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Kirloskar 25 kVA Silent Diesel Generator

The Kirloskar KG1-25WS is a 25 kVA (20 kW) industrial-grade silent diesel generator engineered for the Indian market's unique power challenges. In a landscape where summer peak demand often leads to unscheduled outages by DISCOMs, this 25 kVA DG set offers a robust backup for three-phase (415V) equipment including industrial motors, HVAC systems, and medical imaging devices. It is powered by a 3-cylinder HA394 TCI G2 water-cooled engine with a displacement of 2.89 L, ensuring high efficiency and continuous duty performance. The unit is fully compliant with CPCB-IV+ norms, which are mandatory for new installations in India to ensure lower emissions and noise pollution levels below 75 dB. With a fuel consumption rate of 6.4 L/hr at full load and a 10-hour runtime, it provides a cost-effective alternative to battery-heavy UPS systems for long-duration outages. This generator features industrial-grade safety including earth leakage protection, low oil shutdown, and over-temperature sensors. Whether you are managing a petrol station, a medium-sized cold storage, or a residential complex with elevators, the Kirloskar Green brand provides peace of mind through its 60-year legacy and extensive service network across Tier-1 and Tier-2 cities in India.

Quick Answer

Given the transition to CPCB-IV+ norms and the rising cost of electricity, the Kirloskar KG1-25WS is a high-value investment. Its durability in Indian tropical climates and the high resale value of Kirloskar units make it more economical than cheaper, unbranded alternatives over a 5-10 year lifecycle.

✓Powering a 24-hour diagnostic center including X-ray and MRI backup.
✓Emergency backup for a residential apartment elevator and common area lighting.
✓Continuous power source for a remote highway petrol pump and restaurant.

In India, the silent canopy (75 dB) is the preferred choice for almost all urban applications to comply with noise pollution laws. While open-frame models are cheaper, they are generally restricted to remote construction sites or isolated industrial zones.

✓ Who Should Buy

  • •This generator is typically purchased by Indian small-to-medium enterprise owners, hospital administrators, petrol pump operators, and developers of luxury residential complexes who need to maintain 24/7 operations despite grid instability.

✕ 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 Kirloskar KG1-25WS is a premium 25 kVA silent diesel generator designed to handle the rigorous power demands of the Indian commercial and industrial sectors. Powered by the reliable HA394 TCI G2 water-cooled engine, this three-phase DG set provides 415V of stable power, making it ideal for factories, hospitals, and large retail outlets. With the latest CPCB-IV+ emission compliance, it ensures environmental sustainability alongside heavy-duty performance. Featuring a 65L fuel tank and a silent canopy that limits noise to 75 dB, it is the perfect solution for businesses facing frequent load shedding from DISCOMs like MSEDCL, BESCOM, or DHBVN.

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Engineering Analysis
The KG1-25WS utilizes a mechanical governor system paired with a brushless alternator and AVR (Automatic Voltage Regulator) to maintain precise 415V output even under fluctuating loads. The 3-cylinder water-cooled HA394 TCI G2 engine is designed for high thermal efficiency, which is critical during Indian summers when ambient temperatures can degrade air-cooled performance. The Class H insulation in the copper-wound alternator allows for high-temperature resilience, ensuring the 25 kVA rated output remains stable over a continuous duty cycle. The inclusion of Cold Start Assist ensures reliability during winters in Northern India.

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