UPS Keor DK 311341 2000 VA, 2U

Description of UPS Legrand Keor DK 311341

Legrand Keor DK 311341 is a single-phase UPS, On-line Double Conversion (VFI) technology, 2U size (19” rack) can be rack-mounted or converted to tower form, nominal capacity 2 kVA (~2 kW, PF = 1).

Modern design, easy to install, integrated touch screen, internal battery, and expandable battery cabinet, making the product suitable for small servers, network equipment, surveillance cameras, security systems and mini server rooms that need clean, stable power and backup power when power outages.

Outstanding features:

• Real capacity 2 kW (PF = 1) - provides all real capacity to the load.
• On-line Double Conversion technology (VFI-SS-11) - completely isolates the load from power fluctuations.
• 2U convertible design - 19” rack-mounted or tower form, optimizing space Equipment room.
• Touch screen + LED status bar – displays status according to installation direction, with gravity sensor.
• Internal battery or external expansion – for backup time from 10 ~ 20 minutes (depending on load and configuration).
• High efficiency: AC/AC ~93%; ECO Mode reaches 98%.
• Wide input voltage range: 176 – 280 V (1 phase), stable when the grid fluctuates.
• Maximum protection: EPO, Cold Start, Backfeed protection, ROO/Dry contact.
• Diverse communication ports: USB, RS-232, ROO; optional SNMP/BMS card for remote monitoring.
• Supports Lithium battery and external charger 8 A to extend backup time.
• Complies with EN 62040-1/2/3 standard, IP20 protection level, stable operation at 0 – 40 °C.

Technical Specifications

Power & Input / Output

• Nominal Power: 2000 VA / 2000 W (PF = 1)
• Technology: On-line Double Conversion (VFI-SS-11)
• Input Voltage: 230 V (1 phase)
• Input Voltage Range: 176 V – 280 V (full load)
• Input Frequency: 50/60 Hz ± 5%
• 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
• 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 for increased runtime

Mechanical & environmental

• Dimensions (W × H × D): 440 × 88 (2U) × 554 mm
• Weight: ~20 – 22 kg
• Operating temperature: 0 – 40 °C
• Operating humidity: < 95% non-condensing
• Noise level: < 50 dBA @ 1 m
• Protection rating: IP20
• Case: Anti-corrosion coating

Management & communication

• Display: Touch screen (3.5” – 4.3”) + LED status bar
• Standard ports: USB, RS-232, ROO (remote on/off)
• Optional: SNMP/BMS card, dry Contact, External Bypass
• EPO (Emergency Power Off) Function: Yes
• Cold Start: Yes
• Backfeed Protection: Yes
• Remote Management: Supported

Expansion Capabilities & Accessories

• Parallel Operation: Not applicable for 2 kVA (single unit) models
• Bypass: Automatic built-in; optional external manual bypass
• 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