Delta UPS – Ultron Family NT Series, Three Phase 20 – 500 kVA

Ultron NT seriesDelta UPS – Ultron Family  NT Series, Three Phase 20 – 500 kVA

The Ultron NT series is a three phase UPS featuring customized I/P-O/P ratings for various applications. With N+X parallel redundancy or expansion, it guarantees high availability and reliability for your critical loads.

The Ultron NT series offers continued seamless protection for your business even under 100% unbalanced loading conditions. Its economy mode improves efficiency and saves operating cost.


  • Available from 20 to 4,000 kVA (8 x 500 kVA in parallel)
  • Parallel redundancy without requiring extra hardware to increase reliability
  • Built-in isolation transformer protects user equipment
  • Optional harmonic filter and 12-pulse rectifier
  • Redundant auxiliary power and control circuit ensures higher reliability
  • Inbuilt maintenance and static bypass switch
  • Multi-language LCD display and LED status indicators
  • RS232, RS485 and six programmable dry contact outputs
  • Compatible with generator installation and unbalanced loads
  • Parallel expansion as your business grows and consequently saves initial investment
  • Wide input voltage range extends battery lifetime
• Economy mode saves energy and operating cost
  • Common battery installation saves initial investment


Applicable Sectors:

Data Center, Telecom, Industrial , Network, Security, Lab, Medical, Metro


Why Delta UPS?

The Delta Group’s operations are global in scale with 38 manufacturing facilities in Taiwan, China, Thailand, India, Mexico, Brazil and Slovakia. Delta also has 61 R&D centers across the globe and 153 sales offices on all 5 continents.

Pursuing the highest quality and reliability of Delta products has been the primary target since Day 1.

All of the factories have received ISO 9001 and ISO 14001 international certificates which verify that our production conforms to the corresponding quality standards and evaluation.

“Do things right the first time” is the belief that Delta insists upon and continues to provide the best quality control in terms of product development and manufacturing with our primary goal of satisfying our customers.

Delta’s outstanding product design capability comes from the R&D team and its various precision measurement instruments.

The R&D centers utilise diverse advanced equipment and programs including CAD to facilitate circuit simulation, mechanical design, and PCB layout.

Delta has nine well-equipped laboratories to conduct environment-related substance analysis, precision measurement, failure analysis, soldering techniques, electromagnetic compatibility and interference tests, material chemical analysis, quality engineering, safety tests, and more.

In addition, we also have laboratories with controlled temperature and humidity to perform with numerous reliability tests including ORT (Ongoing reliability test) EMC / EMI (electromagnetic compatibility & interference), Acoustic test and the Pulse lightening discharge test.

In a nutshell:


  • Delta’s large-scale production follows comprehensive quality management to do things right the first time and deliver the best quality
  • All manufacturing sites are certified with ISO 9001 and ISO 14001 and conform to the highest quality control in terms of product development and production to achieve customer satisfaction.
  • With six laboratories accredited by the China National Accreditation Service for Conformity Assessment (CNAS) all of our products go through the tightest checks.



  • Wide input voltage range reduces the chance of battery use and extends battery life
  • High input power factor increases utilization of utilities and reduces total cost
  • High output power factor provides more real power to critical loads
  • Higher efficiency lowers operating costs
  • Lower harmonic distortion saves on upstream investment
  • Compact design saves more space for critical equipment



  • 2-year warranty
  • Service line is available through the RT Systems 24/7 call centre to answer your questions
  • Customer-needs-oriented, available with comprehensive and professional service and technical support