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Riello MHE 250 Master HP 250kVA 400V Online UPS

Available to Order

SKU:
MHE250
MPN:
MHE 250
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The Master HE three-phase UPS series (100-800 kVA) offer unparalleled efficiency and power continuity, available from UPSBuyer. These units feature double-conversion technology, delivering maximum protection and power quality for critical applications. The series is Smart Grid-ready, allowing for energy storage solutions and enhanced efficiency, with a power factor of 1 and best-in-class efficiency up to 95.5% in online mode. Hot System Expansion (HSE) allows seamless integration of new units, while comprehensive galvanic isolation and zero-impact technology ensure robust, reliable performance across diverse applications.
Standard Delivery  (1 - 7 Days)

The Master HE three-phase UPS series (100-800 kVA) offer unparalleled efficiency and power continuity, available from UPSBuyer. These units feature double-conversion technology, delivering maximum protection and power quality for critical applications. The series is Smart Grid-ready, allowing for energy storage solutions and enhanced efficiency, with a power factor of 1 and best-in-class efficiency up to 95.5% in online mode. Hot System Expansion (HSE) allows seamless integration of new units, while comprehensive galvanic isolation and zero-impact technology ensure robust, reliable performance across diverse applications.

Features & Benefits

  • Ample Power: Provides 250kVA / 250kW at a unity power factor, supporting extensive energy needs.
  • High Efficiency: Operates with up to 95.5% efficiency in Online mode, optimising energy use and reducing costs.
  • Zero Impact Source: IGBT rectifier reduces input current distortion, ensuring minimal impact on the mains supply.
  • Battery Care System: Prolong battery life through various recharging methods, deep discharge protection, and temperature-based voltage compensation.
  • Galvanic Isolation: Includes an output transformer for separation between the load and battery, safeguarding sensitive applications.
  • Parallel Configurations: Supports up to 8 units, offering redundancy and scalability.

MHE 250 Specifications
INPUT
Voltage 380 / 400 / 415 V 3-phase
Voltage tolerance 400 ±20% @ full load
Frequency tolerance 45 - 65 Hz
Power factor >0.99
Soft start 0 - 100% in 120 sec. (selectable)
Total harmonic distortion (THDi) <3%
BY PASS
Rated voltage 380 / 400 / 415 3-phase + N
OUTPUT and INVERTER OUTPUT
Rated power 250000 VA
Active power 250000 W
Number phases 3 + N
Crest factor (Ipeak/Irms) 3:1
Static stability ±1%
Dynamic stability ±5% in 10 msec.
Frequency 50 or 60 Hz (selectable)
Voltage distortion with non-linear load <3%
Voltage distortion with linear load <1%
Frequency stability 0.05%
Overload 110% for 60 min.; 125% for 10 min.; 150% for 1 min.
RECTIFIER OUTPUT
Ripple Zero
BATTERIES
Type VRLA AGM / GEL; NiCd; Supercaps; Li-ion; Flywheels
ENVIRONMENTAL
Color Dark grey RAL 7016
Remote controls ESD and bypass (configurable)
Communication Double RS232 + remote contacts + 2 slots for communications interface
Protection rating IP20 (others upon request)
Line-Interactive/Smart Active efficiency >99%
Noise (at 1 m) 63 - 68 dBA
Remote signals volt-free contacts (configurable)
Operating temperature 0 °C - +40 °C
Relative humidity 5-95% non-condensing
Transport Pallet jack
Standards European directives: L V 2014/35/EU low voltage; EMC 2014/30/EU electromagnetic compatibility -- Directive and Standards: Safety IEC EN 62040-1; EMC IEC EN 62040-2; RoHS compliant -- Classification in accordance with IEC 62040-3 VFI - SS - 111
DATA
Weight 1300 kg
Dimensions (h w d) 1900x1000x850 mm

Master ME
100-800 kVA

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