The Legrand Keor DK is a high-performance uninterruptible power supply designed for critical applications that require continuous, clean, and reliable power. Built on Double Conversion On-Line technology with high-frequency PWM control, it delivers stable output with a power factor of 1, ensuring full utilization of its rated capacity. Its compact 2U rack design integrates both electronics and batteries, making it well-suited for space-conscious IT and network environments.
Key Features of Legrand Keor DK UPS 1000 VA
Double Conversion On-Line UPS technology
Rated power of 1000 VA / 1000 W with PF 1
High-frequency PWM control for stable output
Integrated VRLA rechargeable battery pack
Compact 2U rack-mounted form factor
Wide input voltage range for improved adaptability
USB, RS-232, and SNMP communication interfaces
High overall and eco-mode efficiency
Power and Performance
The Keor DK delivers 1000 W of effective output power with zero compromise between apparent and active power. Its online UPS topology continuously conditions incoming power, protecting connected equipment from voltage fluctuations, frequency variations, and electrical disturbances. With an output voltage range of 200–240 V and low harmonic distortion of just 3% under linear load, it ensures consistent power quality for sensitive systems.
Electrical Input and Output Characteristics
Designed for single-phase operation, the UPS accepts a wide input voltage range from 110 V to 280 V and input frequencies between 45 and 65 Hz. On the output side, it provides a stable AC supply at 50–60 Hz. Six C13 output connections support multiple devices, while the C14 input connection allows straightforward integration into existing power infrastructures.
Efficiency and Operating Modes
With an overall efficiency of up to 92% in online mode and an impressive 98.3% in eco-mode, the Keor DK minimizes energy losses and operating costs. Intelligent power management features, including automatic shutdown and potential-free switch contact, enhance operational control and energy optimization in managed environments.
Battery System and Runtime Support
The UPS is equipped with valve-regulated, hermetically sealed VRLA accumulator batteries housed within a dedicated internal compartment. The integrated battery pack consists of three rechargeable elements, engineered for industrial applications and optimized for reliability and safety during continuous operation.
Communication and Network Integration
For monitoring and management, the Keor DK includes USB and RS-232 interfaces as standard, along with SNMP capability for network-based management systems. These interfaces allow administrators to monitor status, manage shutdown procedures, and integrate the UPS into centralized power management frameworks.
Physical Design and Installation
Measuring 88 mm in height, 440 mm in width, and 454 mm in depth, the Keor DK fits neatly into standard 19-inch racks while occupying only two rack units. Weighing 14.8 kg and rated at IP20, it is designed for controlled indoor environments with operating temperatures ranging from 0 to 40 °C.
Acoustic and Environmental Characteristics
The unit operates at a sound level of 45 dB, making it suitable for server rooms and technical areas where noise control is important. It supports universal load types and maintains stable performance across a broad range of operating and storage temperatures.
The Legrand 310963 DK Bypass Switch is designed to provide seamless bypass capabilities for UPS systems up to 6/10kVA. Compact yet robust, this switch ensures reliable operation and easy integration into your electrical setup.
Key Features of Legrand 310963 DK Bypass Switch
Type: Bypass accessory
Compatible with UPS systems up to 6/10kVA
Compact dimensions: 440 mm (W) x 176 mm (H) x 120 mm (D)
Durable construction for long-lasting performance
Easy installation and integration
Dimensions
With a width of 440 mm, a height of 176 mm, and a depth of 120 mm, this bypass switch fits efficiently into standard rack or wall-mounted configurations.
Performance
Engineered to handle 6/10kVA systems, the Legrand 310963 DK ensures uninterrupted power management, maintaining system stability during maintenance or power switching.
Installation Ease
Lightweight and compact, it allows for quick installation and integration into existing setups, minimizing downtime and simplifying electrical maintenance.
