The 275kVA Soundproof Diesel Generator with Reliable Cummins Engine from Hosem Power is engineered to deliver dependable, low-noise, and fuel-efficient power for industrial, commercial, and large-scale backup applications. Powered by the trusted Cummins 6LTAA8.9-G2 or equivalent series engine, this generator ensures stable output, strong load acceptance, and long operating life—making it a preferred choice for facilities that cannot afford downtime.
Built with a high-performance soundproof canopy, this generator operates at significantly reduced noise levels, making it ideal for hospitals, business centers, residential buildings, and noise-sensitive project sites. Its combination of premium components, efficient cooling, and intelligent control makes it suitable for both prime and standby use in demanding environments.
This 275kVA Cummins generator is ideal for:
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| Generator Set Specification | ||
| Model | A-C275S | |
| Max. Power | kVA | 275 |
| kW | 220 | |
| Rate Power | kVA | 250 |
| kW | 200 | |
| Frequency | Hz | 50 |
| Rate Voltage | V | 400/230 |
| Rate Current | A | 360.9 |
| Fuel Tank Capacity | L | 400 |
| Dimension For Open-type Genset | mm | 2654 X 1156 X 1595 |
| Weight For Open-type Genset | kg | 1750 |
| Dimension For Soundproof Genset | mm | 3500 X 1126 X 1700 |
| Weight For Soundproof Generator | kg | 2200 |
| Noise Level for Soundproof Generator at 7M | dBA | 75 |
| Battery | Two of Free Maintenance Battery | |
| Engine Specification | ||
| Engine Manufacturer | Dongfeng Cummins Engine Co., Ltd. | |
| Engine Brand | Cummins | |
| Engine Model | 6LTAA8.9-G2 | |
| No. of Cylinder | 6 Cylinder in line | |
| Aspiration | Turbocharged and Air to Air Aftercooled | |
| Governor | Electric | |
| Engine Max. Output Power | kW | 242 |
| Displacement | L | 8.9 |
| Compression Ratio | 16.6 : 1 | |
| Starting Voltage | V | 24 |
| Bore | mm | 125 |
| Stroke | mm | 136 |
| Lubrication Oil Capacity | L | 36 |
| Intake Air Flow | M3/Min | 18.7 |
| Fuel Consumption at 100% Load | L/H | 53 |
| Alternator Specification | ||
| Alternator Manufacturer | Fuzhou Hosem Power Co., Ltd. | |
| Alternator Model | ASF274K | |
| Alternator Brand | Hosem | |
| Rate Output | kVA | 250 |
| Frequency | Hz | 50Hz |
| Altitude | M | ≤1000 |
| Insulation | Class H | |
| Phase | 3 Phase | |
| Working Temperature without power decrease | ≤40℃ | |
| Working Altitude without power decrease | ≤1000m | |
| Automatic Voltage Regulation | SX440 | |
| Protection Grade | IP23 | |
| Alternator for optional | Leroy Somer, Marathon, Mecc Alte and Hosem Brushless alternator for optional | |
| Control Panel Specification | ||
| Controller Brand | Deepsea | |
| Controller Model | DSE7320 | |
| Breaker Brand | Delixi | |
| Breaker Capacity (A) | 400 | |
| Battery Charger | Smartgen Model BAC06A | |
| Emergency Stop Button | Supply | |
| Automatic Mains Fail (AMF) | Supply | |
| Fuel Level | Supply | |
| Automatic Transfer Switch | ATS as optional part | |
| The control panel supply the full protection with alarm and shutdown of the diesel generator include Start-up fault (generator set shutdown), High coolant temperature (alarm and generator set shutdown), Low oil pressure (alarm and generator set shutdown), Low fuel level (alarm), Low cooling fluid level alarm (as optional), Overload (alarm and generator set shutdown), Battery voltage high (alarm). | ||
| Optional controller: Each model of Deepsea, Smartgen, ComAp brand controller. | ||
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Reliable Cummins Engine Performance
Soundproof Canopy for Low-Noise Operation
Durable Construction for Long Service Life
Advanced Control System
Continuous Operation Ready
Q1: Is the 275kVA Cummins generator suitable for noise-sensitive environments?
A1: Yes. This generator is equipped with a specially engineered soundproof canopy and industrial-grade muffler, significantly lowering noise levels. It is suitable for hospitals, residential areas, office buildings, and any location where quiet operation is required.
Q2: Can the generator start automatically during a power outage?
A2: Absolutely. When paired with an ATS (Automatic Transfer Switch), the generator will automatically start within seconds of detecting a mains power failure, ensuring uninterrupted power for critical systems.
Q3: Can the generator be customized for different voltages or applications?
A3: Yes. Hosem Power can customize voltage (208V/220V/380V/440V/480V), frequency (50Hz/60Hz), alternator brand, control panel models, and additional accessories such as remote monitoring and fuel tanks to meet your project’s specific needs.
Q4: What warranty comes with this 275kVA Cummins generator?
A4: Hosem Power provides a 1-year 1,000-hour warranty, covering manufacturing defects. During this period, we offer free replacement parts and fast courier support to minimize downtime.