Leviton's Smart Mains Metering Accessory (LSMMA) provide an intuitive way to directly monitor the real-time energy consumption and production of energy sources (Grid/Solar/Generator) in your Leviton Load Center. Featuring a split-core design for easy installation, LSMMA CTs simply clip onto the conductors at the service mains or 2-Pole Circuit Breaker where the energy source is fed. The Whole Home Energy Monitor (LWHEM-2) supports up to three pairs of LSMMA CTs to provide an aggregate view of the electrical system in the My Leviton app.

• SMART - View real-time energy consumption and production data, as well as historical trends to find opportunities to conserve energy and save money
• EASY - Split-core design simplifies installation
• FLEXIBLE - Up to three pairs of Smart Mains Metering Accessories (LSMMA) can be connected to a Whole Home Energy Monitor (LWHEM-2), providing direct monitoring of the home's energy sources
• WHOLE HOME - The My Leviton app delivers a streamlined Smart Home and Energy Management experience by unifying control, scheduling, and personalization of Leviton Smart Circuit Breakers, Decora Smart Wi-Fi Lighting, and Evr-Green Electric Vehicle Chargers in a single interface
• PROPRIETARY - Designed for use with the Leviton Load Center. Leviton Smart Mains Metering Accessory require a Whole Home Energy Monitor (LWHEM-2) to operate