⚡ CircuitSecrets
Panel Design Assistant
IEC / IEEE based electrical panel calculation — load current, cable sizing, breaker, transformer, starter & protection in one tool
IEC 60364
IEC 60947
IEC 60076
NEC 430
BS 7671
1
Load Type
2
Details
3
Protection
4
Results
Step 1 of 4
Select Load Type
What type of load are you designing for?
Motor Load
Lighting Load
Heating Load
Mixed Load
Solar / PV
EV Charger
Please select a load type.
Step 2 of 4
Load Details
Supply System
─ Single Phase
⋯ Three Phase
Voltage & Frequency
Load Power
Electrical Parameters
Installation & Derating
Please fill all required fields.
Step 3 of 4
Protection & Starter
Motor Starting Method
DOL
Star-Delta
Soft Start
VFD / Drive
Auto-Transformer
N/A (Other)
Protection Devices
Step 4 of 4
Panel Design Results
Full Load Current (FLC)
—
Design current
Power Analysis
Protection Devices
Cable Analysis
Cable & VD Results
Cable Size Comparison
| Size (mm²) | Rating (A) | VD (V) | VD (%) | Status |
|---|
► Formulas Used
Panel Design Formulas (IEC)
⚠ Note: Calculations based on IEC 60364 / NEC standard reference conditions. Always verify with actual cable manufacturer datasheets, apply site-specific derating and have designs approved by a licensed electrical engineer.
