Canadian Solar EP Cube 2.0 Smart Gateway
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$1,899.99at Portable SunChecked Nov 8
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The EP Cube 2.0 Smart Gateway (SGNA2-200GX) is the control and interconnection hub for Canadian Solar's EP Cube hybrid solar-plus-storage system. It handles whole-home transfer between grid and battery power, rated for 200A split-phase service at 240/208V, with a 125A non-backup port for load separation and 25 kA short-circuit protection. It adds generator control over 2-wire start, RS485 EV charger communication and support for up to 5 smart breakers for circuit-level control. It suits homeowners building a whole-home backup system around EP Cube batteries; it is not a standalone product and does nothing without the EP Cube inverter and batteries. Against generic transfer switches, it wins on integration and circuit-level control but locks you into one ecosystem.
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Lowest price we've seen: $1,899.99 on Nov 8 at Portable Sun. Tracked across 1 store since Nov 8.
The Canadian Solar EP Cube 2.0 Smart Gateway (model SGNA2-200GX) is the control and interconnection hub for EP Cube hybrid solar plus storage systems. It is service entrance rated and includes a 200A main service breaker. It is built for split-phase residential service and supports main panel integration, backup load control and microgrid-ready operation.
When paired with EP Cube batteries and the hybrid inverter, it switches from on-grid to off-grid operation to keep critical loads powered during outages. An AC extend interface supports generator control with a 2-wire start and RS485 EV charger communication. The gateway supports up to 5 smart breakers for circuit-level control and future system growth.
The enclosure is NEMA 3R rated and wall-mounted. It operates at less than 30 dB(A) at 1 m. The system is backed by a 10-year warranty.
