VI911 Series 1-3kVA
The VI911 Series 1–3kVA Online Rack UPS is a high-performance power backup solution designed to deliver continuous, clean, and reliable power for critical applications. Built with advanced DSP technology and true online double conversion architecture, it ensures zero transfer time and complete protection against power disturbances.
Engineered with IGBT rectifier and inverter technology, this UPS offers superior efficiency and stable output with a unity power factor (PF = 1), making it capable of handling modern IT and sensitive equipment with ease.
With a wide input voltage range (110–300 VAC) and active input power factor ≥0.99, the VI911 series performs efficiently even in unstable power conditions. Its 3-level topology design enhances overall performance while achieving up to 96% efficiency in normal mode and up to 98% in ECO mode, reducing energy consumption.
Compact Rack-Mount UPS for Reliable IT Power Protection
The RAPSTECH VI911 Series 1–3kVA Rack UPS is a compact, high-efficiency online double conversion UPS designed to provide continuous, premium-quality power for critical IT equipment and sensitive electronic systems. Its space-saving 2U rack-mount design makes it an ideal solution for server racks, network cabinets, telecom equipment, and edge computing environments.
Built with advanced DSP digital control and a unity output power factor, the VI911 Series delivers stable voltage, pure sine wave output, and zero transfer time during utility failures. High operating efficiency, intelligent battery charging, and comprehensive protection ensure dependable performance while reducing energy consumption and maintenance costs.
Perfect for small server rooms, networking infrastructure, telecom systems, healthcare equipment, banking applications, security systems, educational institutions, and enterprise IT environments, the VI911 Series delivers reliable power protection in a compact rack-mounted solution.
Key Features
- True Online Double Conversion – Provides uninterrupted, clean power with zero transfer time during utility disturbances.
- Compact 2U Rack Design – Saves valuable rack space while simplifying installation in standard 19-inch cabinets.
- Unity Output Power Factor (PF = 1.0) – Delivers maximum usable output power for connected equipment.
- Advanced DSP Digital Control – Ensures precise voltage regulation, fast response, and reliable system operation.
- Wide Input Voltage Range – Maintains stable operation even under fluctuating utility conditions while minimizing battery usage.
- High Efficiency Operation – Achieves up to 96% efficiency in Online Mode and up to 98% in ECO Mode.
- Intelligent Battery Charging – Adjustable charging current up to 12A with optimized battery management for extended battery life.
- Fast Dynamic Response – Excellent load regulation with rapid recovery during sudden load changes.
- Low Harmonic Distortion – Pure sine wave output protects sensitive IT and networking equipment.
- User-Friendly LCD Display – Real-time monitoring of UPS status, battery level, load, input/output voltage, runtime, and alarms.
- Comprehensive Communication – Standard EPO & RS232 with optional SNMP, RS485, USB, and AS400 support.
- Quiet Operation – Low acoustic noise for office, server room, and commercial environments.
Technical Specifications
| Power Capacity | 1–3kVA / 1–3kW Rack UPS |
|---|---|
| UPS Technology | True Online Double Conversion |
| Input Configuration | Single Phase Input / Single Phase Output |
| Installation | 19-inch Rack Mount (2U) |
| Input Voltage Range | 110VAC – 300VAC (Power Derating Applicable) |
| Input Power Factor | ≥0.99 |
| Input Frequency | 50/60Hz (Adjustable) |
| Output Voltage | 220 / 230 / 240VAC |
| Output Power Factor | Unity (PF = 1.0) |
| Output Harmonic Distortion | ≤2% (Linear Load), ≤5% (Non-Linear Load) |
| Transfer Time | 0ms (Utility to Battery), 4ms (Inverter to Bypass) |
| Efficiency | Up to 96% Online, Up to 98% ECO Mode |
| Battery Configuration | 36VDC (1kVA), 72VDC (2kVA & 3kVA) |
| Charging Current | Adjustable 1–12A |
| Display | LCD with UPS Status, Load, Battery, Runtime & Fault Monitoring |
| Communication | Standard EPO & RS232, Optional SNMP, USB, RS485 & AS400 |
| Operating Noise | <47dB (1kVA), <55dB (2kVA & 3kVA) |
Comprehensive Support & Services
RAPSTECH provides end-to-end technical support to ensure the VI911 Series operates at maximum efficiency throughout its service life. From installation and commissioning to preventive maintenance and remote diagnostics, our certified engineers are committed to delivering dependable after-sales support.
- ✔ Professional installation and commissioning services.
- ✔ Preventive Maintenance (AMC) plans.
- ✔ On-site diagnostics and technical support.
- ✔ Genuine spare parts and battery replacement assistance.
- ✔ SNMP configuration and remote monitoring support.
- ✔ Product documentation, firmware updates, and technical guidance.
- ✔ Nationwide service support from RAPSTECH certified engineers.
⚡ Key Specifications
Core technical features at a glance
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