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Cummins 700 kVA Silent Diesel Generator

The Cummins 700 kVA (560 kW) QSX15-G9 is a premier heavy-duty diesel generator tailored for the Indian industrial landscape. As power demand surges during Indian summers, leading to frequent load shedding and grid instability from DISCOMs like BESCOM and MSEDCL, this DG set provides a reliable 415V three-phase backup solution. In India, generators are primarily rated in kVA; at a 0.8 power factor, this 560 kW unit delivers a robust 700 kVA of power, suitable for heavy machinery, HVAC systems, and large-scale commercial complexes. The heart of the unit is a 15L QSX15-G9 water-cooled engine, ensuring high fuel efficiency with a consumption rate of 90 L/hr at full load. This model is fully CPCB-II compliant, meeting the mandatory Indian emission and noise standards (75 dB at 1m), which is crucial for obtaining NOCs from pollution control boards in urban areas. Safety is paramount, featuring low oil shutdown, earth leakage protection, and an emergency stop. The unit includes a 750L fuel tank providing over 8 hours of runtime at 100% load. With a brushless alternator, copper windings, and Class H insulation, the QSX15-G9 is built for longevity and extreme performance in Indian tropical conditions. Whether for a manufacturing plant in Pune or a high-rise in Gurgaon, this Cummins generator represents the gold standard in power backup.

Quick Answer

Yes, the investment is highly justified when compared to the revenue loss of a factory shutdown. While the upfront cost is higher than an inverter or solar setup, no other technology can currently support heavy 415V three-phase machinery for 15+ hours continuously. The 2-year/5000-hour warranty provided by Cummins India offers long-term peace of mind and high resale value.

Emergency backup for a 100-bed multispeciality hospital during a transformer failure.
Continuous power supply for a textile mill in a Tier-2 city during scheduled load shedding.
Prime power source for a remote construction site or highway tunnel project.

In India, the silent canopy (closed frame) is the industry standard for any urban or semi-urban installation due to CPCB-II noise regulations. Open-frame models are strictly limited to remote mining sites or isolated industrial zones. The silent canopy not only ensures legal compliance but also protects the engine from India's high dust levels and monsoon rains.

✓ Who Should Buy

  • This generator is primarily purchased by large-scale industrial owners, hospital administrators, data center facility managers, and real estate developers in India. It is designed for those who cannot afford even a minute of downtime, especially in regions served by MSEDCL or PVVNL where power stability can be inconsistent.

✕ Who Should Avoid

  • Spaces or usage requirements exceeding residential rated capacity.
  • Installations prioritizing minimum capital expenditure over high-efficiency performance.
  • Unstable grid conditions exceeding the functional threshold of Standard power cycle.
  • Environments incompatible with generators physical and thermal dissipation specs.
Product Overview
The Cummins QSX15-G9 is a powerhouse industrial diesel generator designed to tackle India's most demanding power challenges. With a rated output of 560 kW (which translates to 700 kVA at a 0.8 power factor), this three-phase silent DG set is engineered for continuous duty in manufacturing plants, large hospitals, and data centers. Built in India, it features a 15-liter, 6-cylinder turbocharged engine that adheres to strict CPCB-II emission norms. Its silent canopy design ensures a noise level of just 75 dB(A) at 1 meter, making it compliant with residential and commercial zone regulations. Equipped with advanced digital controls and remote monitoring capabilities, the QSX15-G9 offers a seamless transition during grid failures from DISCOMs like MSEDCL or BESCOM, ensuring your operations never miss a beat.

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Engineering Analysis
The QSX15-G9 utilizes an advanced electronic governor for precise frequency control, essential for sensitive industrial electronics. The 1500 RPM 4-cycle turbocharged aftercooled engine is optimized for the Indian climate, utilizing a water-cooled system to maintain thermal efficiency during 45°C+ summers. The brushless alternator with AVR technology ensures voltage fluctuations are kept within ±1%, protecting heavy three-phase motors from 'brownout' damage common during local grid switching.

Technical Support & FAQs