Uninterruptible Power Supply QOLTEC 53949 3-phase 15 kVA 12 kW with LCD

The Uninterruptible Power Supply QOLTEC 53949 3-phase 15 kVA 12 kW with LCD is a three-phase UPS designed to deliver continuous power to critical equipment. It provides 15 kVA apparent power and 12 kW active power, and includes an LCD for real-time status, fault notifications and configuration. The unit is intended to protect devices from mains disturbances such as voltage sags, surges and complete mains outages, allowing orderly shutdowns or continuous operation depending on configuration.

Advantages

This three-phase UPS combines high output capacity with an integrated LCD interface for easy monitoring and configuration. It offers reliable voltage regulation and short transfer times to battery operation, reducing the risk of data loss or equipment damage. The design supports continuous power delivery in industrial and IT environments with features tailored for availability and manageable maintenance.

Suitable for

• Small data centers and server rooms requiring protected three-phase power
• Network cabinets and telecom racks with critical networking equipment
• Industrial control systems and automation equipment sensitive to power interruptions
• Backup power for workstations and clustered systems needing coordinated shutdown

Key specifications

• Output topology: three-phase
• Apparent power (VA): 15 kVA
• Active output power (W): 12 kW
• User interface: LCD display for status and configuration
• Typical applications: IT racks, telecom, industrial control
• Protection features: voltage regulation, surge protection, battery-backed transfer

How to use

Install the UPS on a level surface or in a compatible rack space according to the manufacturer’s mounting instructions. Connect the three-phase input and output wiring following electrical codes and the unit’s wiring diagram. Configure basic settings and view status through the LCD; set output thresholds and behaviour for mains failure and battery runtime if available. Test the UPS and connected loads after installation to verify correct transfer to battery and return to mains, and ensure that all loads are within the 12 kW active power limit.

Usage recommendations

Regularly inspect battery condition and perform preventive maintenance as advised by the manufacturer. Keep ventilation clear around the unit, avoid exposing the UPS to excessive humidity or dust, and use qualified personnel for installation and service to ensure safe operation and longevity.