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Cummins

Cummins 1000 kVA Diesel Generator C1000DSB

The Cummins C1000DSB 1000 kVA Diesel Generator is a premier power solution for the Indian industrial sector, where grid stability remains a challenge. Rated at 1000 kVA (800 kW) with a maximum surge capacity of 1100 kVA, this three-phase unit operates at 415V and 50Hz, making it compatible with heavy industrial motors and HVAC systems. It is powered by a 30.6 L, 12-cylinder QST30-G5 engine that consumes 112 L/hr at full load, offering a continuous duty cycle. Designed for the Indian market, it is fully CPCB-II emission compliant, ensuring legal operation in residential and commercial zones through its silent steel canopy. Key safety features include low oil shutdown, overload protection, and earth leakage sensors. The inclusion of an AVR-controlled brushless alternator ensures a clean AC output with less than 1% voltage regulation, critical for sensitive electronics in data centers and medical clinics. With a 2-year warranty and backed by Cummins' extensive service network in India, this 6100 kg powerhouse provides the ultimate reliability against DISCOM failures and scheduled load shedding in Tier-1 and Tier-2 cities.

Quick Answer

Given the rising frequency of summer peak demand failures and the high cost of production loss during load shedding, the Cummins 1000 kVA DG set offers an excellent ROI through its durability, high resale value, and the 'peace of mind' of the Cummins Pune-based support network.

✓24/7 Backup for a 200-bed hospital in Bangalore ensuring ventilators and OTs stay powered.
✓Standby power for an IT park in Hyderabad during MSEDCL grid maintenance.
✓Prime power source for a large-scale construction project in Noida with no grid access.

In India, a silent canopy is almost always mandatory for urban and commercial installations to meet RWA and CPCB noise regulations; an open-frame model is only viable in remote, isolated industrial zones or mining sites.

✓ Who Should Buy

  • •This unit is primarily purchased by large industrial manufacturers, multi-specialty hospitals, high-rise luxury apartment complexes, and tier-3 data centers across India who cannot afford even a millisecond of power interruption.

✕ 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 C1000DSB is a high-performance 1000 kVA diesel generator engineered for large-scale industrial and commercial power requirements in India. Powered by the legendary QST30-G5 engine, this 4-cycle, turbocharged unit delivers a robust 800 kW (at 0.8 PF) of reliable standby power. With the Indian grid often prone to load shedding and seasonal peak demand failures, this DG set ensures that manufacturing plants, hospitals, and data centers remain operational. Housed in a silent canopy, it complies with strict CPCB-II emission norms, maintaining a noise level below 75 dB at 1 meter. It features an advanced electronic governor and a 12-cylinder water-cooled system, providing the thermal stability needed for the Indian climate. Whether it's managing MSEDCL outages or supporting critical UPS handover gaps, the C1000DSB is the gold standard in heavy-duty power backup.

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Engineering Analysis
The C1000DSB is built around the Cummins QST30-G5, a 30.6-liter displacement engine known for its high power-to-weight ratio. The 12-cylinder configuration ensures smooth torque delivery, while the electronic governor maintains a precise 1500 RPM to keep frequency at exactly 50Hz. Its cooling system is optimized for ambient temperatures up to 50°C, common in Indian summers. The Class H insulation in the copper-wound alternator protects the unit against thermal stress during continuous 24/7 operations. Efficiency is rated at 92%, which is market-leading for the 1000 kVA category.

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