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Power Supplies & Backup

DC/AC Inverters

MEAN WELL DC to AC inverters that turn 12 V, 24 V or 48 V battery power into 110 V or 230 V AC. The range covers the NTS, NTU and NTN series from about 200 W to 5000 W.

MEAN WELL ISI-501-224B DC-AC Inverter, 24 V DC to 230 V AC, 500 W

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Choosing a DC/AC inverter

  • Battery voltage: 12 V, 24 V or 48 V DC input; a higher battery voltage draws less current for the same power.
  • Continuous and surge power: size the continuous rating above the running load and check surge power for motors, pumps and compressors.
  • Output: true sine wave at 230 V or 110 V, with voltage and 50 or 60 Hz set by DIP switch, on universal or EU sockets or PCB terminals.
  • UPS and charging: some models add an AC bypass with a 10 ms transfer time, and some include an AC charger or MPPT solar charger.

Size the battery bank and its cables for the DC input current at full load, which exceeds 100 A on larger 12 V and 24 V models, and check that the low-battery shutdown point suits your battery. Use the RS-232, MODBus or CANBus port where the inverter must report to a monitoring system.

Need help choosing?

Tell us what it is for and where it goes, and we suggest models. Have a list of models and quantities? Request a quote.