Description

EVI 10 000 VA / 9 000 W Tower Online 3 Phase UPS

EVI 10 000 VA / 9 000 W Tower Online 3 Phase UPS is priced at Kes 365,000  here at Novelty Tech Solution in Nairobi, Kenya

Basic Specs

Parameter Specification
Model EP-UPS10000Y33OT
Capacity 10,000 VA / 9,000 W (power factor 0.9)
Topology True online double-conversion with DSP control
Form factor Tower
Input / Output 3-phase / 3-phase

Electrical Characteristics

Parameter Value / Range
Nominal Input Voltage 380 / 400 / 415 VAC (3-phase)
Input Voltage Range ~208-478 VAC (3-phase)
Input Power Factor ~0.99 under nominal voltage
Input Frequency Range ~46-54 Hz or 56-64 Hz (auto-detect/sync)
Output Voltage 380 / 400 / 415 VAC (3-phase)
Output Frequency 50/60 Hz selectable/synchronous, stable under battery mode
Output Power Factor 0.9
Output Waveform Pure sine wave
Total Harmonic Distortion (THDi) < 3% (linear load) typical

Battery & Runtime

Parameter Value / Notes
Battery Type Sealed Lead Acid (SLA) internal batteries
Number of Batteries (internal) ~20 × 9 Ah SLA cells (for full set)
Typical Runtime at Full Load ~10-30 minutes (varies with actual load)
Expandable Runtime Yes — supports external battery packs for longer backup

Performance & Features

  • Zero transfer time from AC to battery (i.e. no interruption)

  • Supports parallel redundancy (N+X) up to 4 units to increase capacity or reliability

  • Wide input voltage and frequency tolerance, making it robust for unstable grid or generator use

  • Built-in protections: overload, short circuit, over-temperature, low battery etc.

  • Efficient operation (~93.5% efficiency reported in some listings)

Physical & Environmental

Parameter Specification
Dimensions (approx) ~250 × 840 × 715 mm (W × H × D)
Weight (with batteries) ~164 kg
Operating Temperature 0-40 °C typical
Noise Level < 55 dB at 1 meter
Warranty 2 years for the UPS; battery warranty shorter (often 1 year)

Pros & Considerations

Advantages

  • Very robust for mission-critical environments (data centres, hospitals, industrial automation) because it offers true online protection, zero transfer time, stable output even during grid disturbances.

  • High capacity (9 kW usable power) allows for large loads or overhead in load growth.

  • Scalable via parallel configurations — useful if you need redundancy or expansion.

  • Good compatibility with generators (because of wide voltage/frequency input ranges).

Things to Check / Be Careful About

  • Battery maintenance & replacement cost: SLA batteries degrade over time; full replacement can be expensive.

  • Heat & ventilation: since this UPS is large and handles high power, ensure good airflow / cooling.

  • Installation site: the size, weight, and infrastructure (floor strength, access) matters.

  • External battery packs if long runtimes needed, adding more cost, space, and maintenance.

  • Efficiency vs load: like many UPS systems, efficiency improves at higher loads; under-loading can reduce efficiency.

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