Amperage and Volt Drop Calculator
Fittings:     Wattage per Fitting:
Lamp Voltage:

Phasing:       Voltage:

     

Answer: amps per phase

Answer: kva


Cable Length: metres

Design Current: amps.

Cable Type:   Default

SWA cable, table 4D4B at 70° Celcius
SWA cable, table 4E2B at 90° Celcius

           

Calculations are made up to
6.9 Volts Single Phase (3% of 230v) and 12 Volts Three Phase (3% of 400v)

Cable Sizes Volt Drop
1.5 mm
2.5 mm
4 mm
6 mm
10 mm
16 mm
25 mm
35 mm
50 mm
70 mm
95 mm
120 mm
150 mm
185 mm
240 mm
300 mm
400 mm