Pro Certs Software Ltd
Calculate to or from Watts, Amps, Volts with this handy power converter SP & TP
Convert and calculate kVA, Amps, Volts, kW and Power Factor Single & Three phase
Ohm's Law calc for Volts, Amps, Ohms & Watts (Power Current Resistance Voltage)
Calculate the PFC from the Zs or Ze (Earth Loop impedance) & voltage values free
Max Zs values for circuit breakers, fuses, MCB, MCCB Earth Loop Impedance Values
Calculates main earth, bonding and cpc sizes, includes the Adiabatic Equation.
Pre-amendment 3 version, useful for looking up old Zs values before amendment 3.