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UPS Legrand KEOR DK 311334 1000 (2U)
- Product Code: 311334
- Product Line: KEOR DK
- Product Type: Tower 2U - 1kVA
- Brand: Legrand
UPS Legrand Keor DK 311334
The Legrand Keor DK 311334 is an On-line Double Conversion UPS (VFI-SS-11) with a capacity of 1000 VA / 1000 W, ensuring a stable, clean, and uninterrupted power supply for critical equipment.
The unit features a convertible tower or 19” rack design, making it suitable for data centers, network cabinets, and industrial systems.
It is equipped with a modern touchscreen display and supports multiple communication interfaces such as USB, RS232, and SNMP, allowing users to easily monitor and manage the system remotely.
Key Features
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On-line Double Conversion technology completely isolates connected devices from electrical noise and voltage fluctuations.
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True power output of 1000 W, with a high input power factor (>0.99) for optimal energy efficiency.
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Wide input voltage range (176–280 V) ensures stable operation even under unstable mains conditions.
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High efficiency up to 92%, reducing energy loss and operating costs.
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Internal backup time of 9 minutes, expandable with external battery modules for extended runtime.
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Integrated EPO, dry contacts, SNMP, and ROO interfaces for enhanced connectivity and safety in professional installations.
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Compact design (2U, 15 kg) and low noise level (<50 dBA) make it ideal for office or server room environments.
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Complies with international safety and performance standards: EN 62040-1, EN 62040-2, EN 62040-3.
Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Power (VA) | 1000 VA |
| Active Power (W) | 1000 W |
| Technology | On-line Double Conversion (VFI-SS-11) |
| Output Waveform | Sinusoidal |
| Installation Type | Convertible Tower / 19" Rack |
| Nominal Voltage | 230 V |
| Nominal Frequency | 50/60 Hz ±5% (autosensing) |
| Input Voltage Range | 176 V – 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 92% |
| Crest Factor | 3:1 |
| Output Voltage THD | < 3% (linear load) |
| Output Voltage Deviation | ±1% |
| Automatic Bypass | Yes |
| External Maintenance Bypass | Optional |
| Internal Backup Time | 9 minutes |
| External Battery Expansion | Yes |
| Charging Current | 2 A |
| Display | Touchscreen with LED status bar |
| Communication Ports | ROO, USB, RS232 |
| Network Interface | SNMP |
| Reverse Fan Protection | Yes |
| Emergency Power Off (EPO) | Yes |
| Dry Contacts | Integrated |
| Dimensions (H x W x D) | 440 x 88 (2U) x 454 mm |
| Net Weight | 15 kg |
| Operating Temperature | 0 – 40 °C |
| Protection Degree | IP 20 |
| Relative Humidity | < 95%, non-condensing |
| Noise Level at 1 m | < 50 dBA |
| Compliance Standards | EN 62040-1, EN 62040-2, EN 62040-3 |
