Build and simulate relay logic and control systems.
Simurelay is a simulator to help you design electromechanical systems and simulate them. It allows to make many electrical diagrams by using the available basic components such as relays, switches, buttons, contactors, timers, motors...
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What's new in the latest 3.0.4
Last updated on 2025-07-20
- Completely redesigned user interface - Enhanced simulation engine - Improved interaction with elements and wiring - Duplicate and Undo/Redo support implemented - Added switches symbols: level, flow, temperature, limit, and pressure - Option to show elements in grid with filtering capability - Custom foreground color for text elements - New "Fit to Content" and zoom panel options - Faster performance across all platforms
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