Order limit: 2 units. If you’d like to purchase more, please contact our team and we’ll connect you with one of our distributors.

APsystems
Powering the globe. Including your corner of it.
APsystems is the #1 global multi-platform MLPE solution provider, offering microinverter, energy storage and rapid shutdown devices for the global solar PV industry. APsystems microinverters are intelligent, innovative, and the best-selling multi-module microinverters in the world.
Founded in Silicon Valley in 2010, APsystems encompasses 6 global business units serving customers in over 160 countries. With millions of units sold producing more than 8TWh of clean, renewable energy, APsystems continues to be a leader in the ever-growing solar MLPE segment.