Qoltec 53948 3-Phase Online Double Conversion UPS 10kVA 8kW with LCD

Data centers and industrial facilities requiring continuous, clean power for critical 3-phase equipment rely on the Qoltec 53948. This online double-conversion UPS delivers 10kVA/8kW of pure sine wave output, protecting servers, storage arrays, and network hardware from outages and fluctuations. Its LCD front panel provides real-time status, while RS232, USB, and an intelligent slot enable remote monitoring and management.

Key specifications

• Topology: Online double-conversion with zero transfer time
• Capacity: 10kVA / 8kW, 3-phase input and output
• Input voltage: 380/400/415V AC, range 304-478V
• Output voltage: 380/400/415V AC ±1% regulation
• Efficiency: up to 93% in AC mode
• Battery: external battery pack required (not included)
• Communication: RS232, USB, intelligent slot for SNMP/relay card
• Protection: overload, short circuit, over-temperature, battery low voltage, overcharge
• Noise level: <58 dB; operating temperature 0°C to 40°C
• Form factor: tower

Why choose it

This UPS ensures business continuity by isolating connected loads from all power anomalies. Its double-conversion design regenerates a perfect sine wave, making it ideal for sensitive electronics. The wide input voltage range reduces battery usage, extending battery life and lowering operating costs. With multiple communication ports, it integrates seamlessly into existing network management systems for proactive monitoring.

Ideal use cases

• Server rooms and small data centers needing 3-phase power protection
• Industrial automation and control systems
• Medical equipment requiring stable, clean power
• Telecommunications infrastructure
• Any environment where downtime is not an option

Good to know

The Qoltec 53948 requires an external battery pack to provide backup runtime; battery capacity determines autonomy. It is a tower unit, so plan adequate floor or shelf space. Installation should be performed by qualified personnel due to high voltage. Regular maintenance and battery replacement are recommended to ensure optimal performance.