UPS Keor DK 311352 10000 VA, 2U

Product Code: 311352
Product Line: KEOR DK
Product Type: Tower 2U - 10kVA
Brand: Legrand

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Legrand Keor DK 311352 UPS Description

The Legrand Keor DK 311352 is a 10 kVA (10,000 W) On-line Double Conversion UPS, featuring a power factor of 1.0. Designed for professional environments, it offers flexible installation in either rack or tower format, making it ideal for servers, network systems, and mission-critical equipment. With up to 96% efficiency in standard mode and 98–99% in ECO mode, this UPS ensures stable, clean, and continuous power, providing superior protection against voltage fluctuations and electrical disturbances — perfect for data centers and technical facilities.

Key Features

Rated Power: 10 kVA / 10,000 W (Model 311352).
Output Power Factor = 1: delivers the full rated capacity as active power (10 kVA = 10 kW).
Technology: On-line Double Conversion (VFI-11) — continuous AC → DC → AC conversion ensures pure, stable output power.
High Efficiency: up to 96% in normal operation; up to 98–99% in ECO mode.
Battery Support: compatible with VRLA or lithium batteries; external battery cabinets can be added to extend backup time.
No internal batteries: model 311352 is supplied without batteries (“NO BATT”), allowing customized battery configurations.
Advanced Monitoring: 3.5” touchscreen LCD with LED status bar, plus USB, RS-232, and SNMP interfaces for smart management.
Professional-grade performance with low input distortion, high power factor, and quiet operation.

Technical Specifications

Parameter	Specification
Nominal Power (VA)	10,000
Active Power (W)	10,000
Technology	On-line double conversion (VFI-SS-111)
Output Waveform	Pure sine wave
Installation Type	Convertible Tower / 19" Rack
Input Voltage	1-phase 230 V
Input Frequency	50/60 Hz ±5% (auto sensing)
Input Voltage Range (full load)	176 – 280 V
Input Current THD	< 5%
Input Power Factor	> 0.99
Output Voltage	230 V ± 1%
Output Frequency	50/60 Hz (configurable via LCD) ± 0.1%
Efficiency	Up to 96%
Crest Factor	3 : 1
Output Voltage THD	< 3% (linear load)
Output Voltage Tolerance	± 1%
Automatic Bypass	Yes
External Maintenance Bypass	Optional
Extended Backup Support	Yes
Display	3.5" touchscreen + LED status bar
Communication Ports	ROO, USB, RS232
Network Interface (SNMP)	Integrated
Emergency Power Off (EPO)	Yes
Dry Contact Relays	Built-in
Parallel Operation	Supported
UPS Dimensions (W × H × D)	440 × 88 (2U) × 700 mm
Net Weight	18 kg
Battery Cabinet Dimensions (W × H × D)	440 × 132 (3U) × 700 mm
Operating Temperature	0 – 40 °C
Protection Degree	IP 20
Relative Humidity	≤ 95%, non-condensing
Noise Level (1 m)	≤ 50 dB
Compliance Standards	EN 62040-1, EN 62040-2, EN 62040-3