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System (AC power line) Voltage = volts (all devices)
Device Power Load in Watts or Amps
Computer Load = watts amps
Monitor Load = watts amps
Any external modem = watts amps
Any external powered hub = watts amps
Any external router or switch = watts amps
Any external powered speakers = watts amps
Any external powered USB device = watts amps
Any external powered drive = watts amps
Any external powered camera = watts amps
Any external powered other device = watts amps
Minimum UPS Capability = VoltAmps
Suggested UPS Capability = VoltAmps

Formula catu daya tanpa gangguan

Kemampuan UPS minimum = Sistem (AC) Tegangan × (Penambahan semua nilai amp perangkat) + 1.4 × (penambahan semua perangkat watt perangkat)

Kalkulator catu daya yang tidak terputus