Electrical Calculator

Power (W)

Calculate real power

Current (I)

Calculate current

kWh

Unit (kWh)

Calculate energy consumption

Capacitor Calculator Select the right capacitor Voltage Drop (V-Drop) Calculate cable voltage drop Contactor Selection Select suitable contactor ampere OLR Selection Set overload relay by current Circuit Breaker Select breaker by load current Wire Size Selection Size cable with derating and VD check Wire Size (VD Advanced) Copper and Aluminium by VD limit Starter Selection Recommend DOL, Star-Delta, Soft Starter, VFD