UPS Legrand KEOR DK 311343 3000 (2U)

Description of UPS Legrand Keor DK 311343

Legrand KEOR DK 311343 3000 (2U) is a 3kVA / 2.7kW Online Double Conversion UPS, designed for IT systems, security equipment, telecommunications and light industry. The product provides optimal power stability, comprehensive protection against voltage problems such as voltage drops, voltage surges or electrical interference, ensuring continuous and safe operation of the device.

With a slim 2U design, the UPS can be installed in a rack or tower, flexible in any system space. KEOR DK 3000 (2U) is the ideal choice for medium-sized data centers, servers, network equipment and security monitoring systems that require high performance and absolute reliability.

Outstanding features:

• Online Double Conversion technology: provides pure, stable and clean sine wave output power.
• 3kVA / 2.7kW capacity: meets the needs of many devices operating simultaneously.
• Flexible 2U design: easy to convert between rack mount and tower.
• Built-in RS232, USB and SNMP ports: support remote monitoring and management.
• Compatible with Legrand management software: monitor UPS status and control safe on/off.
• Support external battery connection (EBC): flexible backup time extension.
• Quiet, environmentally friendly operating mode.
• High efficiency >90%, helping to save energy and reduce operating costs.

Specifications

Power & Input / Output

• Nominal Power: 3000 VA / 3000 W (PF = 1)
• Technology: On-line Double Conversion (VFI-SS-11)
• Input Voltage: 230 V (1 phase)
• Input Voltage Range: 176 – 280 V (at full load)
• Input Frequency: 50/60 Hz ± 5% (self-identification)
• Input Power Factor: > 0.99
• Input Current THD: < 5%
• Output Voltage: 230 V ± 1%
• Output Frequency: 50/60 Hz ± 0.1% (configurable via LCD)
• Output Voltage THD: < 3% with linear load
• Crest Factor: 3:1
• Efficiency (AC/AC): ~92%; ECO Mode reaches ~98%
• Output Power Factor: 1.0

Battery & storage / charging time

• Battery type: VRLA (sealed lead acid) - can be replaced with Lithium depending on configuration
• Battery configuration: Built-in (internal); external battery cabinet support
• Reference backup time: ~10 – 20 minutes (depending on load and battery version)
• Standard charging current: 2 A
• Extended charging option: 8 A to increase runtime
• Expansion support: External battery cabinet connected via dedicated port

Mechanical & environmental

• Dimensions (W × H × D): 440 × 88 (2U) × 554 mm
• Weight: ~26 kg (battery version)
• Operating temperature: 0 – 40 °C
• Operating humidity: < 95% RH (non-condensing)
• Noise level: < 50 dBA @ 1 m
• Protection level: IP20
• Case: Powder coated, anti-corrosion

Management & communication

• Display: Touch screen (3.5” – 4.3”) + LED status bar
• Standard port: USB, RS-232, ROO (remote on/off)
• Options: SNMP/BMS card, dry contact, external bypass
• EPO (Emergency Power Off) function: Yes
• Cold Start: Yes
• Backfeed protection: Yes
• Remote management: Supported

Expansion & Accessories

• Parallel operation: Not applicable for 3 kVA (single unit) models
• Bypass: Automatic integration; external manual bypass option available
• Genset compatibility: Yes
• Available accessories: Rack support kit, external bypass, dry contact card, battery cabinet, SNMP card

Standards & certifications

• Compliance standards: EN 62040-1 (safety), EN 62040-2 (EMC), EN 62040-3 (performance)
• Certifications: CE / RoHS / IEC Certified
• Protection and EMC levels: Meets IT & security industry standards