The Riello Sentinel Dual 2 (SD2) and Sentinel Dual Low Power (SDH) ranges provide high-density, online double-conversion power protection for critical IT infrastructure, blade servers, and storage systems. Featuring a versatile 2U rack/tower convertible design, these units include a 90° rotating LCD display to suit any installation environment. With a power factor of 1 on newer SD2 models (and 0.9 on SDH), they deliver maximum active power to your loads while maintaining up to 98% efficiency in ECO mode. The range supports hot-swappable batteries and offers ER (Extended Runtime) versions with upgraded internal chargers for long-run battery configurations. Shop now for Expert Advice and Free Delivery
The Riello SD2 1000 Sentinel Dual2 is a versatile 1000VA uninterruptible power supply designed to deliver consistent and reliable power protection for critical equipment. Built for both tower and rack mount installation, it offers flexible deployment across a range of environments. With up to 7 minutes of autonomy at typical load, it ensures essential systems remain operational during power interruptions, helping to prevent downtime and protect sensitive hardware.
Built for demanding environments where uptime is critical, the Sentinel Dual2 (SD2) delivers consistent, high-quality power in a compact and highly adaptable form. Designed to support modern IT infrastructure and sensitive equipment, it combines advanced online double conversion technology with flexible installation options and intuitive management tools.
Key Features of Sentinel Dual2
Power factor 1 (kVA = kW) for maximum usable power
Flexible installation: 2U rackmount or freestanding tower
Handles non-linear loads, ideal for blade servers and IT systems
ONLINE double conversion technology for continuous power protection
High efficiency up to 93.7%
EnergyShare sockets for intelligent load management
Extended runtime models available (2200VA and 3000VA)
Rotating LCD display with real-time system monitoring
Bluetooth mobile app for quick configuration and control
Installation Flexibility
The Sentinel Dual2 is designed to adapt to a wide range of environments. It can be installed as a 2U rackmount unit within standard 19-inch cabinets or used as a freestanding tower with the included handles. The rotating LCD display panel adjusts to match the chosen orientation, ensuring clear visibility in any setup.
High-Quality Power Output
Using advanced ONLINE double conversion technology, the Sentinel Dual2 delivers a stable and uninterrupted power supply. It ensures consistent voltage and frequency output, protecting sensitive equipment from disturbances, surges, and fluctuations while maintaining a high efficiency of up to 93.7%.
Optimised for Modern IT Loads
Engineered to handle non-linear loads, the unit is well-suited for blade servers, VoIP systems, and network infrastructure. Its power factor of 1 allows full utilisation of available capacity, making it an efficient choice for high-density IT environments.
Advanced Monitoring & Control
The intuitive rotating LCD display provides real-time insights into UPS status, load levels, input/output voltage, and battery performance. An integrated LED status bar offers quick visual feedback, allowing users to assess system conditions at a glance.
Smart Connectivity & Configuration
System setup and management are simplified through an integrated Bluetooth mobile app. Users can configure settings, monitor performance, and manage the UPS directly from a smartphone or computer, reducing setup time and improving accessibility.
Extended Runtime Capability
For applications requiring longer backup durations, extended runtime (ER) models are available in 2200VA and 3000VA versions. These include enhanced battery chargers, enabling increased autonomy to support critical systems during prolonged outages.
Energy Efficiency & Load Management
EnergyShare sockets provide intelligent control over connected loads, allowing non-critical devices to be prioritised or disconnected to extend battery life. This helps maximise runtime for essential equipment while improving overall energy efficiency.
Reliable Protection for Critical Systems
Designed for continuous operation in demanding environments, the Sentinel Dual2 supports servers, storage systems, medical devices, emergency lighting, and industrial applications. Its compact design and high-density performance make it a practical solution for maintaining operational continuity.
The Riello SD2 1500 Sentinel Dual2 is a dependable 1500VA uninterruptible power supply designed to maintain stable power for critical systems in demanding environments. Supporting both tower and rack mount configurations, it offers flexible installation to suit a variety of setups. With up to 3 minutes of autonomy at typical load, it provides essential backup power during outages, helping to safeguard equipment and reduce the risk of disruption.
Built for demanding environments where uptime is critical, the Sentinel Dual2 (SD2) delivers consistent, high-quality power in a compact and highly adaptable form. Designed to support modern IT infrastructure and sensitive equipment, it combines advanced online double conversion technology with flexible installation options and intuitive management tools.
Key Features of Sentinel Dual2
Power factor 1 (kVA = kW) for maximum usable power
Flexible installation: 2U rackmount or freestanding tower
Handles non-linear loads, ideal for blade servers and IT systems
ONLINE double conversion technology for continuous power protection
High efficiency up to 93.7%
EnergyShare sockets for intelligent load management
Extended runtime models available (2200VA and 3000VA)
Rotating LCD display with real-time system monitoring
Bluetooth mobile app for quick configuration and control
Installation Flexibility
The Sentinel Dual2 is designed to adapt to a wide range of environments. It can be installed as a 2U rackmount unit within standard 19-inch cabinets or used as a freestanding tower with the included handles. The rotating LCD display panel adjusts to match the chosen orientation, ensuring clear visibility in any setup.
