UPS Keor DK

Product line: Keor DK
Brand: Legrand (France)

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Overview of Keor DK UPS series

Keor DK is Legrand's new generation On-Line Double Conversion UPS series, designed according to Rack/Tower convertible standards (2U/3U), meeting the needs of stable, safe and continuous power protection for IT, security, industrial and telecommunications systems.

With AC/AC efficiency up to 96%, ECO Mode up to 98%, 4.3" touch screen and lithium battery compatibility, Keor DK provides the optimal solution between performance - durability - energy saving.

Outstanding features:

On-line Double Conversion technology (VFI-SS-11): absolute voltage & frequency stability.
Output Power Factor 1.0 (kVA = kW): provides 100% real power.
Outstanding efficiency: AC/AC up to 96%, ECO Mode up to 98%.
4.3" touch screen with integrated gravity sensor, intuitive parameter display.
Ready for Lithium / VRLA batteries, supports extended backup time.
Compact 2U / 3U design, suitable for 600 mm deep rack cabinets.
Various communication ports: USB, RS-232, ROO, SNMP, Dry Contact, BMS.
Integrated EPO, ROO, backfeed protection, cold start, automatic bypass.
Parallel support (≥ 5 kVA) – expand capacity to 4 UPS.
High-power charger (2A / 8A) – increase charging speed and extend operating time.
Generator compatible, anti-corrosion housing, IP20, quiet operation
Complies with EN/IEC 62040-1/2/3, CE, RoHS standards.

Main technical parameters of Keor DK UPS series

Nominal capacity: from 1 kVA to 20 kVA
Output power factor (PF): 1 (kVA = kW)
Technology: Online Double Conversion (VFI – SS-11)
Equipment structure: Flexible conversion Rack/Tower (1 – 10 kVA) or 19” Rack (10 – 20 kVA)
AC/AC efficiency: up to 96 %
ECO Mode efficiency: up to 98 – 99 %
Input voltage range: 176 V – 280 V (at 100 %) load
Input frequency: 50/60 Hz (automatic recognition)
Input power factor: > 0.99
Input current THD: < 5 %
Output voltage: 230 V ± 1 %
Output voltage wave distortion (THDv): < 3 % with linear load
Crest Factor: 3:1
Switching time: 0 ms (continuous online operation)
Communication ports: USB, RS-232, SNMP (optional), Dry Contact, EPO
Display: LCD touch screen (4.3”) with gravity sensor
Expansion capabilities: Parallel connection is possible from models ≥ 5 kVA
Battery: VRLA (AGM) or Lithium-ion; optional battery cabinet extension
Backup time: Flexible according to configuration and number of battery blocks
Network connection port: RJ-45 / Intelligent Slot / SNMP Card (optional)
Operation mode: Online / ECO / Battery / Bypass
Safety standard: IEC 62040-1
EMC standard: IEC 62040-2
Protection level: IP20
Operating environment temperature: 0 – 40 °C
Relative humidity: 0 – 95 % (non-condensing)
Operating altitude: ≤ 1000 m (non-deloading)
Compatibility: Lithium-Ready, remote management via Legrand UPS Monitoring software