| Product Details | |
|---|---|
| Brand | Hosem |
| Model | A-C275 |
| 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 |
Emergency Diesel Generator 50Hz 275kVA Cummins Open Type with NT855-GA Engine - Hosem Power
This 50Hz 275kVA open-type emergency diesel generator is powered by the classic Cummins NT855-GA engine, engineered for instant, dependable backup power the moment grid power fails. It delivers consistent three-phase power to safeguard your critical equipment against unexpected power outages and costly downtime.
The time-tested NT855-GA 6-cylinder turbocharged engine adopts the mature PT fuel system, boasting fast load pickup, steady fuel consumption and outstanding durability under long-hour continuous running. Supported by Cummins global spare parts network, you can get quick parts supply and local after-sales service nearly everywhere in the world.
This open-frame genset offers great flexibility for your power project. All core components are fully exposed for simple inspection and servicing. You can select intelligent controllers, ATS automatic transfer switches, or add a silent canopy/container enclosure later to match your site noise and space requirements.
Key Features
Power Core & Electrical Performance
- Classic Cummins NT855-GA engine, field-proven reliability and strong load acceptance
- Premium brushless alternator, stable voltage output and ultra-low harmonic distortion
- Optional smart control module, AMF auto-start and real-time running data display
- Smooth power delivery, effectively protecting sensitive devices from power surges
Base Frame & Superior Craftsmanship
- Heavy galvanized base frame with premium anti-corrosion paint finish, rust & weather resistant
- High-performance vibration isolators, minimize shaking and extend unit lifespan
- Open layout design, fast inspection, convenient repair and hassle-free routine maintenance
- Flexible upgradeable design, easily retrofitted with silent canopy or container housing
- Compact base structure, simple loading, transportation and on-site installation
Emergency Protection & Commercial Value
- Multi-layer safety protection: low oil pressure, high temperature, over-speed alarm & auto-shutdown
- Low fuel consumption design, cuts your long-term running operation cost
- Low failure rate, reduces unexpected shutdown risks and production losses
- Reliable emergency backup power for hospitals, construction sites, factories and commercial buildings

Generator Set Specification
| Model | A-C275 | |||||||
| Standby Power (ESP) | kVA | 275.0 | ||||||
| kW | 220.0 | |||||||
| Prime Power (PRP) | kVA | 250.0 | ||||||
| kW | 200.0 | |||||||
| Mechanical Structure | Open-type | |||||||
| Engine Brand | Cummins | |||||||
| Engine Model | NT855-GA | |||||||
| Alternator Brand | Hosem | |||||||
| Alternator Model | ASF274K | |||||||
| Controller | Smartgen HGM6120N | |||||||
| Measure (L x W x H) | mm | 3000 X 1115 X 1880 | ||||||
| Empty Weight | kg | 2950 | ||||||
| Fuel Tank | L | 400 | ||||||
Engine Specification
| Engine Manufacturer | Chongqing Cummins Engine Co., Ltd. | |
| Engine Brand | Cummins | |
| Engine Model | NT855-GA | |
| No. of Cylinder | 6Cylinder in line | |
| Governor | Electric | |
| Engine Max. Output Power | kW | 254 |
| Engine Capacity | L | 14 |
| Starting Voltage | V | 24 |
| Bore | mm | 140 |
| Stroke | mm | 152 |
| Lubrication Oil Capacity | L | 36 |
Alternator Specification
| Alternator Manufacturer | Cummins Generator Technologies | |
| Alternator Brand | Hosem | |
| Alternator Model | ASF274K | |
| Rate Output Power | kVA | 250 |
| Frequency | Hz | 50Hz |
| Altitude | M | ≤1000 |
| Insulation |
Class H |
|
| Voltage Regulation | AVR Model SX460 | |
| Protection Grade | IP23 | |
| Alternator for optional | Leroy Somer, Marathon, Mecc Alte and Hosem Brushless alternator for optional | |
Control Panel Specification
| Controller Brand | Smartgen | |
| Controller Model | HGM6120 | |
| 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: Is custom voltage available for this unit?
A1: 380/400V three-phase is standard, other voltage options can be customized.
Q2: Does the generator come with a warranty?
A2: 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.
Q3: Can I select different alternator brands for this unit?
A3: Multiple alternator options are available, we can arrange according to your requirement.

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)
