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✦ Online UPS

BR911 Series 6-10kVA

High-performance Single Phase Tower UPS with unity power factor.

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BR911 Series 6-10kVA Single Phase Tower UPS
6-10kVA Power Rating
95% Efficiency
0ms Transfer Time
Home UPS Systems BR911 Series

BR911 Series 6-10kVA

Single Phase Tower UPS | True Online Double Conversion

The BR911 Series is a high-performance true online double conversion UPS designed to deliver reliable and uninterrupted power for critical applications. Built with advanced DSP technology and IGBT-based rectifier and inverter, it ensures stable output, high efficiency, and superior power quality.

With an output power factor of unity (PF = 1), the BR911 maximizes usable power capacity, making it ideal for IT infrastructure, offices, and sensitive electronic equipment. Its 3-level topology enhances efficiency up to 95% (98% in ECO mode) while maintaining low harmonic distortion.

The UPS supports a wide input voltage range (110–288 VAC), ensuring consistent performance even in unstable power conditions. It features zero transfer time (0ms) between mains, battery, and bypass modes, guaranteeing seamless operation without interruption.

True Online Double Conversion
Unity Power Factor (PF = 1)
Up to 95% Efficiency (98% ECO)
Wide Input Voltage (110–288 VAC)
Zero Transfer Time (0ms)
Advanced DSP Technology

Reliable Single-Phase Power Protection for Critical Applications

The BR911 Series 6–10kVA Online UPS is a high-performance true online double conversion UPS engineered to provide uninterrupted and premium-quality power for sensitive electronic equipment. Designed with advanced DSP digital control and unity output power factor, it delivers clean sine wave output while protecting connected devices against voltage fluctuations, surges, harmonics, frequency variations, and unexpected power failures.

Available in both internal battery (KB) and long backup external battery (KL) models, the BR911 Series offers installation flexibility for a wide range of applications. Its intelligent battery charging, ECO mode operation, and high operating efficiency help reduce energy consumption while maximizing battery life and system reliability.

Ideal for IT infrastructure, networking equipment, security systems, healthcare devices, banking, educational institutions, retail outlets, and industrial control systems, the BR911 Series ensures continuous operation, dependable protection, and simplified monitoring through its LCD display and multiple communication interfaces.

Key Features

  • True Online Double Conversion Technology – Provides continuous, clean, and regulated power with zero transfer time.
  • Unity Output Power Factor (PF = 1.0) – Delivers full usable power for connected equipment.
  • DSP Digital Control – Ensures accurate voltage regulation, faster response, and high operational reliability.
  • Wide Input Voltage Range (110–288 VAC) – Maintains stable operation even during severe voltage fluctuations.
  • High Input Power Factor (≥0.99) – Reduces utility losses and improves overall energy efficiency.
  • Pure Sine Wave Output – Safely powers sensitive electronics and critical equipment.
  • High Operating Efficiency – Up to 96% efficiency in Online Mode and up to 98% in ECO Mode.
  • Internal & External Battery Options – Choose compact internal battery models or long backup external battery configurations.
  • Intelligent Battery Charging – Optimizes charging performance and extends battery service life.
  • Comprehensive Protection – Protects against overload, short circuit, battery faults, voltage abnormalities, and power disturbances.
  • LCD Monitoring Display – Displays UPS status, load level, battery status, input/output voltage, and alarm notifications.
  • Advanced Communication – Standard RS232 & EPO with optional SNMP, USB, RS485, and AS400 for remote monitoring.

Technical Specifications

Power Capacity 6–10kVA / 6–10kW
UPS Technology True Online Double Conversion
Input / Output Single Phase Input / Single Phase Output
Output Power Factor Unity (PF = 1.0)
Input Power Factor ≥0.99
Input Voltage Range 110–288 VAC (Model Dependent with Power Derating)
Output Voltage 220 / 230 / 240 VAC
Output Frequency 50 / 60 Hz Auto Adaptation
Output THD ≤2% (Linear Load), ≤5% (Non-Linear Load)
Transfer Time 0ms (Mains to Battery), 4ms (Inverter to Bypass)
Efficiency Up to 95% Online, Up to 98% ECO Mode
Battery Options Internal Battery (KB) & External Battery (KL) Models
Communication RS232 & EPO Standard; Optional SNMP, USB, RS485 & AS400
Display LCD with UPS Status, Battery, Load & Alarm Information
Protection Overload, Short Circuit, Battery Protection, Voltage Regulation & Fault Monitoring

Comprehensive Support & Services

RAPSTECH provides complete lifecycle support to ensure your BR911 Series UPS delivers reliable performance throughout its operational life.

  • ✔ Professional installation and commissioning.
  • ✔ Preventive Maintenance (AMC) programs.
  • ✔ On-site diagnostics and technical support.
  • ✔ Genuine replacement batteries and spare parts.
  • ✔ Remote monitoring and troubleshooting assistance.
  • ✔ Product documentation, firmware guidance, and user manuals.
  • ✔ Nationwide support from RAPSTECH certified service engineers.

⚡ Key Specifications

Core technical features at a glance

6-10 kVA Power Rating 6kVA/6kW to 10kVA/10kW
📈 95% High Efficiency Up to 98% in ECO mode
⏱️ 0 ms Zero Transfer Time Seamless switching between modes
💪 1.0 PF Unity Power Factor Maximizes usable power capacity
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