Riello UPS NextEnergy NXE Online UPS (250 - 800 kVA)

The Riello NextEnergy NXE is a three-phase online uninterruptible power supply series rated from 250 to 800 kVA, designed for critical infrastructure protection. Utilizing transformer-free double conversion technology, it delivers up to 97% efficiency with unity power factor. Procure.ae supplies these units across the UAE and wider MEA region.

This series features an integrated IGBT three-level design achieving up to 97% AC/AC efficiency in double conversion mode. It supports overload capacities ranging from 11x to 15x for ten milliseconds, with sustained operation at 110% load for sixty minutes. Noise levels vary between 63 and 68 dBA depending on the model size.

The units offer flexible input frequency tolerance of ±2% selectable up to ±5%, supporting both 50 Hz and 60 Hz rated frequencies. They accept bypass voltages of 380, 400, or 415 V three-phase plus neutral. Installation allows full front access with back-to-back configuration options for space efficiency.

Type

Online UPS (Three-Phase)

Key features

High Efficiency

Achieves up to 97% AC/AC efficiency in online mode using transformer-free double conversion technology.

Power Flexibility

Provides unity power factor where kW equals kVA, with selectable voltage tolerance from ±5% to ±25%.

Overload Capacity

Handles short-term overloads from 11x to 15x for ten milliseconds and sustained overload at 110% for sixty minutes.

Battery Support

Compatible with VRLA AGM, GEL, NiCd, Supercaps, Li-ion, and Flywheel battery types for extended backup options.

Connectivity Options

Includes USB ports, dry contacts, and two slots for additional interface cards to integrate with monitoring systems.

Installation Design

Features full front access and supports back-to-back installation to optimize floor space in technical rooms.

Specifications

General
Model	NextEnergy NXE
Type	Online UPS (Three-Phase)

Display
Display Type	Colour LCD Touch Screen

Audio
Output Waveform	Sinewave
Power Output	kW = kVA (pf 1) up to 40°C
THD	<3% current distortion; <1% voltage with linear load

Connectivity
Connectivity	USB, dry contacts, 2 slots for communications interface
Frequency Band	40 - 70 Hz input; 50 or 60 Hz output
Input Voltage	380 / 400 / 415 V three-phase
Output Voltage	380 / 400 / 415 V three-phase + N (selectable)

Power
Power Capacity (VA)	250 - 800 kVA

Physical
Color	Dark grey RAL 7016
Operating Humidity	5-95% non-condensing
Operating Temperature	0 °C - +40 °C

Compliance
IP Rating	IP20

Additional specifications
Part numbers in this range	NXE 250, NXE 300, NXE 400, NXE 500, NXE 600, NXE 800

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This sheet is compiled from the product data held on procure.ae. For fully accurate and up-to-date figures, always refer to the manufacturer’s own specification sheet or datasheet for this model.

Specifications are provided by the manufacturer and may change without notice.

Pricing is quote-based. Contact Procure for current pricing and availability.

Delivery across the UAE and beyond, installation on request and manufacturer-backed warranty.