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Cummins 180 kW (225 kVA) Diesel Generator

The Cummins QSB7-G5 diesel generator is a premium power solution tailored for Indian industrial and commercial applications. In India, generators are typically sized in kVA; this model's 180 kW output converts to approximately 225 kVA at a 0.8 power factor, making it ideal for heavy-duty loads like industrial HVAC, elevators, and manufacturing machinery. Operating on a three-phase system, it provides stable 415V-480V power, bridging the critical gap during UPS handover or prolonged DISCOM outages. This 6-cylinder, 6.7L water-cooled engine is housed in a silent canopy that meets strict RWA and industrial noise norms (under 75 dB at 7 meters). Safety is paramount with features including low oil shutdown, earth leakage protection, and an emergency stop. For Indian buyers, the Cummins brand offers peace of mind through its extensive service network in Pune and beyond. Whether you are managing a hospital, a data center, or a large-scale construction site, this DG set provides continuous duty reliability with smart remote monitoring and cloud-enabled features. It outshines traditional battery-inverter systems by supporting heavy inductive loads during peak summer failures when the grid is most vulnerable.

Quick Answer

Yes, despite the higher initial cost compared to local unbranded sets, a Cummins DG set is worth the investment due to its high resale value, fuel efficiency, and the reliability of its service network. In a landscape of frequent grid failures and summer peak demands, it prevents the astronomical costs associated with equipment damage and operational downtime.

Hospital Emergency Backup
Cold Storage Facility Power
High-Rise Apartment Lift Backup

In India, the silent canopy (closed-frame) is the gold standard for urban and commercial areas due to CPCB noise regulations. An open-frame generator is only suitable for remote construction sites or isolated industrial zones. The silent enclosure not only reduces noise to acceptable levels for neighbors but also protects the engine from India's monsoon rains and dust.

✓ Who Should Buy

  • This generator is primarily purchased by industrial plant managers, owners of large hospitals, data center operators, and real estate developers for high-rise residential complexes. It caters to those who cannot afford even a few seconds of downtime and requires a heavy-duty backup for essential utilities like lifts and fire pumps.

✕ 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 QSB7-G5 is a high-performance, 6.7L 6-cylinder industrial diesel generator designed for robust power backup in the Indian market. Offering a rated power range of 113-180 kW (equivalent to approximately 141 kVA to 225 kVA at 0.8 PF), this three-phase DG set is engineered to combat the frequent load shedding and summer peak demand failures experienced under DISCOMs like MSEDCL, BESCOM, and TNEB. Featuring a turbocharged, aftercooled engine and a silent steel canopy, it ensures high efficiency and low noise (65-75 dB), making it suitable for both industrial zones and commercial complexes requiring CPCB-compliant emission standards.

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Engineering Analysis
The QSB7-G5 utilizes a 4-cycle turbocharged diesel engine with an electronic governor for precise frequency control. Its brushless alternator with Class H insulation and copper winding ensures durability under the harsh Indian climate. The system supports auto-start and ATS integration, crucial for seamless transition during Tier-2 city power cuts. With a displacement of 6.7L and a high-efficiency water-cooling system, it maintains thermal stability during 24/7 continuous operation.

Technical Support & FAQs