Home Assistant integration for the Span MAIN 40 (Gen3) smart electrical panel — local gRPC, no cloud required
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Updated
Feb 19, 2026 - Python
Home Assistant integration for the Span MAIN 40 (Gen3) smart electrical panel — local gRPC, no cloud required
Free interactive distribution board planner — configure panels with drag & drop. MCB, RCD, RCBO, terminal blocks, wiring and more. Fully client-side, no server required. ▎ Interaktiver Sicherungskasten-Planer — Unterverteilungen mit Drag & Drop konfigurieren. LS, RCD, FI/LS, Klemmenblöcke, Verkabelung und mehr. Rein clientseitig, kein Server nötig.
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