The Legrand 311360 KEOR DK 1KVA External Battery Module is designed to extend backup autonomy for compatible KEOR DK UPS systems. Built for fixed installations, it delivers stable 36 V DC output and integrates industrial-grade VRLA rechargeable batteries within a robust, rack-width enclosure suited for professional electrical environments.
Key Features of Legrand 311360 External Battery
Dedicated external battery module for KEOR DK 1KVA UPS systems
Stable 36 V DC output voltage
Integrated industrial VRLA rechargeable batteries
Silent operation with 0 dB sound level
Fixed connection for secure electrical integration
IP20 protection for controlled indoor environments
Electrical Performance
This battery module operates with a constant 36 V DC output, ensuring consistent power delivery to the connected UPS. It is designed exclusively as an energy storage extension and does not include output socket outlets or communication interfaces.
Battery Configuration
The unit contains four industrial-grade VRLA accumulator packs, each composed of three single elements. This configuration supports reliable energy storage for extended backup durations in non-portable, fixed installations.
Physical Construction
With a height of 88 mm, width of 440 mm, and depth of 583 mm, the module matches standard rack-width equipment dimensions. Its solid construction supports a total weight of 32.2 kg, reflecting the integrated battery capacity.
Installation and Connectivity
Designed for fixed electrical connections, the module includes a single fixed output connection. Terminal markings are clearly indicated to support accurate and efficient installation within professional electrical systems.
Environmental Operating Conditions
The battery module is suitable for operation in ambient temperatures ranging from 0°C to 40°C, with storage tolerance from -10°C to 50°C. Silent operation makes it appropriate for technical rooms where noise control is required.
System Compatibility
This external battery module is intended solely for use with compatible KEOR DK UPS systems. It does not support network management, modular expansion, or communication protocols, focusing instead on dependable energy storage performance.
The Legrand 311362 KEOR DK 2/3KVA External Battery Module is designed to extend the autonomy of compatible KEOR DK UPS systems. Built for fixed industrial installations, it provides reliable DC power storage in a compact, rack-width enclosure, making it suitable for controlled electrical environments where continuity and stability are required.
Key Features of Legrand 311362 External Battery
External battery module for KEOR DK 2–3 kVA UPS systems
72 V DC output for stable energy delivery
Industrial-grade VRLA rechargeable accumulator technology
Silent operation with 0 dB noise level
Fixed connection input for secure installation
IP20-rated enclosure for indoor environments
Power and Voltage Configuration
This battery module operates at a fixed 72 V DC output, ensuring consistent and dependable power delivery to connected UPS equipment. The DC voltage design supports stable energy transfer without voltage fluctuation across its operating range.
Battery Technology
Equipped with industrial VRLA rechargeable accumulators, the module includes two battery packs with six single elements per pack. This configuration supports long-term energy storage while maintaining a compact and service-friendly internal layout.
Physical Dimensions
With a height of 88 mm, width of 440 mm, and depth of 583 mm, the unit aligns with standard rack-width installations. Its 36.2 kg weight reflects a solid, industrial construction suitable for stationary deployment.
Installation and Connections
The module uses a fixed input connection and provides one fixed output connection. It does not include socket outlets or C13/C19 connectors, reinforcing its role as a dedicated battery extension rather than a power distribution device.
Operating Environment
Designed for indoor use, the unit operates reliably within a temperature range of 0–40 °C and can be safely stored between -10–50 °C. The IP20 protection rating ensures adequate safeguarding in controlled environments.
Noise and Operational Characteristics
The Legrand KEOR DK external battery module operates silently with a sound level of 0 dB. It does not include auto shut-down functionality, communication interfaces, or network management features, keeping the design focused on pure energy storage.
Application Scope
This battery module is intended for industrial, non-portable applications where extended backup power is required. It is not modular and is best suited for permanent installations supporting critical electrical systems.
The Legrand Keor DK UPS is a high-performance, double conversion on-line uninterruptible power supply designed to deliver stable and continuous power for critical IT, network, and industrial applications. Built with high-frequency PWM technology and a solid neutral configuration, this 2000 VA / 2000 W system ensures consistent power quality, compact rack integration, and dependable energy protection within just two rack units.
