The BR911 Series 1-3kVA Online Tower UPS is a compact, high-performance true online double conversion UPS engineered to deliver uninterrupted, 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.

✦ Key Features

• True Online Double Conversion – Continuous pure sine wave output for sensitive equipment.
• Unity Power Factor (PF = 1) – Maximizes usable power capacity.
• Up to 96% Efficiency (Normal Mode) – Reduces energy consumption and heat generation.
• 98% Efficiency in ECO Mode – Optimizes energy savings when conditions allow.
• 0ms Transfer Time – Seamless switching between mains, battery, and bypass.
• Wide Input Voltage Range (110–288 VAC) – Stable performance in unstable power conditions.
• Advanced DSP Technology – Intelligent control for superior performance.
• LCD + LED Display – Real-time UPS status, load, battery, and fault information.
• Low Noise Operation – <47 dB for 1-2kVA models, <55 dB for 3kVA models.
• Multiple Communication Options – RS232, RS485, SNMP, AS400, USB.

📊 Technical Specifications

🏢 Applications

The BR911 Series 1-3kVA Online UPS is ideal for a wide range of critical applications:

• IT Infrastructure: Servers, networking equipment, data centers, and storage systems.
• Healthcare: Medical devices, diagnostic equipment, and patient monitoring systems.
• Banking & Finance: ATMs, transaction systems, and banking terminals.
• Telecommunications: Communication equipment, PBX systems, and network switches.
• Education: Computer labs, smart classrooms, and library systems.
• Retail: POS systems, billing machines, and security systems.
• Industrial Control: Automation systems, PLCs, and control panels.

✅ Why Choose BR911 Series?

• Zero Transfer Time (0ms): Seamless switching between mains, battery, and bypass modes prevents any disruption to critical equipment.
• Unity Power Factor (PF = 1): Maximizes the usable power capacity of your UPS, delivering more power to connected loads.
• Wide Input Voltage Range: The UPS automatically adjusts to unstable input voltage (110–288 VAC), ensuring continuous operation even during brownouts.
• Intelligent Battery Management: Extended battery life through adaptive charging, temperature compensation, and automatic battery testing.
• High Efficiency (96% Normal / 98% ECO): Reduces electricity costs and heat generation, making it more environmentally friendly.
• Low Noise Operation: At less than 47 dB (1-2kVA models), the UPS operates quietly, making it suitable for office environments.

📡 Remote Management

The BR911 Series offers comprehensive management options for easy monitoring and control:

• Standard: EPO (Emergency Power Off), RS232
• Optional: SNMP Card for network monitoring, AS400 interface, USB, RS485

These communication options allow integration with your existing monitoring systems, enabling remote management, alerts, and notifications.

🛡️ Comprehensive Protection

The BR911 Series comes equipped with advanced protection features to safeguard both the UPS and connected equipment:

• Input Surge Protection – Guards against voltage spikes and surges.
• Output Short Circuit Protection – Prevents damage from short circuits.
• Overload Protection – Automatically protects against excessive loads.
• Battery Management – Intelligent charging to extend battery life.
• Temperature Protection – Prevents overheating.
• Reverse Polarity Protection – Prevents damage from incorrect battery connections.