EH9315 3/1 External Battery Series (20-40KVA)

High Frequency Online UPS

The EH9315 series is a new generation of high-frequency online UPS, which adopts advanced DSP digital control technology, which effectively improves product performance and system reliability. It has the characteristics of small size, light weight, and high work efficiency. Effectively solve power problems such as power failure, mains high voltage, mains low voltage, instantaneous voltage drop, damping oscillation, high voltage pulse, surge voltage, harmonic distortion, clutter interference, frequency fluctuations, etc., and provide the best power for the load environment.

  • Double conversion online design
  • Ultra-wide input voltage range
  • With LCD+LED real-time display
  • With input phase sequence protection function
  • The efficiency of the whole machine is as high as 94.5%

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  • Double conversion online design, output zero conversion time.
  • Adopting DSP digital control, with excellent performance indicators, making the control system more stable and reliable.
  • Using active power factor correction technology (PFC), the input power factor is close to 1, which greatly reduces the pollution to the mains grid.
  • Ultra-wide input voltage range, the input voltage can be as low as 208V without switching to battery power supply.
  • Automatically recognize and adapt to the 50/60Hz power system, can be connected to various fuel generators and can work stably.
  • With LCD+LED real-time display, users can intuitively understand the UPS operating status.
  • Self-diagnostic function at startup, which can detect the hidden failure of the UPS in time.
  • With AC input over-voltage and under-voltage protection, output overload protection, short-circuit protection, temperature protection, battery under-voltage warning protection and battery over-charge protection, etc.
  • The efficiency of the whole machine is as high as 94.5%, which reduces the power loss of the UPS and saves the user’s use cost.
  • The standard RS232 communication interface and an SNMP card (optional) can be installed to realize the UPS remote monitoring function.
  • When there is no utility power, you can directly use the battery to cold start.
  • With input phase sequence protection function, the phase sequence cannot be turned on when the phase sequence is reversed.


The EH9335 series is the best choice for data centers, network management centers, and enterprise server rooms in various industries or fields such as telecommunications, finance, transportation, government,manufacturing, and energy.

Rated Capacity20KVA/18KW30KVA/27KW40KVA/32KW
AC Input Connection Type3W+N+PE
Rated Input VoltageAC 380V/400V/415V
Voltage RangeAC 208V~478V
Frequency Range45-55Hz at50Hz/54-66Hz at60Hz (Auto Sensing)
Input Power Factor≥ 0.99
Input current Harmonics≤ 3% (100% Non-linear Load)
Bypass RangeBypass protection voltage upper limit: 220V:+25%(optional +10%/+15%/+25%)
230V:+20% (optional +10%, +15%)
240V:+15% (optional +10%)
Bypass protection voltage lower limit: -45% (optional -20%, -30%)
Bypass bypass protection range: ±10%
AC Output Connection TypeL+N+PE
Output Voltage220/230/240VAC
Output Power Factor0.8/0.9
Output Accuracy±1%
Output FrequencyOnline mode: follow the mains frequency, battery mode: 50/60Hz±0.2%
Output Harmonic Distortion≤ 2% linear load; ≤ 5% non-linear load
Number Of BatteriesOptional: DC±192V/204V/216V/228V/240V(±16/17/18/19/20 pcs) Default: DC±192V
Recharging Current10A max
Switching TimeMains mode to bypass mode: 0ms;  Mains mode to battery mode: 0ms
Normal mode (full load)≥ Efficiency 94.5%
Communication InterfaceRS232, RS485, SNMP card (optional), relay card (optional)
Overload ProtectionLoad ≤ 110%, 60min; ≤ 125%, 10min; ≤ 150%, 1min; ≥ 150%, immediately transfer to bypass
Over Temperature ProtectionNormal mode: switch to bypass mode; battery mode: turn off the output immediately
Emergency Shutdown (EPO)Turn off output immediately
Maintenance BypassStandard maintenance bypass switch
Working Environment
Operating Temperature0~40℃
Storage Temperature-25~55℃ (Battery: 0~40℃ )
Relative Humidity0%~95% (no condensation)
AltitudeAltitude < 1500m, when it exceeds 1500m, use derating according to GB/T 3859.2
Physics Characteristic
Overall Volume (D*W*H) (mm)690*250*734
Net Weight (kg)464748