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Digital Energy LP33U UPS 50-60 kVA

Digital Energy LP33U UPS 50-60 kVA

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On-line Double Conversion, Intelligent and Heavy-duty, 3-Phase, 50-60kVA UPS

The Digital Energy LP33U Series is a robust, high performance UPS system that provides power protection for a wide range of mission critical applications. Every LP33U Series unit operates in a double conversion mode with true on-line VFI (voltage and frequency independent) operation, yielding maximum levels of power protection even under the toughest conditions. In addition, the LP33U UPS is a transformerless, high-efficiency design with low THD (total harmonic distortion), which takes up less space and is easy to install and service, especially in an office environment. The robust design makes it suitable for traditional industrial applications as well.

To achieve redundancy or to increase power capacity, GEs unique Redundant Parallel Architecture (RPA) technology enables the LP33U Series to parallel up to four (4) units in a flexible and cost-effective manner. In the RPA system, every UPS is controlled in a true peer-to-peer configuration, with redundancy in all critical elements and functions. This advanced technology provides the highest possible system reliability for mission critical applications, eliminating any single points of failure associated with other types of UPS systems. The RPA system precisely synchronizes the output phase and automatically shares the load supported by each of the UPS.

Every GE UPS system is fully supported by GEs Global Services team, providing world-class, 24x7 preventive and corrective services, training and application expertise.

Features and Benefits
  • Transformerless design for smaller footprint, less weight and better efficiency.
  • High input power factor(>.98) and low input THD distortion(<8%) provided by a hybrid IGBT rectifier, prevents disturbances to other electrical equipment, eliminating the need for costly filters or oversized feeders.
  • Compact footprint, front service access, easily transportable, robustly designed system with low audible noise, suitable for both office and industrial environments.
  • Utilizes high-frequency PWM (Pulse Width Modulation) IGBT digital control technique, resulting in extremely low output distortion and fast transient response, eliminating the need to oversize the UPS.
  • Redundant Parallel Architecture(RPA) increases system reliability by eliminating single points of failure.
  • Intelligent Energy Managementin RPAConfiguration and ECO-mode for single module configuration enables automatic energy savings.
  • Fully compliant with standards (UL, cUL, UL1778, CE, IEC 62040, ISO 9001).
  • Very wide AC-input voltage and frequency capability minimizes the need to switch to batteries, resulting in increased battery life.
  • Superior Battery Management (SBM) enhances battery life and reduces cost of operation.
  • Transformerless design ensures smaller footprint and less weight than transformer technology UPS modules.
  • Overload capability @ 125% load on inverter = 10mins. and 150%= 1min.
  • Overload capability @ 200% load on bypass = 2mins.
  • Output voltage THD @ 100% non-linear load on inverter = <3%
  • Output voltage THD @ 100% linear load = <2%


  • Product Scope
  • 3-phase in/out, 50-60 kVA (parallel up to 4 units using RPA™), 54-66Hz input frequency, 208 volts
  • Service Offerings
  • GE Power Quality is a global leader in innovative technology, service and support to the power quality industry
  • 75 Factory-Direct Power Quality field service engineers
  • Over 150 Factory Authorized Service Centers throughout North America and International
  • Remote Monitoring and Diagnostics
  • Project Management
  • Retrofit, upgrades, and preventative maintenance
  • Toll-Free 7x24x365 Service Call Center @ 1-800-637-1738 (option # 3)
  • For replacement parts, call 1-800-637-1738, or eMail gezc.parts@ge.com
  • For extended warranty and full-coverage service contracts, call 1-800-637-1738 or email gsquote@ge.com