Online Double Conversion Lithium Battery UPS (1-3kVA) KR-RM Li Series, online transformer-less UPS with internal Lithium-ion Battery. As the development of battery technology going on, Lithium-ion Battery, with its high-power density and longer service life, becomes more popular in nowadays applications.

Single Phase Online Transformer-free UPS Rack/Tower Type (1-3 kVA) ● Low THDi: < 5% ● High Ac/Ac Efficiency Up To 93.5% ● High Output Power Factor Up To 1.0 ● Hot-Swappable and Extendable Battery Design

Single Phase Low Voltage UPS (UL Certificated)(1-5kVA) We have various of rear panels for customers applied in different countries and different applications.The KR smart high frequency online UPS uses full digital control technology and the latest high frequency converter technology and has high efficiency, high power factor and other advantages. It has significant energy savings and greatly reduces operation costs.

Single Phase Online Transformer-free UPS (Rack Type) (1-10kVA) The KR smart high frequency online UPS uses full digital control technology and the latest high frequency converter technology and has high efficiency, high power factor and other advantages. It has significant energy savings and greatly reduces operation costs. It has integrated functions such as AC regulation, backup power supply, surge protection, and other functions to provide protection to equipment in harsh power grid environments and provide clean, safe, and stable power to loads.

Single Phase Online Transformer-free UPS (1-10kVA) The KR smart high frequency online UPS uses full digital control technology and the latest high frequency converter technology and has high efficiency, high power factor and other advantages. It has significant energy savings and greatly reduces operation costs. It has integrated functions such as AC regulation, backup power supply, surge protection, and other functions to provide protection to equipment in harsh power grid environments and provide clean, safe, and stable power to loads.

Online Transformer-free UPS Rack/Tower Type (10-20kVA) The KR-RM series is the best solution for protecting data centers, IT networks, telecommunications systems, automation control systems and promised afford stable and reliable power supply for the critical load. The KR-RM series is available 10-15-20 kVA models with three phase\single phase input and three phase \single phases output.

3 Phase Low Voltage Transformer-free UPS (10-30kVA) The KEHUA KR33 series 3-Phase in, 3-Phase out UPS uses advanced 3 level inverter technology and digital technology for full interconnection. It provides safe, stable, clean, and environmentally friendly power to loads and can provide safe and reliable comprehensive protection to data centers, IT server rooms, precision instruments and others.

3 Phase Online Transformer-based UPS (Low Voltage) (10-200kVA) The KEHUA FR-UK series medium/high power UPS uses the industry’s tried and tested phase-controlled rectification technology and power components and inverter module with excellent performance, as well as smart multi-mode battery management technology and a variety of power management software along with a reinforced combination cabinet structure to provide high quality and highly reliable uninterruptible sine wave power to loads and is cost effective and has a good user base.

Online Transformer-free Modular UPS (Low Voltage) (20-240kVA) The Kehua MR33A series modularized 3-Phase in, 3-Phase out UPS utilizes advanced 3 level inverter technology, a more reliable redundancy design from the entire system down to the components, and digital technology interconnection. It has the advantages of high efficiency, high power density, easy scaling, scaling on demand, and occupies only a small amount of floor area and provides safe, reliable, and clear environmentally friendly power to loads.

3 Phase Online Transformer-based UPS (10-600kVA) The KEHUA FR-UK series medium/high power UPS uses the industry’s tried and tested phase-controlled rectification technology and power components and inverter module with excellent performance, as well as smart multi-mode battery management technology and a variety of power management software along with a reinforced combination cabinet structure to provide high quality and highly reliable uninterruptible sine wave power to loads and is cost effective and has a good user base.

3 Phase Online Transformer-free UPS (300-800kVA) The KEHUA high frequency IGBT rectifier uses 3 level dual-converter online technology, IGBT, and DSP (digital processing processors). The KR(/B)33-BM series ensures high quality electricity is provided to any data processing or industrial load and is particular applicable to the protection of important key loads. VFISS 11 (voltage, frequency independent) complies with IEC EN 62040-3. The design of this series uses a new configuration which includes replacing the traditional SCR rectifier with a IGBT rectifier which ensures sinusoidal input current. At the same time, the 300kVA and above compatible isolation converter enables complete electrical isolation between output and input and completely prevents any disturbance to the load equipment brought about by power grid abnormalities of the input.

Online Transformer-free Modular UPS (50-600kVA) The Kehua MR33 series modularized 3-Phase in, 3-Phase out UPS utilizes advanced 3 level inverter technology, a more reliable redundancy design from the entire system down to the components, and digital technology interconnection. It has the advantages of high efficiency, high power density, easy scaling, scaling on demand, and occupies only a small amount of floor area and provides safe, reliable, and clear environmentally friendly power to loads.