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High-performance 20 kVA on-line double-conversion three-phase UPS designed to deliver continuous, clean power protection for enterprise servers, data centres, and industrial equipment.
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The Riello SMT 20 kVA (Multi Sentry / Sentryum) is a top-tier transformer-free on-line double conversion UPS (VFI-SS-111 standard) built to safeguard mission-critical IT infrastructure, network centres, and sensitive industrial automation.
Engineered with DSP (Digital Signal Processor) microprocessor control and IGBT rectifier technology, it achieves up to 96.5% operating efficiency in online mode and up to 99% in Smart Active mode, drastically reducing power loss and operating overheads. Its compact floor footprint, wide input tolerance, and advanced battery care management ensure maximum uptime and equipment longevity.
DSP Control: Advanced digital microprocessor control for real-time monitoring and high operational efficiency.
Intelligent Battery Care: Prolongs battery lifespan using temperature-compensated charging and automated testing cycles.
Integrated Static & Manual Bypass: Allows safe servicing and maintenance without disrupting the load.
Energy Saving: Over 98% efficiency in Smart Active / Eco operating modes.
High-performance 30kVA / 24kW true online double-conversion 3-phase UPS with internal battery and digital signal processing (DSP) control.
| Rated Capacity |
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| 20,000 VA / 18,000 W (0.9 PF / Unity PF option) |
| Technology | On-Line Double Conversion (VFI-SS-111) |
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| Input Voltage | 380 / 400 / 415 V AC 3-Phase + Neutral |
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| Input Frequency | 40 – 72 Hz |
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| Output Voltage | 380 / 400 / 415 V AC 3-Phase (or 230 V single-phase selectable) |
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| Output Frequency | 50 / 60 Hz selectable (±0.1% on battery) |
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| Efficiency | Up to 96.5% (Normal mode) / >98% (Smart Active mode) |
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| Output Waveform | Pure Sinewave (THDv <1% linear load) |
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| Battery Type | Sealed Lead Acid (VRLA AGM / GEL) |
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| Recharge Time | Approximately 6 hours |
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| Interface Ports | USB, RS232, SNMP slot, Volt-free contacts, EPO |
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High-performance 40kVA / 32kW true online double-conversion 3-phase UPS with internal battery and digital signal processing (DSP) control.
High-performance 60kVA / 48kW true online double-conversion 3-phase UPS (without internal battery) with digital signal processing (DSP) control.
