UPS Legrand KEOR DK 311336 3000 (2U)

Product Code: 311336
Product Line: KEOR DK
Product Type: Tower 2U - 3kVA
Brand: Legrand

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UPS Legrand Keor DK 311336

The Legrand KEOR DK 311336 (3kVA / 3kW – 2U) is a single-phase Online Double Conversion UPS (VFI-SS-11) from the premium KEOR DK series, designed to deliver reliable, high-quality power for IT systems, security equipment, servers, and industrial applications that demand extended backup time and high availability.

Key Features:

True Power Output 3kW (PF = 1): Delivers maximum efficiency for modern IT and industrial loads.
Online Double Conversion (VFI-SS-11) Technology: Provides complete protection against voltage fluctuations, surges, and power disturbances.
Compact Convertible Design (2U Rack/Tower): Space-saving solution compatible with shallow 19” rack cabinets.
External Battery Support: No internal batteries; easily connects to external battery cabinets for flexible runtime extension.
Advanced LCD Touchscreen + LED Bar: Auto-rotating display for both rack and tower installation.
High Efficiency >92%, ECO Mode up to 98%.
Versatile Communication: USB, RS-232, ROO ports, optional SNMP/BMS network management.
Comprehensive Protection: Includes EPO, backfeed protection, cold start, and overload handling.
Generator Compatible: Stable performance under demanding electrical environments.

Technical Specifications

Parameter	Specification
Nominal Power (VA)	3000 VA
Active Power (W)	3000 W
Technology	On-line Double Conversion (VFI-SS-11)
Waveform	Sinusoidal
Installation Type	Convertible tower and 19" rack
Input Voltage	230 V
Input Frequency	50/60 Hz ±5% autosensing
Input Voltage Range (Full Load)	176 V – 280 V
THD of Input Current	≤ 5%
Input Power Factor	> 0.99
Output Voltage	230 V ±1%
Output Frequency	50/60 Hz (configurable via LCD) ±0.1%
Efficiency	Up to 93%
Crest Factor	3:1
THD of Output Voltage	< 3% with linear load
Output Voltage Tolerance	±1%
Automatic Internal Bypass	Included
External Maintenance Bypass	Optional
Standard Backup Time	7 minutes
Backup Time Extension	Supported
Battery Charging Current	2A
Display	Touchscreen with LED status bar
Communication Ports	ROO, USB, RS232
Remote Control	Available
SNMP Network Port	Available
Backfeed Protection	Yes
Emergency Power Off (EPO)	Yes
Dry Contacts	Yes, embedded
Parallel Mode	Not applicable
Dimensions (W x H x D)	440 × 88 (2U) × 640 mm
Net Weight	27 kg
External Battery Dimensions	440 × 88 (2U) × 583 mm
Operating Temperature	0°C – 40°C
Protection Degree	IP 20
Relative Humidity	< 95%, non-condensing
Noise Level (1m)	< 48 dBA
Standards Compliance	EN 62040-1, EN 62040-2, EN 62040-3