Super Silent 200kW 250kVA Diesel Generator with Cummins Engine | Hosem Power
The Super Silent 200kW 250kVA Diesel Generator with Cummins Engine is purpose-built for users seeking high-performance power generation with exceptionally low noise levels. Powered by the durable and fuel-efficient Cummins 6LTAA8.9-G2 engine, this generator ensures stable, clean, and reliable output—perfect for both prime and standby applications in demanding environments.
To achieve this superior noise reduction, the generator integrates a series of advanced soundproofing technologies:
- High-Performance Acoustic Enclosure:
The entire generator is enclosed within a heavy-duty steel canopy lined with fire-resistant, high-density sound-absorbing insulation, significantly reducing engine noise and vibration escape.
- Low-Noise Industrial Exhaust System:
A specially engineered high-efficiency silencer dramatically reduces exhaust noise, eliminating the sharp explosive sounds typical of conventional diesel generators.
- Optimized Airflow System:
Designed with a labyrinth-style fresh air intake and sound-damping air outlet, this system ensures smooth airflow for optimal cooling while minimizing turbulence noise.
- Anti-Vibration Mounting Design:
High-performance vibration isolators are installed between the engine and the base frame, preventing mechanical vibration transfer to the structure or ground—further lowering the noise footprint.
Whether used indoors or out, the Super Silent 200kW Cummins Generator delivers quiet, reliable, and energy-efficient power, fully aligned with modern standards for performance, comfort, and environmental impact.
Key Features
Ultra-Quiet Super Silent Canopy (≈70 dBA @ 7m)
- Multi-layer sound insulation and reinforced steel structure
- Designed for areas requiring low-noise operation
- Ideal for nighttime use and noise-sensitive applications
High-Performance Cummins Power
- Powered by the durable Cummins 6LTAA8.9-G2 engine
- Strong load acceptance and steady voltage output
- Low fuel consumption for reduced operational cost
Smart & Reliable Power Control
- Deepsea/Smartgen control module with AMF (Automatic Mains Failure)
- Supports remote monitoring and ATS automatic transfer
- Full safety protection: low oil pressure, high temp, overspeed, overload
Durable Build for Long-Term Use
- Anti-corrosion powder-coated canopy
- Maintenance-friendly design with wide access doors
- Heavy-duty base frame with integrated anti-vibration mounts
- Large fuel tank enabling 8 hours of continuous operation
Specification of Super Silent 200kW 250kVA Cummins Diesel Generator Set
| 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 |
70 |
| 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 |
DSE6120 |
| 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. |
Applications
This Super Silent 200kW 250kVA Diesel Generator with Cummins Engine is ideal for:
- Hospitals & Clinics – Silent backup power without disturbing patients
- Residential Complexes & Hotels – Quiet energy supply with low noise footprint
- Commercial Buildings & Shopping Centers – Stable power for HVAC and essential systems
- Industrial Facilities – Reliable performance for production lines and machinery
- Data Centers & Telecom Sites – Clean, stable power for sensitive equipment
- Government and Infrastructure Projects – Strong performance under demanding loads
Why Choose Hosem Power?
- All units are factory-assembled and load-tested
- Long-lasting build quality with international certifications (ISO9001 / CE)
- Fast spare parts availability and global after-sales support
- Customizable options: ATS, control systems, alternator brand, canopy color
- Proven reliability with thousands of installations worldwide
FAQ – Super Silent 200kW 250kVA Diesel Generator with Cummins Engine
Q1: Is the generator truly super silent?
Yes. The soundproof system is specially engineered to maintain approximately 70 dBA @ 7 meters, significantly quieter than standard diesel generators of similar capacity.
Q2: Can it run continuously for long hours?
Absolutely. With its efficient Cummins engine and large-capacity cooling system, it supports continuous operation for industrial and commercial use.
Q3: Does it support automatic start during power outages?
Yes. It can be paired with an ATS (Automatic Transfer Switch) for instant, unattended black-start capability.
Q4: What is the warranty?
Hosem Power provides 1 year 1,000 hours warranty, including free replacement parts for quality-related issues.
Q5: Is customization available?
Yes. Voltage, frequency (50Hz/60Hz), canopy color, alternator brand, and control system can all be customized based on project requirements.
Looking for a quiet, efficient, and durable generator for your home, office, or industrial project?
The Super Silent 200kW 250kVA Diesel Generator with Cummins Engine offers exceptional performance and long-term reliability—your dependable energy partner for every power need.
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