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The Legrand Keor DK R/T 3U – Model 311371 is an empty battery cabinet designed specifically for Keor DK UPS models 10–15–20 kVA.
This cabinet allows users to select and install their preferred battery type and capacity according to specific backup time and application requirements.
With its standard 3U design, the cabinet can be installed either in a 19” rack or as a tower, making it ideal for data centers, IT systems, telecommunications, industrial environments, and commercial buildings.
Empty design – flexible battery configuration:
Enables users to freely choose battery capacity and technology (VRLA, Lithium, etc.) based on actual backup requirements.
Perfect compatibility:
Fully compatible with UPS Keor DK models 311353, 311354, and 311355, providing extended energy storage for the system.
Hot-swappable battery support:
Allows battery replacement or maintenance without shutting down the UPS, ensuring continuous operation.
Compact 3U design:
Saves installation space and easily integrates into 19” racks or can be placed as a standalone tower.
Stable performance in harsh environments:
Operates reliably in temperatures from 0°C to +50°C and up to 95% non-condensing humidity.
Quiet operation:
Low noise level of ≤ 55 dBA at a distance of 1 meter.
Durable construction – compliant with international standards:
Built to IP20 protection rating, resistant to dust, vibration, and mechanical impact per 3S5 – 3M11 standards.
Operates stably up to 2000 meters above sea level without power derating.
Certified to international standards:
Complies with CE, CMIM, and UKCA certifications and meets EN IEC 62040-1 / -2 / -3 standards for safety and EMC.
| Parameter | Description |
|---|---|
| Model | 311371 |
| Compatible UPS models | 3 113 53, 3 113 54, 3 113 55 |
| Battery type | Empty battery cabinet (no batteries included) |
| Nominal battery voltage | 192 VDC / ±96 VDC |
| Rated current | 55.4 A |
| Scalability | Supports additional battery extension cabinets |
| Hot-swappable capability | Yes |
| Net weight | 13.3 kg |
| Dimensions (H × W × D) | 130 mm (3U) × 438 mm × 535 mm |
| Operating temperature | 0 to +40 °C (100% load) / 0 to +50 °C (80% load) |
| Relative humidity | 0–95%, non-condensing |
| Storage temperature | –20 to +50 °C |
| Noise level (at 1 m) | ≤ 55 dBA |
| Protection rating | IP20 |
| Pollution degree | PD2 |
| Climatic class | 3K22 |
| Special climatic category | 3Z2 |
| Biological class | 3B2 |
| Mechanical class | 3M11 |
| Mechanical impact class (dust/vibration) | 3S5 |
| Operating altitude | Up to 2000 m above sea level without derating |
| Certifications | CE, CMIM, UKCA |
| Safety standard | 2014/35/EU Directive – EN IEC 62040-1 |
| EMC standard | 2014/30/EU Directive – EN IEC 62040-2 |
| Performance & testing standard | EN IEC 62040-3 |
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