400kw Silent Diesel Generator
Model: DB-400GF
Prime power: 400KW/500KVA
Rated current: 720A
Rated frequency: 50Hz/60Hz
Power factor: 0.8lag
Rated voltage: 380~480V
For more types, please contact us
Introduction:
Dingbo Power, a professional and reliable diesel generator set manufacturer, is proud to present the 400kw 500kVA silent diesel generator set, engineered to deliver powerful, stable, and low-noise power supply for large-scale power demand scenarios. As an authorized supporting manufacturer of world-renowned engine brands (Cummins, Perkins, Deutz, Weichai, Shangchai, Yuchai) and leading generator brands (Stanford, Leroy-Somer), we strictly select original core components to ensure the unit’s superior reliability, durability, and high-efficiency performance.
Customer demand is our top priority. We provide fully customized solutions — our professional team will recommend the optimal configuration based on your specific usage scenarios, budget, power requirements, and environmental conditions, ensuring the generator set perfectly adapts to your project and achieves the best cost-effectiveness. Equipped with a professional silent enclosure, high-quality core parts, and a built-in fuel tank, this 400kw 500kVA silent diesel generator set balances powerful output and quiet operation, making it suitable for a wide range of indoor and outdoor applications.
Advantages:
The advantages of 500kVA silent diesel generator:
Authorized High-Quality Core Components: As an officially authorized supporting manufacturer, we exclusively use original engines from Cummins, Perkins, Deutz, Weichai, Shangchai, and Yuchai, as well as generators from Stanford and Leroy-Somer. These well-known brands boast mature technology and global recognition, ensuring the generator set operates stably, with low fuel consumption, strong load-bearing capacity, and a long service life. Leveraging the global service networks of these brands, we provide timely after-sales support and spare parts supply for customers worldwide.
Outstanding Silent Performance: The silent enclosure is made of 2mm galvanized steel, featuring excellent corrosion resistance, rust resistance, and color fastness. It can maintain long-term stability even in harsh environments such as high humidity, high temperature, and outdoor exposure. The enclosure is filled with 5cm thick high-density sound-absorbing cotton, which effectively absorbs and isolates noise generated by engine and generator operation. The noise level is stably reduced to 75 decibels at 7 meters, far below the industry average, meeting noise control standards for various sensitive scenarios and avoiding noise pollution.
Built-in 8-Hour Fuel Tank: The generator set is equipped with a bottom-mounted integrated fuel tank, capable of supporting continuous operation for 8 hours at rated power (400kw/500kVA). This integrated design saves installation space, simplifies the installation process, and ensures uninterrupted power supply during short-term power outages or temporary operations. It eliminates the need for additional fuel storage equipment, reducing customers’ initial investment costs.
Customizable Configuration: We fully consider the differences in customer needs. Based on your usage scenarios (indoor/outdoor, fixed/temporary, high-temperature/humid environments), power demand (backup/main power), budget, and other factors, our professional team will customize the most suitable configuration plan, including engine model, generator brand, control system (manual/automatic), enclosure design, and more, to ensure the product perfectly matches your actual needs.
Durable & Easy to Maintain: The 2mm galvanized steel silent enclosure not only enhances noise reduction but also greatly improves the unit’s overall durability and impact resistance, effectively preventing corrosion, rust, and fading. The reasonable structural design makes all key components (engine, generator, control panel, etc.) easily accessible, facilitating daily inspection, maintenance, and repair, thus reducing maintenance time and operating costs. Additionally, diesel engines have fewer vulnerable parts, further reducing maintenance frequency and extending the unit’s service life.
Technical Parameters:
| Item | Specification |
| Rated Power | 400 kW /500 kVA |
| Voltage | 220V / 380V / 400V / 415V (customizable) |
| Frequency | 50Hz / 60Hz |
| Engine Brand | Cummins / Perkins / Weichai / Yuchai |
| Alternator | Stamford / Leroy-Somer / OEM |
| Phase | 3 Phase |
| Cooling System | Water-cooled |
| Noise Level | ≤ 75 dB(A) at 7 meters |
| Fuel Tank | 8–12 hours running |
| Control Panel | Smart controller / ATS optional |
| Enclosure Type | Soundproof & Weatherproof |
Applications:
With its powerful output, excellent silent performance, stable operation, and customizable features, the 400kw 500kVA silent diesel generator set is widely applicable to large-scale scenarios requiring quiet and reliable power supply, including but not limited to:
Industrial & Manufacturing Fields: Large-scale factories, production workshops, assembly lines, chemical plants, metallurgical plants, and warehouses. It can be used as a backup power supply to avoid huge economic losses caused by sudden power outages, or as a main power supply in areas with unstable grid power. The corrosion-resistant enclosure adapts to complex industrial environments, ensuring long-term stable operation.
Commercial & Public Buildings: Large shopping malls, high-end office buildings, five-star hotels, large hospitals, universities, and convention centers. The low-noise design ensures the unit’s operation does not interfere with the normal work and rest of employees, guests, patients, and students, meeting the high-standard noise requirements of public places.
Data Centers & Communication Hubs: Large data centers, communication base stations, cloud computing centers, and post and telecommunications facilities. It provides stable and uninterrupted power supply to ensure the normal operation of precision equipment, and the low-noise, low-vibration design avoids affecting the equipment’s service life and operational accuracy.
Outdoor & Large-Scale Temporary Projects: Large construction sites (urban construction, highway/bridge construction), outdoor large-scale events (concerts, exhibitions, sports events), temporary camps, and emergency rescue sites. The compact design and silent performance make it easy to deploy and use, without causing noise pollution to the surrounding environment.
Residential & Public Utility Areas: Large high-end residential communities, villa areas, water supply and drainage stations, sewage treatment plants, and rural power supply stations. The silent operation ensures it does not disturb residents’ daily lives, and the 8-hour built-in fuel tank meets emergency power needs during short-term outages, guaranteeing the normal operation of public facilities.
Choose us:
Looking for a powerful, silent, and efficient diesel generator? Our Dingbo Power 400kW Silent Diesel Generator is the ideal choice for both commercial and industrial applications, offering:
Prime Power: 400KW / 500KVA, providing reliable power to keep your operations running smoothly.
Rated Current: 720A, designed to meet your heavy-duty electrical needs.
Versatile Frequency: 50Hz/60Hz, adaptable to different requirements across regions.
Power Factor: 0.8 lag, ensuring consistent and reliable performance.
Rated Voltage: 380~480V, perfect for a variety of power setups.
Transport Package: Securely packed in plastic film and plywood case for safe delivery.
Dingbo Power is a professional manufacturer focusing on the R&D, production and sales of diesel generator sets, with rich industry experience and mature production technology. We have established long-term and stable cooperative relationships with world-renowned engine and generator brands and obtained official authorization, which enables us to provide customers with high-quality and reliable products. Our core goal is to meet customer needs, and we are committed to providing customized power solutions, professional technical guidance and thoughtful after-sales service for customers around the world. Whether you need a high-power backup power supply or a stable main power supply, Dingbo Power will be your most reliable partner.
Whether for backup power or off-grid applications, the 500kVA Silent Diesel Generator is your ultimate solution. Order now to secure this high-performance generator and keep your business running smoothly even during power outages!
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