Key Features of Legrand Keor DK UPS
Double Conversion On-Line UPS technology for continuous power conditioning
Rated power of 2000 VA / 2000 W with power factor 1
High-frequency PWM technology for efficient operation
Integrated VRLA accumulator batteries housed within the UPS
Compact 2U rack-mount design with electronics and batteries combined
USB, RS-232, and SNMP interfaces for advanced monitoring
High efficiency up to 92.5%, with 98.3% efficiency in eco-mode
Power Architecture
The Keor DK utilizes true double conversion on-line technology to isolate connected equipment from electrical disturbances. With single-phase input and output, it delivers clean AC power with a maximum output voltage distortion of just 3% under linear loads.
Input and Output Performance
Designed to operate across a wide input voltage range of 110–280 V and input frequency range of 45–65 Hz, the system maintains stable output between 200–240 V at 50–60 Hz. This flexibility ensures reliable operation even in unstable power environments.
Efficiency and Power Factor
With an output power factor of 1, the UPS provides full usable power without derating. Overall system efficiency reaches 92.5% during normal operation, while eco-mode increases efficiency to 98.3%, reducing energy consumption and heat generation.
Battery System
The UPS includes a built-in VRLA rechargeable accumulator battery pack consisting of six single elements. The hermetically sealed batteries are housed internally, providing reliable backup power while maintaining a compact and service-friendly design.
Connectivity and Management
Integrated USB, RS-232, and SNMP communication interfaces enable seamless integration with network management systems. The UPS supports auto shutdown functionality and includes a potential-free switch contact for enhanced system control.
Physical Design
Housed in a robust IP20-rated enclosure, the Keor DK measures 88 mm in height, 440 mm in width, and 640 mm in depth. Weighing 24.4 kg, it is optimized for standard rack installations while maintaining low acoustic output at just 45 dB.
Operating Conditions
The UPS is engineered for operation in temperatures ranging from 0°C to 40°C, with storage capability between -10°C and 50°C. Its universal load compatibility makes it suitable for a wide range of professional power protection scenarios.
The Legrand 311364 KEOR DK 10kVA External Battery Module is designed to extend the autonomy of compatible KEOR DK UPS systems. Built for industrial environments, this external battery solution delivers reliable DC power support while maintaining silent operation and a compact, rack-aligned footprint.
Key Features of Legrand 311364 External Battery
Designed for use with KEOR DK UPS systems
Industrial-grade VRLA rechargeable battery technology
Silent operation with 0 dB noise level
Fixed connection for stable power integration
Compact form factor suitable for technical environments
Power and Electrical Configuration
This external battery module operates with a DC voltage type and delivers a stable output voltage of 240 V. It is engineered exclusively as an energy storage extension, with no direct AC output sockets or IEC outlets, ensuring focused and efficient battery performance.
Battery Technology
The unit contains a single industrial-grade VRLA accumulator pack consisting of 20 individual battery elements. The batteries are housed internally within the product enclosure, offering a robust and maintenance-friendly energy storage solution for continuous power systems.
Physical Design and Build
With dimensions of 132 mm in height, 440 mm in width, and 700 mm in depth, the module aligns well with standard rack-based power installations. Its solid construction supports a total weight of 65.5 kg, reflecting its industrial-duty design.
Environmental Operating Conditions
The battery module is designed to operate within a temperature range of 0°C to 40°C, while storage conditions are supported between -10°C and 40°C. An IP20 protection rating makes it suitable for controlled indoor technical environments.
Connectivity and Interfaces
This model is focused purely on battery expansion and does not include USB, RS-232, SNMP, or network management interfaces. Power input is handled through a fixed connection, ensuring consistent and secure electrical integration.
