ElectraSim v1.6: Dark Mode, RCBOs, and Smarter Switching
ElectraSim v1.6 adds dark mode across the app and website, a new RCBO component, a realistic push button, and a clearer simulator comparison guide.
How Does a Push Button Switch Work? Momentary Contacts
Learn how momentary push buttons work, the difference between normally open and normally closed contacts, and how they control doorbells and machinery.
ElectraSim v1.5: Faster, Easier, and More Accessible
ElectraSim v1.5 feels smoother on larger circuits, improves keyboard use, keeps saving and sharing private, and makes learning content easier to explore.
Fault Simulation Mode in ElectraSim: Diagnose Open Circuits, Reverse Polarity and Earth Faults
ElectraSim now lets you inject real electrical faults into any circuit — wire breaks, reverse polarity, and missing earths — and watch how each one affects simulation results.
6 New Components in ElectraSim: RCD, Contactor, Timer Switch, Dimmer Switch, Distribution Board & Bell
ElectraSim just added 6 new electrical components — RCD, Contactor, Timer Switch, Dimmer Switch, Distribution Board, and Bell/Buzzer. Here's what each one does and how to use them in your circuits.
Getting Started with ElectraSim: Build and Simulate Your First Circuit in 5 Minutes
New to ElectraSim? This step-by-step guide shows you how to place components, draw wires, run a simulation, and read the fault log — all in your browser, for free.