OTO3 Series

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The online three phase/Single phase transformer-less online UPS series, featured with smallest footprint cabinet, 3-level inverter technology, highest system efficiency up to 94.5%, output power factor 1.0, 3-level smart charging method, is an ideal budget-concerned solution to all the mission-critical application.

OTO3 SERIES (pdf)

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• Support parallel function (Optional)
• Online double conversion with DSP control
• Optimization battery group, the quantity of battery: 16/18/20pcs
• Wide input voltage range: 208~478Vac
• Wide input frequency range: 40~70Hz
• Maximum charging current up to 18A (Settable)
• Support 3/1 and 1/1 operation
• Generator compatible
• ECO mode operation for energy saving
• Design with maintenance switch
• 50/60Hz frequency converter mode
• Colorful 2.4 inch TFT LCD display is optional
• Multiple protection function: short-circuit, overload, overheat, battery overcharge and overdischarge, output low voltage and fan fault alarm
• Multiple communication interface: RS232/USB/EPO (Dry contact card/SNMP card/Parallel kit optional)

OTO3 10k H – Transformer-less Online Tower UPS, PF0.9, 3:1, 10kVA
OTO3 10k S – Transformer-less Online Tower UPS, PF0.9, 3:1, 10kVA
OTO3 15k H – Transformer-less Online Tower UPS, PF0.9, 3:1, 15kVA
OTO3 15k S – Transformer-less Online Tower UPS, PF0.9, 3:1, 15kVA
OTO3 20k H – Transformer-less Online Tower UPS, PF0.9, 3:1, 20kVA
OTO3 20k S – Transformer-less Online Tower UPS, PF0.9, 3:1, 20kVA

The OTO3 Series adopts digital online technology, with the load normally fed by the mains, controlled and stabilized by the internal AVR; when mains fail, the inverter comes up and guarantees uninterrupted energy to the load protected.

The warranty is Two years.