High-Quality Power Output
Using advanced ONLINE double conversion technology, the Sentinel Dual2 delivers a stable and uninterrupted power supply. It ensures consistent voltage and frequency output, protecting sensitive equipment from disturbances, surges, and fluctuations while maintaining a high efficiency of up to 93.7%.
Optimised for Modern IT Loads
Engineered to handle non-linear loads, the unit is well-suited for blade servers, VoIP systems, and network infrastructure. Its power factor of 1 allows full utilisation of available capacity, making it an efficient choice for high-density IT environments.
Advanced Monitoring & Control
The intuitive rotating LCD display provides real-time insights into UPS status, load levels, input/output voltage, and battery performance. An integrated LED status bar offers quick visual feedback, allowing users to assess system conditions at a glance.
Smart Connectivity & Configuration
System setup and management are simplified through an integrated Bluetooth mobile app. Users can configure settings, monitor performance, and manage the UPS directly from a smartphone or computer, reducing setup time and improving accessibility.
Extended Runtime Capability
For applications requiring longer backup durations, extended runtime (ER) models are available in 2200VA and 3000VA versions. These include enhanced battery chargers, enabling increased autonomy to support critical systems during prolonged outages.
Energy Efficiency & Load Management
EnergyShare sockets provide intelligent control over connected loads, allowing non-critical devices to be prioritised or disconnected to extend battery life. This helps maximise runtime for essential equipment while improving overall energy efficiency.
Reliable Protection for Critical Systems
Designed for continuous operation in demanding environments, the Sentinel Dual2 supports servers, storage systems, medical devices, emergency lighting, and industrial applications. Its compact design and high-density performance make it a practical solution for maintaining operational continuity.
The Riello SD2 2200 Sentinel Dual2 is a high-capacity 2200VA uninterruptible power supply engineered to provide reliable power protection for critical systems. Designed for both tower and rack mount installation, it offers flexible integration into a wide range of environments. With up to 8 minutes of autonomy at typical load, it delivers extended backup power during outages, helping to maintain continuity and protect sensitive equipment from disruption.
Built for demanding environments where uptime is critical, the Sentinel Dual2 (SD2) delivers consistent, high-quality power in a compact and highly adaptable form. Designed to support modern IT infrastructure and sensitive equipment, it combines advanced online double conversion technology with flexible installation options and intuitive management tools.
Key Features of Sentinel Dual2
Power factor 1 (kVA = kW) for maximum usable power
Flexible installation: 2U rackmount or freestanding tower
Handles non-linear loads, ideal for blade servers and IT systems
ONLINE double conversion technology for continuous power protection
High efficiency up to 93.7%
EnergyShare sockets for intelligent load management
Extended runtime models available (2200VA and 3000VA)
Rotating LCD display with real-time system monitoring
Bluetooth mobile app for quick configuration and control
Installation Flexibility
The Sentinel Dual2 is designed to adapt to a wide range of environments. It can be installed as a 2U rackmount unit within standard 19-inch cabinets or used as a freestanding tower with the included handles. The rotating LCD display panel adjusts to match the chosen orientation, ensuring clear visibility in any setup.
High-Quality Power Output
Using advanced ONLINE double conversion technology, the Sentinel Dual2 delivers a stable and uninterrupted power supply. It ensures consistent voltage and frequency output, protecting sensitive equipment from disturbances, surges, and fluctuations while maintaining a high efficiency of up to 93.7%.
Optimised for Modern IT Loads
Engineered to handle non-linear loads, the unit is well-suited for blade servers, VoIP systems, and network infrastructure. Its power factor of 1 allows full utilisation of available capacity, making it an efficient choice for high-density IT environments.
Advanced Monitoring & Control
The intuitive rotating LCD display provides real-time insights into UPS status, load levels, input/output voltage, and battery performance. An integrated LED status bar offers quick visual feedback, allowing users to assess system conditions at a glance.
Smart Connectivity & Configuration
System setup and management are simplified through an integrated Bluetooth mobile app. Users can configure settings, monitor performance, and manage the UPS directly from a smartphone or computer, reducing setup time and improving accessibility.
Extended Runtime Capability
For applications requiring longer backup durations, extended runtime (ER) models are available in 2200VA and 3000VA versions. These include enhanced battery chargers, enabling increased autonomy to support critical systems during prolonged outages.
Energy Efficiency & Load Management
EnergyShare sockets provide intelligent control over connected loads, allowing non-critical devices to be prioritised or disconnected to extend battery life. This helps maximise runtime for essential equipment while improving overall energy efficiency.
