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Electrical Engineering

3 Phase Cable Size Calculator

Calculate the appropriate cable size for 3-phase electrical installations

Recommended Cable Size
-
mm² per phase
Full Load Current
- A
Actual V-Drop
- %
Cable Rating
- A
Standard Cable Sizes Available
Current Calculation
Power (kW): -
Voltage (V): -
Power Factor: -
Line Current: -
Cable Properties
Resistance: - Ω/km
Length: - m
Derating Factor: -
Voltage Drop: -
Important: This calculator provides estimates based on standard conditions. Always consult local electrical codes and a qualified electrician. Consider fault current, circuit breaker ratings, and installation-specific factors.
Common Applications:

3 Phase Power

Efficient power distribution for industrial loads

Safety First

Proper sizing prevents overheating and fires

Multiple Factors

Considers temperature, installation, and voltage drop