SMA AC-SPD-KIT1-10 AC Surge Protector for CORE1 Inverters

The SMA EMETER‑US‑50 is a compact, high‑accuracy energy meter designed for U.S. households. It precisely measures energy flow to and from the utility grid and pairs seamlessly with SMA’s Sunny Boy Smart Energy (SBSE‑series) inverters. Delivering real‑time monitoring and advanced energy management capabilities, this meter empowers homeowners to track consumption, generation, optimize self‑consumption, and limit grid export (zero export functionality).

Key Features

• Real-time energy monitoring via Ethernet or RS‑485 (SMA Speedwire / Modbus RTU protocols)

• Split-core current transformers (2 included) support up to 200 A load measurement

• Dynamic power limiting and zero-export management for smart grid integration

• Compact plug‑and‑play design, UL‑2808 certified for panelboard installation

• Quick setup and commissioning via SMA 360° installer app and SMA Energy homeowner app or Sunny Portal

• Measurement accuracy of ±1% with 200 ms record interval for precise monitoring

• Energy insights enable users to optimize solar usage, reduce utility costs, and plan battery upgrades

Detailed Specifications

Why Choose the SMA EMETER‑US‑50?

• Designed specifically for U.S. residential solar systems in conjunction with SMA inverters

• Enables intelligent energy usage decisions and supports zero-export compliance

• Streamlines monitoring setup with pre‑terminated wiring and user-centric app interfaces

• Minimizes installation time, maximizing ease and reliability

• Trusted SMA build quality with UL and NEMA certifications

Document: Specification Sheet