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Riello Sentinel Rack Power Range: 1.5 – 3 kVA
The Riello Sentinel Rack UPS Series delivers robust, double-conversion online protection in a compact, 2U rack-mounted design. Available in 1.5 kVA and 3 kVA models, these units are purpose-built to protect servers, storage systems, VoIP equipment, routers, switches, and other sensitive IT and telecom infrastructure from power interruptions, fluctuations, and surges.
With advanced battery management, high output power factor (0.9), and smart energy-saving modes, the Sentinel Rack series ensures maximum uptime, extended battery life, and clean sine wave output — all within a low-profile form factor ideal for high-density rack environments.
Description
🔋 Key Features
✅ Online Double Conversion Technology
Provides continuous, regulated, and clean power by converting AC to DC and back to AC — ensuring zero transfer time during outages.
✅ Compact 2U Rack-Mount Design
Space-saving 19” rack form factor, perfect for crowded data cabinets and server rooms where vertical space is at a premium.
✅ High Output Power Factor (0.9)
Supports more connected load compared to conventional UPS systems, enabling full utilization of available power.
✅ Intelligent Battery Management
Optimizes battery performance, prevents deep discharges, and extends service life with temperature-compensated charging.
✅ Energy-Efficient Operating Modes
Eco and Smart Active modes maximize energy savings while maintaining protection.
✅ Hot-Swappable Batteries
Field-replaceable batteries allow maintenance without powering down the connected load — ideal for high-availability environments.
✅ Multi-Communication Interfaces
Includes USB, RS232, and expansion slots for SNMP, relay cards, or Modbus for remote management and integration into network systems.
📊 Technical Comparison
Model | Capacity | Output Power Factor | Runtime @ Full Load | Battery Type | Mounting |
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Sentinel Rack 1500VA | 1500VA / 1350W | 0.9 | ~8–12 min | Internal, expandable | 2U Rack-mount |
Sentinel Rack 3000VA | 3000VA / 2700W | 0.9 | ~6–10 min | Internal, expandable | 2U Rack-mount |
Runtime may vary depending on load and battery age. External battery packs available for extended backup.
🆚 Sentinel Rack vs Other Rack-Mount UPS Systems
Feature / Model | Riello Sentinel Rack | APC Smart-UPS RT | Eaton 9PX Rack |
---|---|---|---|
Technology | Online Double Conversion | Online Double Conversion | Online Double Conversion |
Rack Height | 2U | 2U – 3U | 2U |
Output Power Factor | 0.9 | 0.8 – 0.9 | 0.9 |
Hot-Swappable Batteries | Yes | Yes | Yes |
LCD Display | Yes | Yes | Yes |
Communication Ports | USB, RS232, SNMP Slot | SmartSlot, USB | USB, RS232, SNMP |
Best Use Case | Data closets, racks | Enterprise IT, server rooms | Networking & server rooms |
🖥️ Ideal For
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🏢 Rack-based Server Infrastructure
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🛡️ Enterprise Network Hardware
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☁️ Cloud Hosting Environments
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📞 Telecom Base Stations
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📡 Internet Service Providers
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📶 Edge Computing Equipment
✅ Why Choose the Sentinel Rack UPS?
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✔️ High Performance in Minimal Space
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✔️ Hot-swappable battery architecture for non-stop uptime
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✔️ Optimized for rack environments – saves space and improves airflow
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✔️ Real-time LCD diagnostics and remote monitoring
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✔️ Expandable runtime with optional battery modules
🛒 How to Buy
📞 Call / WhatsApp: +254 707 122 122 / +254 708 122 122
📧 Email: info@stemaengineering.com
🌐 Shop Online: www.shopstemaengineering.com
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