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Master HP UL


Power Range: 65 - 250 kVA

Top performances and protection.

The incredible levels of quality, reliability and energy savings offered by the Master HP range of UPS have been extended to include a 480 Vac - 60 Hz version, certified as UL, with power ratings from 65 to 250 kVA. IT department managers, facility managers and CTOs are under increasing pressure to achieve zero downtime and to size data centre or industrial installations to be flexible in the face of continuous changes and expansion. As the search for the most reliable and efficient power supply system becomes ever-increasingly critical, Riello UPS has been continuously investing in power solutions to meet the demands of a range of our clients; a commitment that resulted in the Master HP UL range. More than just an innovative and technologically-advanced UPS, it is a leap into the future of three-phase technology. Thanks to its double conversion on-line technology based entirely on IGBT and digital signal processors (DSP), the Master HP UL range ensures maximum power supply protection and quality for any type of load, IT or industrial, in particular for mission critical applications, with VFI SS 111 classification (Voltage and Frequency Independent) in accordance with IEC EN 62040-3. This range was designed using a new configuration that includes an IGBT sinusoidal input rectifier instead of the conventional thyristor system. Differently from other UPS technologies available on the market, double conversion technology with galvanic isolated output guarantees a quality power supply that is completely protected from all electrical anomalies at the input. Even in the event of serious power supply problems, the output power remains stable.

Технические характеристики

Zero impact source
Master HP UL features the added advantages of the Zero Impact Source formula offered by an IGBT-based rectifier assembly. This eliminates problems connected with installation in networks with limited power capacity, where the UPS is supplied by a generator set or in any case anywhere there are compatibility problems with loads that generate current harmonics. Master HP UL has zero impact on the power supply source, whether it is a mains grid or generator set:

  • input current distortion < 3%
  • input power factor 0.99
  • power walk-in function that ensures progressive rectifier start up
  • start-up delay function, to restart the rectifiers when mains power is restored if there are several UPS in the system.

Master HP UL also performs the role of a filter and power factor corrector, protecting the upstream power supply from any harmonics and reactive power generated by the consumers.

Battery Care System: maximum battery care
Master HP UL uses the Battery Care System, which optimises battery performance in order to extend the battery life for as long as possible.

The output isolation transformer ensures the galvanic isolation of the load towards the battery and improved versatility in system configuration: it allows for two truly separate network inputs (main and emergency), coming from two different power sources; this is particularly suited to parallel systems in order to ensure selectivity between the two sources, thus improving the reliability of the entire installation.

Техническая спецификация

Models MHT UL 65
Voltage 480 Vac three-phase + N Vac
Frequency 45 ÷ 65 Hz
Frequency tolerance +/- 2% (selectable from +/- 1% to +/- 5% from front panel)
Power factor > 0,99
Current distorsion <3% THDi
Soft start 0 ÷ 100% in 30" (selectable)
Rated power 65000 VA
Active power 58500 W
Number phases 3 + N
Crest factor (Ipeak/Irms) 3:1 Ipeack/Irms
Waveform Sinusoidal
Static stability +/- 1%
Dynamic stability from +/- 5% to +/- 1% in 20 ms
Frequency 60 Hz
Frequency stability 0,05%
Ripple Zero
100% < Load < 110% 60'
100% < Load < 120% 10'
Load = 150% 1'
Type VRLA AGM; GEL; NiCd; Li-ion; Supercaps e Flyweel
Color Dark grey RAL 7016
Remote controls ESD e bypass (configurable)
Communication Double RS232 + dry contacts + 2 slots for communication interfaces
Protection rating IP20 (others on request)
Marks UL
Other compliances UL Standard 1778: II edition from 65 to 125 kVA, IV edition from 160 to 250 kVA; National Electrical Code (NFPA-70); NEMA PE-1; CUL - CSA C22.2; ASME; ASA-C-39.1-1984; FCC part 15 subpart J class A; NEC; OSHA; IEEE 587; ANSI C 62.41-1980; ISO 9000
Line-Interactive/Smart Active efficiency up to 98.5%
Noise 65 dBA
Remote signals dry contact (configurable)
Operating temperature 0 °C / + 40 °C
Relative humidity <95% non-condensing
Transfer typology transpallet
Weight 1213 lbs [550] Kg
Dimensions (h w d) 1900 x 800 x 850 mm