| Product Details | |
|---|---|
| Brand | Hosem |
| Model | A-C303S |
| Country of Origin | Fuzhou, China |
| Certificate | ISO9001, CE, SASO, SONCAP, ISO8528:5 |
| Payment & Shipping Terms | |
|---|---|
| Price Quote | According to customer's specific needs |
| Minimum Order | 1 Unit |
| Average Delivery Time | 30 Days |
| Payment Method | T/T,L/C |
| Package Details | Plastic Foam Package |
| Ability to Supply | 500 Set / Month |
220kW 275kVA Cummins Genset with 6LTAA9.5-G3 Engine, 50Hz Silent Type - Hosem Power
This 50Hz silent Cummins Genset is fitted with Cummins 6LTAA9.5-G3 engine, offering 220kW prime power for reliable emergency and continuous standby power. It is a practical power solution for factories, shopping malls, residential complexes and construction sites where stable power supply is required.
The soundproof canopy adopts galvanized steel sheet and premium anti-corrosion paint, resisting rust and weather erosion for long-term outdoor deployment.
It comes with a complete protection package and intelligent control, which can minimize downtime and protect the whole unit from various abnormal working conditions.
Key Features
⚙️ Stable Cummins Power Output
- Equipped with original Cummins 6LTAA9.5-G3 engine, excellent load acceptance and smooth running
- Mature engine structure, low fuel consumption and strong adaptability to different working conditions
- Global spare parts network, easy maintenance and fast after-sales support
🔇 Heavy-duty Soundproof & Weatherproof Canopy
- Integrated shock absorption and multi-layer sound insulation design to lower operating noise
- Galvanized sheet base with high-quality spraying finish, rainproof and anti-corrosion
- Compact silent enclosure design, suitable for noise-restricted outdoor installation areas
🛡️ Intelligent Control & Multi-protection System
- Digital controller supports real-time monitoring of voltage, current, temperature and oil pressure
- Automatic fault alarm and shutdown against over-speed, high temperature, low oil pressure
- Optional AMF function, auto start when mains power fails for unattended backup power

Generator Set Specification
| Model | A-C303S | |
| Max. Power | kVA | 303 |
| kW | 242.4 | |
| Rate Power | kVA | 275 |
| kW | 220 | |
| Frequency | Hz | 50 |
| Rate Voltage | V | 400/230 |
| Rate Current | A | 396.9 |
| Fuel Tank Capacity | L | 400 |
| Dimension For Open-type Genset | mm | 2850 X 970 X 1630 |
| Weight For Open-type Genset | kg | 1750 |
| Dimension For Soundproof Genset | mm | 3500 X 1120 X 1700 |
| Weight For Soundproof Generator | kg | 2500 |
| Noise Level for Soundproof Generator at 7M | dBA | 80 |
Engine Specification
| Engine Manufacturer | Chongqing Cummins Engine Co., Ltd. | |
| Engine Brand | Cummins | |
| Engine Model | 6LTAA9.5-G3 | |
| No. of Cylinder | 6 Cylinder in line | |
| Aspiration | Turbocharged and Air to Air Aftercooled | |
| Governor | Electric | |
| Engine Max. Output Power | kW | 280 |
| Displacement | L | 9.5 |
| 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 | 58 |
Alternator Specification
| Alternator Manufacturer | Cummins Generator Technologies | |
| Alternator Model | HCI 444 D | |
| Alternator Brand | Stamford | |
| Rate Output | kVA | 300 |
| 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 | SX460 | |
| 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) | 100 | |
| 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. | ||
FAQ
Q1: What kind of cooling system does this generator use?
A1: It adopts closed water cooling system, suitable for long-hour continuous operation under high load.
Q2: What is the maximum altitude this unit can operate at without power derating?
A2: Stable performance is guaranteed below 1000m above sea level. Power derating will be required for higher altitude.
Q3: Does the generator come with a warranty?
A3: Yes, the Hosem Diesel Generator comes with a standard 1-year warranty or 1000 hours of operation, whichever comes first. Extended warranty options are available upon request.

Factory Address
Shangang Industrial Area, Lianjiang Town, Fuzhou City, Fujian, China.

Request A Quote
Skype : +86-15959182792
WeChat : +86-15959182792
WhatsApp : +86-15959182792
Email : edward@hosempower.com

Contact Us
Telephone : 86-5918-6397381
Business Phone : 86-1595-9182792
Work Time :8:30-18:00(Beijing time)