Operational Characteristics
The module operates silently with a sound level of 0 dB and includes terminal marking indications for straightforward installation. Features such as auto shutdown, modular expansion, and potential-free contacts are intentionally excluded to maintain a dedicated battery-only role.
The Legrand Keor DK 3000 VA is a high-performance online uninterruptible power supply designed for critical single-phase applications. Using double conversion on-line technology with high-frequency PWM control, it delivers stable, clean power with a unity power factor, ensuring maximum usable output in a compact 2U rack-mounted design.
Key Features of Legrand Keor DK 3000 VA UPS
Double Conversion On-Line UPS technology
3000 VA / 3000 W rated power with PF 1
High-frequency PWM control for voltage stability
Integrated VRLA accumulator batteries
Compact 2U rack-mounted construction
USB, RS-232, and SNMP communication support
High efficiency up to 98.3% in eco-mode
UPS Technology
The Keor DK operates using true online double conversion technology, continuously regenerating the output power to isolate connected equipment from electrical disturbances. This design ensures consistent voltage and frequency regulation regardless of input conditions.
Power Capacity and Performance
With an effective output power of 3000 W and apparent power of 3000 VA, the unit delivers full-rated power without derating. A unity output power factor maximizes efficiency and supports a wide range of universal loads.
Input and Output Characteristics
The UPS accepts a wide input voltage range from 110 to 280 V and input frequency from 45 to 65 Hz. Output voltage is tightly regulated between 200 and 240 V with a selectable frequency range of 50 to 60 Hz and voltage distortion limited to 3% under linear loads.
Battery Configuration
The system includes valve-regulated, hermetically sealed VRLA accumulator batteries housed internally within a dedicated compartment. This industrial-grade battery configuration ensures reliable backup power while maintaining a compact physical footprint.
Efficiency and Energy Use
Overall operational efficiency reaches 93% during normal operation and up to 98.3% when operating in eco-mode. Power consumption remains low at 63 W, supporting energy-conscious installations.
Communication and Management
Integrated USB, RS-232, and SNMP interfaces allow for flexible monitoring and integration into network management systems. Features such as auto shutdown and potential-free switch contacts support controlled power management.
Connectivity and Output Options
The rear panel provides six IEC C13 output connections and one IEC C19 output connection. Power input is handled through a C20 connector, supporting standard rack-based electrical infrastructures.
Physical Design and Installation
Designed for rack environments, the UPS occupies only 2U of rack space, measuring 88 mm in height, 440 mm in width, and 640 mm in depth. With a weight of 27 kg and IP20 protection rating, it is suitable for controlled indoor installations.
Operating Conditions
The Keor DK is rated for continuous operation in ambient temperatures from 0°C to 40°C, with storage capability from -10°C to 50°C. Acoustic noise is limited to 45 dB, making it suitable for equipment rooms and technical environments.
The Legrand Keor DK UPS is a high-performance online uninterruptible power supply designed for critical applications requiring continuous, stable power. Built with high-frequency PWM technology and Double Conversion On-Line architecture, it delivers consistent output with a power factor of 1, ensuring maximum efficiency and reliability in professional IT and industrial environments.
Key Features of Legrand 311351 KEOR DK Charger UPS
Double Conversion On-Line technology with high-frequency PWM
Rated power options: 5000 VA, 6000 VA, and 10000 VA
Output power factor of 1 for optimal energy utilization
External battery cabinet compatibility
Compact 2U rack-mounted design
High overall efficiency up to 95.1%
Eco-mode efficiency up to 99%
Integrated USB, RS-232, and SNMP communication interfaces
UPS Technology
The Keor DK uses Online Double Conversion technology, ensuring complete isolation between input and output power. This design protects connected equipment from voltage fluctuations, frequency variations, and electrical disturbances at all times.
Power Performance
With an effective and apparent output power of 6000 W / 6000 VA and a unity power factor, the UPS maximizes usable power capacity. Output voltage ranges from 200 to 240 V with minimal distortion, maintaining voltage distortion as low as 2% under linear load conditions.