Reliable Protection for Critical Systems
Designed for continuous operation in demanding environments, the Sentinel Dual2 supports servers, storage systems, medical devices, emergency lighting, and industrial applications. Its compact design and high-density performance make it a practical solution for maintaining operational continuity.
The Riello SD2 2200 ER Sentinel Dual2 is a 2200VA uninterruptible power supply designed for applications requiring extended backup durations. Supporting both tower and rack mount installation, it offers flexible deployment across a variety of environments. Engineered for use with external battery packs, it provides scalable runtime capabilities, making it well-suited for maintaining power to critical systems during prolonged outages.
Built for demanding environments where uptime is critical, the Sentinel Dual2 (SD2) delivers consistent, high-quality power in a compact and highly adaptable form. Designed to support modern IT infrastructure and sensitive equipment, it combines advanced online double conversion technology with flexible installation options and intuitive management tools.
Key Features of Sentinel Dual2
Power factor 1 (kVA = kW) for maximum usable power
Flexible installation: 2U rackmount or freestanding tower
Handles non-linear loads, ideal for blade servers and IT systems
ONLINE double conversion technology for continuous power protection
High efficiency up to 93.7%
EnergyShare sockets for intelligent load management
Extended runtime models available (2200VA and 3000VA)
Rotating LCD display with real-time system monitoring
Bluetooth mobile app for quick configuration and control
Installation Flexibility
The Sentinel Dual2 is designed to adapt to a wide range of environments. It can be installed as a 2U rackmount unit within standard 19-inch cabinets or used as a freestanding tower with the included handles. The rotating LCD display panel adjusts to match the chosen orientation, ensuring clear visibility in any setup.
High-Quality Power Output
Using advanced ONLINE double conversion technology, the Sentinel Dual2 delivers a stable and uninterrupted power supply. It ensures consistent voltage and frequency output, protecting sensitive equipment from disturbances, surges, and fluctuations while maintaining a high efficiency of up to 93.7%.
Optimised for Modern IT Loads
Engineered to handle non-linear loads, the unit is well-suited for blade servers, VoIP systems, and network infrastructure. Its power factor of 1 allows full utilisation of available capacity, making it an efficient choice for high-density IT environments.
Advanced Monitoring & Control
The intuitive rotating LCD display provides real-time insights into UPS status, load levels, input/output voltage, and battery performance. An integrated LED status bar offers quick visual feedback, allowing users to assess system conditions at a glance.
Smart Connectivity & Configuration
System setup and management are simplified through an integrated Bluetooth mobile app. Users can configure settings, monitor performance, and manage the UPS directly from a smartphone or computer, reducing setup time and improving accessibility.
Extended Runtime Capability
For applications requiring longer backup durations, extended runtime (ER) models are available in 2200VA and 3000VA versions. These include enhanced battery chargers, enabling increased autonomy to support critical systems during prolonged outages.
Energy Efficiency & Load Management
EnergyShare sockets provide intelligent control over connected loads, allowing non-critical devices to be prioritised or disconnected to extend battery life. This helps maximise runtime for essential equipment while improving overall energy efficiency.
Reliable Protection for Critical Systems
Designed for continuous operation in demanding environments, the Sentinel Dual2 supports servers, storage systems, medical devices, emergency lighting, and industrial applications. Its compact design and high-density performance make it a practical solution for maintaining operational continuity.
The Riello SD2 3000 Sentinel Dual2 is a powerful 3000VA uninterruptible power supply built to provide reliable power protection for critical infrastructure. Designed for both tower and rack mount installation, it offers flexible deployment across a range of environments. With up to 4 minutes of autonomy at typical load, it ensures essential systems remain operational during power interruptions, helping to minimise downtime and protect sensitive equipment.
Built for demanding environments where uptime is critical, the Sentinel Dual2 (SD2) delivers consistent, high-quality power in a compact and highly adaptable form. Designed to support modern IT infrastructure and sensitive equipment, it combines advanced online double conversion technology with flexible installation options and intuitive management tools.
Key Features of Sentinel Dual2
Power factor 1 (kVA = kW) for maximum usable power
Flexible installation: 2U rackmount or freestanding tower
Handles non-linear loads, ideal for blade servers and IT systems
ONLINE double conversion technology for continuous power protection
High efficiency up to 93.7%
EnergyShare sockets for intelligent load management
Extended runtime models available (2200VA and 3000VA)
Rotating LCD display with real-time system monitoring
Bluetooth mobile app for quick configuration and control
Installation Flexibility
The Sentinel Dual2 is designed to adapt to a wide range of environments. It can be installed as a 2U rackmount unit within standard 19-inch cabinets or used as a freestanding tower with the included handles. The rotating LCD display panel adjusts to match the chosen orientation, ensuring clear visibility in any setup.
