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Cummins 350 kVA Silent Diesel Generator

The Cummins C350D6 is a high-performance 350 kVA silent diesel generator engineered for heavy-duty commercial and industrial applications across India. In a landscape where DISCOMs like MSEDCL, BESCOM, and various State Electricity Boards often struggle with load shedding and scheduled outages, this DG set provides a critical lifeline. Rated at 350 kVA with a power factor of 0.8, it delivers approximately 280 kW of power, making it perfect for three-phase motor loads, heavy HVAC systems, and industrial machinery. The heart of the machine is the QS9-G7 4-cycle turbocharged engine, displacing 8.9L and operating at 1800 RPM. For Indian buyers, the silent canopy design is a major advantage, keeping noise levels at a compliant 75 dB to satisfy RWA and pollution board requirements in urban zones. Safety is paramount, featuring earth leakage protection, emergency stop buttons, and auto-start capabilities that ensure a seamless transition when the grid fails. This Cummins unit is built for continuous duty, featuring a Class H insulation brushless alternator and an electronic governor for precise voltage regulation. Whether you are managing a large hospital, a data center, or a textile factory, the 360-liter fuel tank and 8.1-hour full-load runtime provide the reliability needed to survive India's unpredictable power landscape. The package comes complete with a maintenance kit and a 2-year warranty, backed by Cummins' extensive service network in India, including their massive manufacturing footprint in Pune.

Quick Answer

Yes, it is a high-value investment because a single day of production loss in a factory can exceed the cost of the generator's annual maintenance. Cummins' strong service network in India ensures that spare parts are easily available, unlike imported unbranded sets that often become 'white elephants' after a breakdown.

✓Powering a multi-specialty hospital's ICU and OT during a 6-hour BESCOM outage.
✓Running heavy plastic injection molding machines in a Pune industrial estate.
✓Providing silent backup power for a luxury high-rise apartment complex in Gurgaon.

In India, silent generators are the standard for any location near residential areas or office blocks due to strict CPCB noise limits. While open-frame units are cheaper, the silent canopy provides essential protection against Indian weather elements like heavy monsoon rains and extreme dust, significantly extending the machine's lifespan.

✓ Who Should Buy

  • •This generator is primarily purchased by industrial plant owners, developers of large residential complexes, and hospital administrators in India. It is also a staple for data centers and infrastructure projects like metro construction where high-capacity, reliable 24/7 power is non-negotiable.

✕ 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 C350D6 is a robust 350 kVA diesel generator designed to tackle the chronic power-cut issues faced by Indian industries. Powered by the reliable QS9-G7 engine, this three-phase industrial DG set provides a peak output of 385 kVA, ensuring that large-scale operations in Tier-2 and Tier-3 cities remain unaffected during summer peak demand failures. Encased in a silent canopy, it adheres to strict noise pollution norms, making it suitable for hospitals, commercial complexes, and manufacturing units where CPCB-II compliance is a priority. With a high fuel efficiency of 44.2 L/hr at full load and a massive 360L tank, it offers over 8 hours of continuous runtime, bridging the gap between DISCOM outages and UPS handover with professional-grade stability.

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Engineering Analysis
The C350D6 leverages the QS9-G7 engine platform, which is a turbocharged 6-cylinder powerhouse designed for high thermal efficiency (92%). The electronic governor allows the unit to respond rapidly to load fluctuations, a common scenario in Indian factories using heavy motors. The brushless alternator with AVR technology ensures clean AC output, preventing damage to sensitive control panels. While this specific model is listed as 60Hz/480V, Indian industrial adaptations typically utilize Cummins' localized PowerCommand systems to align with 415V/50Hz grid requirements where necessary. The 24V electric start system combined with auto-start functionality makes it an 'install and forget' solution for critical infrastructure.

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