Product Category



Category: UPS

BKH Brief


BKH series modularized UPS maintains the technical features of traditional tower-type UPS and adopts modularized design to meet the need of modern service room, while ensuring the high reliability of the system. BKH series offers various power modules and cabinet systems, and the user can able to flexibly combine them according to load demand. The capacity of a single cabinet is 200KVA and that of combined cabinets reaches 400KVA.

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BKH Main Features


  • UPS system is modular design, N+X redundancy, hot plugging for system update or capacity expansion
  • Strong load adaptability and loading capacity, and excellent power grid applicability
  • Green and energy-saving power supply; overall efficiency>95%, input power factor> 0.99, input current harmonics (THDi) <3%
  • Dual DSP for independent control of power module, no single point of failure
  • Digital control of rectification, inverter, charging and discharging via DSP
  • Integrated and packaged IGBT instead of discrete device to greatly enhance the reliability of power module and UPS system
  • Front panel for easy maintenance, inlet wire from top to bottom for easy connection by user
  • Large touch screen of human-machine interface, a great amount of information
  • Independent charging system, strong charging capacity, Perfect battery management scheme
  • Parallel connection technology of digital modules, precision circular current index
  • Easy to install even close to other equipments, space-saving footprint in service room
  • Redundancy and intelligent adjustable-speed fan, low noise, low power consumption
  • Integrated distribution system inside system cabinet, easy to install, low investment by user
  • Good matching performance with motor
  • DC Starting via battery (cold boot) for easy operation
  • Three-proofing treatment of all circuit boards.
  • Optional Standard battery bank or extension battery bank
Capacity (KVA)1-200KVA
Main Input
Input Voltage380V/400V/415V
Input Frequency50/60Hz
Power Factor>0.99
Input Total Harmonic DistortionTHDi<3%
Input voltage Range-40%~+C1125%
Frequency Range40-70Hz
Battery Voltage±240VDC or ±384VDC
Charger Power20% * System Power
Charger Voltage Precision1%
Bypass Voltage380V/400V/415V
Bypass Voltage Range-50%~+20%
Overload Capability150%<load<180%, time=”” work=””>1mins, >180%, work time< 100ms</load<180%,>
Output Voltage380V/400V/415V
Output Voltage Regulated Accuracy±1%( Stable load ), ±3%( fluctuant load )
Total Harmonic DistortionTHD<1% ( Linear Load ), THD< 3% ( Non-Linear Load )
Output Power Factor0.8
Crest Factor3:01
Overload Capability125%, switch to bypass after 10H, 150%, switch to bypass after 1H, >150%, switch to bypass after 200ms
System Parameters
System EfficiencyNormal Mode: 95%, ECO Mode: 99%
Battery Mode Efficiency95%
DisplayLCD+LED, Touch Screen+ Keyboard
Protection LevelIP20
Communication PortRS232, RS485, Dry contacts, SNMP card, EPO, Generator port
Connection methodSupport connection of up and down
Running temperature0-40ºC
Storage temperature-25ºC-70ºC
Relative humidity0-95% ( no condensing )
Noise (dB)<55dB
Weight (Kg)6-module cabinetModel: BKH060K/10, BKH090/15, BKH120/20150Kg
10-module cabinetModel: BKH100K/10, BKH150/15, BKH200/20180KG
Model: PM1010kVA power module: 20Kg
Model: PM1515kVA power module: 21Kg
Model: PM2020kVA power module: 22Kg
Size ( W*D*H ) mm6-module cabinet600*900*1600
10-module cabinet600*900*2000
Power module440*600*134 ( 10KVA/15KVA/20KVA )