EA Elektro-Automatik’s Circuit Input Calculator

Enter your Rated Output Power and Nominal Line Voltage below to view low line voltage, efficiency, power factor, and total current.


Single Phase AC Mains

Enter your Rated Output Power and Nominal Line Voltage:

Output Watts (W):
Single Phase Voltage:
Low Line Voltage
Efficiency (%)
Power Factor (PF)
Total Current L-N (Aac)
Power supplies input current is rated at low line conditions which is typically 90% of the nominal AC line.

Two (Split) Phase AC Mains

Enter your Rated Output Power and Nominal Line Voltage:

Output Watts (W):
Two Phase Voltage (L-L):
Voltage L-N


Low Line Voltage
Efficiency (%)


Power Factor (PF)
Total Current (Aac)


Current Per Phase L-L (Aac)
Power supplies input current is rated at low line conditions which is typically 90% of the nominal AC line.

Three Phase AC Mains

Enter your Rated Output Power and Nominal Line Voltage:

Output Watts (W):
Two Phase Voltage (L-L):
Voltage L-N


Low Line Voltage
Efficiency (%)


Power Factor (PF)
Total Current (Aac)


Current Per Phase L-L (Aac)
Power supplies input current is rated at low line conditions which is typically 90% of the nominal AC line.

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The technical accuracy of answers provided here by our AI Chatbot tool need to be confirmed with a member of the EA Elektro-Automatik staff.