Onis Visa POWERFULL S Diesel Generators: heavy duty industrial series from 750 to 2500 kVA for Data Centers, healthcare and Industrial companies.

The Onis Visa POWERFULL S diesel generator range covers power outputs from 750 to 2500 kVA at 50 or 60 Hz, engineered specifically for the most demanding installations requiring intensive and continuous genset operation. These modular and highly customisable generating sets are designed to adapt to applications of varying complexity, delivering the highest levels of performance and reliability across critical sectors including healthcare facilities, industrial plants, Data Centers and infrastructure. The POWERFULL S combines high technology and innovation with optimised dimensions, offering all the quality and cost advantages of series production alongside the flexibility of a fully customisable platform. Generators in the 750 to 1500 kVA range can be shipped in standard 40' HC containers, significantly reducing logistics costs for international projects. Additional accessories are available on request for sector-specific applications.

Standard Equipment

1. Industrial diesel engine in generating set configuration
2. Industrial brushless alternator with AVR (automatic voltage regulator)
3. Control panel, circuit breaker and cables factory-mounted on board
4. Soundproof canopy in galvanised steel with powder-coated paint finish
5. Modular steel baseframe with U-section profiles
6. Semi-residential exhaust silencer with rain cap
7. High-damping anti-vibration mounts between engine/alternator and baseframe
8. Engine oil extraction pump and fuel pre-filter decanter
9. Four-point lifting eyes on all sides, including overlapping points for safe delivery handling
10. Factory test certificate, operation manuals and electrical diagrams included
11. Worldwide after-sales service and dedicated Onis Visa technical support

For full technical specifications, download the POWERFULL S diesel generator data sheet.

Key Features of the POWERFULL S Range

• Modular baseframe built with heavy-duty U-section steel profiles; custom baseframe designs available on request
• Optional rear-mounted fuel tank module (also available separately) in multiple capacities: 400 L, up to 2500 L and more, to ensure maximum autonomy for critical and continuous-duty applications

Distinctive options available on request:

• Tropical radiator package for high-ambient-temperature deployments
• Desert Kit with additional air inlets and sand traps, specifically engineered for extreme heat and dusty environments
• Dedicated equipment packages for sector-specific applications including Data Centers, healthcare and telecoms