Tools
Engineering calculators for electrical design — right in your browser.
Cable Sizing Calculator
Calculate minimum cable cross-section based on load current, installation method and conductor material. Compliant with IEC 60364, GOST R 50571 and IS 732.
⚖️Load Calculator
Calculate installed and design power, demand factor and load current for residential and commercial buildings. Per IEC 60364 and SP 256.1325800.
⚡Voltage Drop Calculator
Calculate voltage drop in a cable line. Copper/aluminum, single-phase/three-phase, AC/DC. Instant assessment per IEC 60364 and PUE standards.
💥Short-Circuit Calculator
Calculate short-circuit currents (three-phase, single-phase) for switchgear verification. Per GOST 28249 and IEC 60909.
🗄️Panel Builder
Interactive distribution panel layout: DIN rails, circuit breakers, RCDs, terminal blocks. Automatic heat loss and fill ratio calculation.