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APC Easy 3S Double-Conversion (Online) UPS 20 kVA 20000 W (E3SUPS20KHB)

Three-phase 400 V connection at the input as well as the output, with a tolerance from 304 to 477 V that copes with an unstable mains supply. Pure sine wave output, a white 122 kg tower format and monitoring over a USB port.

  • Three-phase 400 V input and output, 380 and 415 V also accepted
  • Input voltage tolerance from 304 to 477 V
  • Mains frequency accepted from 45 to 65 Hz
  • Pure sine wave output
  • Sealed lead VRLA batteries 220 V
  • Harmonic distortion below 3 % at full load
  • Load power factor from 0.9 capacitive to 0.9 inductive
  • Maximum input current of 37 A per phase
  • Monitoring over a USB port
  • Tower format, white colour
  • Weight 122 kg
  • IP20 protection rating
Ref.: E3SUPS20KHB
97 799,00 DHincl. VAT

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Product overview

The APC Easy 3S double-conversion (online) uninterruptible power supply, 20 kVA 20,000 W, offers unrivalled protection for your critical equipment. With its double-conversion (online) technology and an output capacity of 20 kVA (20,000 W), this unit delivers stable, secure power. Its pure sine waveform and 220 V sealed lead-acid (VRLA) batteries ensure reliable performance. Its compact white tower design makes installation and maintenance easy — ideal for demanding environments. Perfect for keeping your operations running without compromise.

- Double-conversion (online)
- 20 kVA 20,000 W
- Waveform: Pure sine
- Sealed Lead Acid (VRLA) 220 V
- White tower

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Technical specifications

Technical specifications
Output voltage400 V three-phase (380 / 415 V)
Output harmonic distortionLess than 3%
Input voltage400 V three-phase (380 / 415 V)
Input frequency45 - 65 Hz
Voltage range304 - 477 V
Maximum input current37 A
Battery typeVRLA (valve-regulated lead-acid), 220 V bus
Weight (kg)122 kg
Dimensions (W x D x H) (mm)380 x 928 x 1,400 mm
TechnologyOn-line
Power (VA)20,000 VA
Technical specifications (continued)
Voltage stabiliserYes
Transfer/switching time0 ms (continuous double conversion)
Input power factor0.99 at full load
Output frequency50 or 60 Hz, synchronised to mains
Phase (output/input)Three-phase / Three-phase
Output typeTerminal block
Power (W)20,000 W
Form factorTower
Control & communicationUSB
Warranty1 year

Specific references

EAN731304340782

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Under Law 09-08, you have the right to access, rectify and object to the processing of your personal data. This processing has been authorised by the CNDP under no. D-CE-389/2015. Learn more

Frequently asked questions about this product

Does the Easy 3S 20 kVA require a three-phase supply?
Yes: input and output are 400 V three-phase, with 380 and 415 V also accepted. Connection is made to a terminal block, as fixed wiring — installation requires an electrician and a suitable distribution board.
How much current does the E3SUPS20KHB draw per phase?
37 A maximum per phase. This is the figure to give your electrician to size the upstream protection and the cable cross-section: an undersized circuit would trip at the first rise in load.
Does this 20 kVA unit really deliver 20 kW?
Yes, 20 kVA corresponds here to 20 kW. The unit also accepts loads with a power factor ranging from 0.9 leading to 0.9 lagging, with no loss of available power.
What input voltage does the E3SUPS20KHB tolerate?
From 304 to 477 V, with an accepted mains frequency of 45 to 65 Hz. This latitude lets it stay in normal mode where an unstable grid would switch an ordinary UPS over to its batteries.
What quality of power does it deliver?
A pure sine wave, harmonic distortion below 3% and voltage held to within ±1.5%. That is what sensitive equipment running around the clock requires.
Does the E3SUPS20KHB disturb the upstream grid?
Very little: its input power factor reaches 0.99 and its input harmonic distortion stays below 3% at full load. It therefore behaves almost like a resistive load for the installation that feeds it.
How much heat does the E3SUPS20KHB give off?
900 W of heat dissipation: a ventilated, or even air-conditioned, technical room is required. It operates between 0 and 40 °C, up to 95% non-condensing humidity.
How much space should be allowed for the E3SUPS20KHB?
A cabinet 140 cm high, 38 wide and 92.8 deep, weighing 122 kg. Allow access clearance for maintenance and a floor able to bear that load.
Is the APC Easy 3S E3SUPS20KHB new and under warranty?
Yes, new equipment, with the invoice serving as the warranty document. It is monitored through a USB port, withstands a short-circuit current of 10 kA and carries CE, EAC and RCM certifications.

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