High-Quality Power Output
Using advanced ONLINE double conversion technology, the Sentinel Dual2 delivers a stable and uninterrupted power supply. It ensures consistent voltage and frequency output, protecting sensitive equipment from disturbances, surges, and fluctuations while maintaining a high efficiency of up to 93.7%.
Optimised for Modern IT Loads
Engineered to handle non-linear loads, the unit is well-suited for blade servers, VoIP systems, and network infrastructure. Its power factor of 1 allows full utilisation of available capacity, making it an efficient choice for high-density IT environments.
Advanced Monitoring & Control
The intuitive rotating LCD display provides real-time insights into UPS status, load levels, input/output voltage, and battery performance. An integrated LED status bar offers quick visual feedback, allowing users to assess system conditions at a glance.
Smart Connectivity & Configuration
System setup and management are simplified through an integrated Bluetooth mobile app. Users can configure settings, monitor performance, and manage the UPS directly from a smartphone or computer, reducing setup time and improving accessibility.
Extended Runtime Capability
For applications requiring longer backup durations, extended runtime (ER) models are available in 2200VA and 3000VA versions. These include enhanced battery chargers, enabling increased autonomy to support critical systems during prolonged outages.
Energy Efficiency & Load Management
EnergyShare sockets provide intelligent control over connected loads, allowing non-critical devices to be prioritised or disconnected to extend battery life. This helps maximise runtime for essential equipment while improving overall energy efficiency.
Reliable Protection for Critical Systems
Designed for continuous operation in demanding environments, the Sentinel Dual2 supports servers, storage systems, medical devices, emergency lighting, and industrial applications. Its compact design and high-density performance make it a practical solution for maintaining operational continuity.
The Riello SD2 3000 ER Sentinel Dual2 is a 3000VA uninterruptible power supply designed for applications that require extended backup power. Suitable for both tower and rack mount installation, it offers flexible integration across a variety of environments. Built to operate with external battery packs, it delivers scalable runtime capabilities, ensuring critical systems remain powered during longer outages.
Built for demanding environments where uptime is critical, the Sentinel Dual2 (SD2) delivers consistent, high-quality power in a compact and highly adaptable form. Designed to support modern IT infrastructure and sensitive equipment, it combines advanced online double conversion technology with flexible installation options and intuitive management tools.
Key Features of Sentinel Dual2
Power factor 1 (kVA = kW) for maximum usable power
Flexible installation: 2U rackmount or freestanding tower
Handles non-linear loads, ideal for blade servers and IT systems
ONLINE double conversion technology for continuous power protection
High efficiency up to 93.7%
EnergyShare sockets for intelligent load management
Extended runtime models available (2200VA and 3000VA)
Rotating LCD display with real-time system monitoring
Bluetooth mobile app for quick configuration and control
Installation Flexibility
The Sentinel Dual2 is designed to adapt to a wide range of environments. It can be installed as a 2U rackmount unit within standard 19-inch cabinets or used as a freestanding tower with the included handles. The rotating LCD display panel adjusts to match the chosen orientation, ensuring clear visibility in any setup.
High-Quality Power Output
Using advanced ONLINE double conversion technology, the Sentinel Dual2 delivers a stable and uninterrupted power supply. It ensures consistent voltage and frequency output, protecting sensitive equipment from disturbances, surges, and fluctuations while maintaining a high efficiency of up to 93.7%.
Optimised for Modern IT Loads
Engineered to handle non-linear loads, the unit is well-suited for blade servers, VoIP systems, and network infrastructure. Its power factor of 1 allows full utilisation of available capacity, making it an efficient choice for high-density IT environments.
Advanced Monitoring & Control
The intuitive rotating LCD display provides real-time insights into UPS status, load levels, input/output voltage, and battery performance. An integrated LED status bar offers quick visual feedback, allowing users to assess system conditions at a glance.
Smart Connectivity & Configuration
System setup and management are simplified through an integrated Bluetooth mobile app. Users can configure settings, monitor performance, and manage the UPS directly from a smartphone or computer, reducing setup time and improving accessibility.
Extended Runtime Capability
For applications requiring longer backup durations, extended runtime (ER) models are available in 2200VA and 3000VA versions. These include enhanced battery chargers, enabling increased autonomy to support critical systems during prolonged outages.
Energy Efficiency & Load Management
EnergyShare sockets provide intelligent control over connected loads, allowing non-critical devices to be prioritised or disconnected to extend battery life. This helps maximise runtime for essential equipment while improving overall energy efficiency.
Reliable Protection for Critical Systems
Designed for continuous operation in demanding environments, the Sentinel Dual2 supports servers, storage systems, medical devices, emergency lighting, and industrial applications. Its compact design and high-density performance make it a practical solution for maintaining operational continuity.
