Cable Size & Voltage Drop Calculator
Estimate a preliminary copper or aluminium cable size for 230 V and 415 V industrial loads, then review the indicative voltage drop at the equipment.
Load & cable details
Use the connected load and actual route length.Need a verified electrical design?
Discuss your requirement Turn a cable estimate into a safe, installable system.
Our engineers can confirm derating, fault level, protection coordination, routing and applicable IS/IEC requirements.