Design electrical panels
visually.

Visual DIN rail layout, single-line diagrams, wire sizing calculator, and PDF export — vendor-neutral, no account needed.

BreakerBoxx panel editor walkthrough

Everything you need to design panels

No cloud. No subscription. No vendor lock-in. Just a tool that works.

📐

Visual DIN Rail Layout

Drag-and-drop breakers, RCDs, contactors and more onto DIN rails. See your panel come together like a real enclosure.

Single-Line Diagrams

Auto-generated single-line diagrams per cabinet. Export as SVG or include in your PDF documentation.

🔌

Wire Sizing Calculator

Automatic cable cross-section recommendations based on load, length, and installation method per IEC/HD standards.

📄

PDF Export

Generate professional circuit schedules and bills of materials ready to hand to clients or inspectors.

🌍

All EU Earthing Systems

Full support for TT, TN-S, TN-C-S, TN-C, and IT earthing systems. Design for any installation type.

🔒

Offline-First & Private

No account required. No tracking. No telemetry. Your designs stay on your device, always.

Try it now — free

No account. No download. Just open the demo and start designing.

Open Demo

Why BreakerBoxx?