Input and Output Specifications
The unit supports a wide input voltage range of 176–280 V and operates across primary frequencies from 45–65 Hz. It delivers a stable output frequency between 50–60 Hz, making it suitable for diverse power environments.
Battery Configuration
This model does not include internal batteries, allowing flexible scalability through external battery cabinets. It supports valve-regulated, hermetically sealed accumulator batteries to extend runtime as required.
Efficiency and Energy Management
The Keor DK achieves an overall efficiency of 95.1% during online operation and up to 99% in eco-mode. Power consumption remains low at 101 W, contributing to reduced operational costs.
Communication and Monitoring
Integrated USB, RS-232, and SNMP interfaces enable advanced monitoring and network management. The UPS is suitable for remote supervision and supports automated shutdown functions for connected systems.
Physical Design
Housed in a compact 2U rack-mounted chassis, the UPS measures 88 mm in height, 440 mm in width, and 700 mm in depth. With a weight of 16.2 kg, it is optimized for data center and rack installations.
Environmental Operating Conditions
The system operates reliably within a temperature range of 0–40 °C and can be stored between -10–50 °C. Sound output is limited to 45 dB, supporting quieter operational environments.
Connectivity and Installation
The UPS features a fixed input and output connection with one fixed output terminal. It does not include socket outlets, making it suitable for hardwired professional installations requiring secure and permanent connections.
Protection and Safety
Rated at IP20, the Keor DK is designed for indoor use. It includes potential-free switch contacts, terminal marking indication, and automatic shutdown functionality to support safe and controlled power management.
The Legrand Keor DK is a high-performance online uninterruptible power supply designed for environments where electrical stability is critical. Built on double conversion on-line technology with high-frequency PWM, it delivers consistent, clean power while maintaining a compact 2U rack format. This model operates without internal batteries and is intended for use with external battery cabinets, allowing flexible runtime configuration.
Key Features of Legrand 311352 KEOR DK Charger UPS
Double conversion on-line UPS with PF 1
Rated capacities of 5000, 6000, and 10000 VA
External battery cabinet compatibility
High overall efficiency up to 96% (99% in eco-mode)
Compact 2U rack-mount design
Integrated USB, RS-232, and SNMP communication interfaces
Power Architecture
The Keor DK uses double conversion on-line technology to continuously regenerate output power, isolating connected equipment from voltage fluctuations, frequency variations, and electrical disturbances. With an output power factor of 1, it ensures full utilization of available power.
Input and Output Performance
Designed for single-phase applications, the UPS supports an input voltage range of 176–280 V and operates across a wide frequency window of 45–65 Hz. Output voltage is regulated between 200–240 V with minimal distortion, delivering stable AC power at 50–60 Hz.
Efficiency and Energy Management
With an overall efficiency of 96% and up to 99% efficiency in eco-mode, the Keor DK minimizes energy losses and reduces operational overhead. Low power consumption during operation supports energy-conscious installations without compromising performance.
Battery Configuration Flexibility
This model does not include internal batteries, enabling direct connection to one or more external battery cabinets with valve-regulated, hermetically sealed accumulator batteries. This approach allows scalable autonomy based on application requirements.
Communication and Monitoring
Integrated USB, RS-232, and SNMP interfaces enable seamless monitoring and integration into network management systems. Potential-free switch contacts and automatic shutdown functionality support controlled system management during power events.
Physical Design
Housed in a compact 2U chassis, the Keor DK measures 88 mm in height, 440 mm in width, and 700 mm in depth, with a total weight of 18.2 kg. The rack-optimized form factor makes it suitable for space-constrained data and IT environments.
Operational Environment
The UPS is designed for reliable operation within a temperature range of 0–40 °C and storage conditions between –10–50 °C. With a sound level of just 45 dB and IP20 protection, it is well-suited for controlled indoor installations.
