stock code: 002335.SZ

Critical Power

Critical Power

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  • Transformer-based UPS FR-UK31 Series(10-50kVA)
    Transformer-based UPS FR-UK31 Series(10-50kVA)
    3-In-1-Out Online Transformer-based UPS(10-50kVA) The FR-UK series is the result of Kehua’s 20 years of research and development experience and utilizes Kehua’s self-developed patented technology. In order to satisfy client’s high requirements, a reliable new generation high performance sine wave online power supply was designed. It has complete functions, is small in size, and is highly efficient with simple operation along with other features. It is particular suitable for use in harsh power grid environments.
  • Transformer-free UPS
    Transformer-free UPS KR33 Series (10-200kVA)
    3 Phase Online Transformer-free UPS (10-200kVA) The KEHUA KR33 series 3-Phase in, 3-Phase out UPS uses advanced 3 level inverter technology and digital technology for full interconnection and has advantages such high efficiency, high power density and occupies only a small amount of floor space. 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.
  • Transformer-based UPS FR-UK33A Series (10-200kVA)
    Transformer-based UPS FR-UK33A Series (10-200kVA)
    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.
  • Transformer-free UPS
    Transformer-free KR33 BM Series (300-800kVA)
    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.
    Tags : IGBT Efficiency
  • Modular UPS MR33A Series (20-240kVA)
    Modular UPS MR33A Series (20-240kVA)
    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.
    Tags : Modular UPS
  • Modular UPS , 50-600kVA UPS
    Modular UPS MR33 Series (50-600kVA)
    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.
  • Transformer-based UPS FR-UK33 Series (10-600kVA)
    Transformer-based UPS FR-UK33 Series (10-600kVA)
    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.
  • Static Transfer Switch System(63-400A)
    Static Transfer Switch System(63-400A)
    STS (Static Transfer Switch) is applied for various important power supply environments, such as computer systems, working and fire fighting in buildings, hospitals, malls, hotels, highway, tunnels, subway, light rail, airport, electric power system, finance, telecommunication and so on.
  • Single Phase Rack Automatic Transfer Switch (10-32A/2-6kVA)
    Single Phase Rack Automatic Transfer Switch (10-32A/2-6kVA)
    Automatic Transfer Switch ● Isolated dual AC input ● Accurate synchronization ● Flexible control panel location (Front or Rear); ● It ensures the high MTBF and the system reliability of inverter system or UPS system
  • Transformer-free UPS KR-RM Series (1-3kVA)
    Transformer-free UPS KR-RM Series (1-3kVA)
    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
    Tags : Rack Type UPS
  • Transformer-free UPS KR11 UL Series (1-5kVA)
    Transformer-free UPS KR11 UL Series (1-5kVA)
    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.
  • Transformer-free KR11 Plus Series (1-10kVA)
    Transformer-free KR11 Plus Series (1-10kVA)
    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.

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