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Cummins 320 kVA Silent Diesel Generator

The Cummins C320D5P is a premier 320 kVA (350 kVA Max) industrial diesel generator engineered for the Indian market's demanding power landscape. Equipped with a 6-cylinder NT855-GA water-cooled engine, it operates at 1500 RPM to deliver high-torque performance during peak summer demand failures often seen in Tier-2 and Tier-3 cities. This three-phase (415V) unit is essential for heavy industrial loads where single-phase solutions fail to support large motors or medical equipment. As a CPCB-II compliant silent generator, it meets the strict environmental norms required by the Central Pollution Control Board, featuring an acoustic canopy that limits noise to 75 dB at 1 meter. With a 350-liter fuel tank and a consumption rate of 41.5 L/hr at full load, it offers over 8 hours of continuous operation during long DISCOM outages. Key safety features include an integrated Electronic Governor for precise frequency control, AVR for voltage stability, and an emergency stop button. The package includes a digital control panel with a voltmeter, ammeter, and fuel gauge, making it a comprehensive turnkey solution for hospitals, data centers, and manufacturing units needing reliable standby power. At 2500 kg, its steel-bodied frame is built for longevity and harsh Indian weather conditions.

Quick Answer

Given the rising cost of power outages to business productivity, the C320D5P is a high-value investment. Its low fuel consumption of 41.5 L/hr at full load and the 2-year warranty on both engine and alternator provide a lower Total Cost of Ownership (TCO) compared to non-branded or smaller modular units.

✓Emergency backup for a 50-bed multi-specialty hospital during peak summer outages.
✓Continuous power source for a manufacturing unit in an industrial area with 8-hour daily load shedding.
✓Standby power for a large IT park to bridge the gap between grid failure and UPS activation.

In the Indian market, a silent canopy generator is significantly more valuable than an open-frame model because it permits installation in urban zones under CPCB-II regulations. Open-frame models are generally restricted to isolated industrial zones and lack the weather protection and safety features provided by the Cummins steel canopy.

✓ Who Should Buy

  • •The primary buyers of the Cummins 320 kVA DG set are industrial plant owners, large-scale hospital administrators, real estate developers for high-rise apartment complexes, and data center facility managers who require 100% uptime.

✕ 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 C320D5P is a heavy-duty 320 kVA diesel generator designed to tackle the frequent power fluctuations and grid failures common in India. Powered by the legendary NT855-GA 4-cycle turbocharged engine, this 3-phase, 415V powerhouse is engineered for industrial and large-scale commercial applications. With a rated power of 320 kVA (approx. 256 kW at 0.8 PF), it provides a robust backup solution for factories, hospitals, and large apartment complexes that cannot afford a second of downtime. Encased in a CPCB-II compliant green silent canopy, it maintains a noise level of 75 dB, ensuring compliance with NGT and local RWA regulations while delivering 444A of steady current to drive heavy machinery and HVAC systems.

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Engineering Analysis
The Cummins C320D5P utilizes the NT855-GA engine platform, a global benchmark for durability. The 14-liter displacement ensures high thermal efficiency (91%), which is critical during the extended load shedding periods typical of Indian summers. The electronic governor provides superior transient response, ensuring that the voltage stays stable even when large inductive loads like elevators or central air conditioning are switched on. The Class H copper-wound brushless alternator coupled with AVR technology ensures that sensitive electronic equipment in server rooms or clinics is protected from voltage spikes.

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