off-line UPS / industrial / automatic
BU Series ShenZhen INVT Electric Co., Ltd.



  • Technology:


  • Applications:


  • Other characteristics:


  • Voltage:

    Min.: 110 V

    Max.: 240 V

  • Input voltage:

    290 V, 85 V

  • Output voltage:

    102 V, 255 V

  • Output power kVA:

    Min.: 500 kVA (679.81 hp)

    Max.: 3,000 kVA (4,078.86 hp)


The Bu series is manufactured by Invt, and is an offline UPS that has an extensive capacity of input voltage that ranges from 165 V ±5 V up to 275 V ±5 V. The unit is developed to have a wide array of input voltage in order to prevent frequent switching to its battery mode, and as well as extending the service life of the battery. The model has an automated voltage monitoring function to guarantee a safe load operation in its voltage range.

The Bu series has the capacity to support DC cold boots and operate without any AC input. The series has a lot of protections from various irregularities such as battery under voltage, overloading, and over temperature.