R Series, Single Phase UPS, 1/2/3 kVA

R Series, Single Phase UPS

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Reliable power supply for small and medium enterprises

Delta’s Amplon R series is an online double-conversion rack-mountable UPS providing consistent sine-wave power to your critical equipment and reliable protection for IT equipment and data centers. The R series offers an output power factor of 0.9 and a best-in-class AC-AC efficiency of up to 93% for greater energy savings. The Amplon R series leads the industry in combining compact size, availability, flexibility, and low total cost of ownership.


  • True online double-conversion topology provides zero transfer time to ensure maximum protection of the equipment

  • Watch-dog design of the DSP (Digital Signal Processor) increases reliability

  • Cold-start capability provides temporary battery power when the utility power is out

  • Operating temperature tolerance up to 50°C ensures critical loads’ continuity

  • The Maintenance Bypass Box offers load continuity during battery replacement or other upgrades

  • Compact dimensions meet the needs of different rack cabinets

  • Convertible rack and tower configuration in 2U size cabinet

  • Excellent local communications through rotatable LCD display

  • Intelligent management software connectivity via RS232, mini slot or USB port

  • Wide input voltage range reduces the chance of using the battery and extends battery life

  • Intelligent battery management sustains battery life and performance

  • High output power factor of 0.9 provides more real power to critical loads

  • High input power factor (pf > 0.99) and low harmonic distortion (iTHD < 3%) save upstream investment

  • Up to 93% AC-AC efficiency and 96% efficiency in ECO mode results in marked energy cost savings

  • Fan speed control by load level and room temperature optimizes performance


R Series 1-3 kVA UPS (Leaflet)
R Series 1/2/3 kVA (Quick Guide)
R Series 1/2/3 kVA UPS - External Battery Pack (Quick Guide) R Series 1/2/3 kVA UPS - Maintenance Bypass Box (Quick Guide)