| Product Details | |
|---|---|
| Brand | Hosem |
| Model | A-SH22S |
| 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 | 200 Set / Month |
20kVA 16kW DG(Diesel Generator) Set with SDEC 4Z2.7-G11 Engine, 50Hz - Hosem Power
This 50Hz DG(Diesel Generator) Set is powered by reliable SDEC 4Z2.7-G11 inline 4-cylinder water-cooled engine, delivering 16kW prime power and 20kVA standby power. Developed on SDEC mature Z-series engine platform, this unit is purpose-built for light-duty standby power scenarios, balancing stable performance and low operating cost perfectly.
The 2.7L naturally aspirated engine adopts direct injection combustion design, featuring outstanding cold start performance even under low-temperature conditions. It runs smoothly with low vibration and moderate fuel consumption, suitable for long-time intermittent standby operation without frequent complex maintenance. The whole unit is assembled with strict quality inspection, complying with mainstream generator industry standards for stable and consistent power output.
Equipped with a dependable brushless alternator and complete protection control system, this genset monitors key operating parameters in real time. It can automatically trigger alarm and shutdown actions once abnormal conditions appear, effectively protecting the engine and alternator from damage caused by faulty operation. Multiple optional accessories are available to match different site layout, noise control and unattended power demands.
It serves as a cost-effective emergency power backup for small manufacturing workshops, farm irrigation facilities, remote telecom base stations, retail stores and residential compounds. When the mains supply fails unexpectedly, this compact SDEC genset can quickly kick in to restore power and keep essential equipment running normally.
Key Features
⚙️ Dependable SDEC Power Core
- SDEC 4Z2.7-G11 inline 4-cylinder, water-cooled naturally aspirated engine
- 2.7L displacement, direct injection combustion design
- Stable power output, low vibration and excellent cold start capability
- Mature mechanical structure, easy maintenance and readily available spare parts
🔌 Stable Power Output & Full Protection
- 50Hz 1500rpm, three-phase 400/230V output with 0.8 power factor
- Brushless alternator with low voltage distortion and high insulation grade
- Multi-protection: low oil pressure, high temperature, over-speed and overload alarm & auto shutdown
- Optional ATS for automatic mains failure startup for unattended use
🛡️ Compact Structure & Custom Versions
- Integrated heavy-duty base frame, optional built-in fuel tank for extended running hours
- Anti-corrosion galvanized steel plate and premium anti-rust paint coating
- Available in open type, silent canopy and trailer mounted version
- Small footprint, light weight, convenient for transportation and on-site installation

Prime 20kVA SDEC Diesel Generator Set
Generator Set Specification
| Model | A-SH22S | |
| Max. Power | kVA | 22.0 |
| kW | 17.6 | |
| Rate Power | kVA | 20.0 |
| kW | 16.0 | |
| Frequency | Hz | 50 |
| Rate Voltage | V | 400/230 |
| Rate Current | A | 28.9 |
| Dimension For Open-type Genset | mm | 1820 X 830 X 1000 |
| Weight For Open-type Genset | kg | 580 |
| Dimension For Soundproof Genset | mm | 2050 X 860 X 1100 |
| Weight For Soundproof Generator | kg | 780 |
| Noise Level at 7 Meters | dBA | 65 |
| Fuel Tank Capacity | Litres | 60 |
Engine Specification
| Engine Manufacturer | Shanghai Diesel Engine Co., Ltd. | |
| Engine Brand | SDEC | |
| Engine Model | 4Z2.7-G11 | |
| No. of Cylinder | 4 Cylinder in line | |
| Aspiration | Naturally Aspirated | |
| Governor | Mechanical | |
| Engine Max. Output Power | kW | 24 |
| Displacement | L | 2.700 |
| Starting Voltage | V | 12 |
| Bore | mm | 90 |
| Stroke | mm | 105 |
| Lubrication Oil Capacity | L | 6.5 |
| Compression Ratio | 17.3 : 1 | |
| Intake Air Flow | M3/Min | N.A. |
| Fuel Consumption at 100% Load | L/H | 5.9 |

Alternator Specification
| Alternator Manufacturer | Fuzhou Hosem Power Co., Ltd. | |
| Alternator Model | ASF 184ES | |
| Alternator Brand | Hosem | |
| Rate Output | kVA | 20 |
| Frequency | Hz | 50Hz |
| Current | A | 28.9 |
| Insulation | Class H | |
| Voltage Regulation | SX460 | |
| Protection Grade | IP23 | |
| Working Temperature without Output Decrease | ≤1000m | |
| Phase | 3 Phase | |
| Temperature Rise | 125 Degree Celsius | |
| 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 | 32 |
| Battery Charger | Smartgen Model BAC06A | |
| Emergency Stop Button | Supply | |
| Automatic Mains Fail (AMF) | Supply | |
| Fuel Level | Supply | |
| Automatic Transfer Switch | ATS as optional part | |
| Mains Monitor | Supply with AMF Function | |
| The control panel supply the full protection with Alarm and Shutdown of the diesel generator include High Temp, Low Oil Pressure, Over / Under Speed, Over Load, Start / Stop Fail, Under / Over Voltage etc. | ||
| Optional controller: Each model of Deepsea, Smartgen, ComAp brand controller. | ||

20kVA SDEC Diesel Generator Set with DSE6120 Controller
FAQ
Q1: What is the insulation class of the alternator on this SDEC genset?
A1: The alternator adopts H-grade insulation, which offers strong heat resistance and longer service life under continuous operation.
Q2: What kind of fuel is recommended for this 4Z2.7-G11 engine?
A2: Standard 0# light diesel is recommended, suitable for most regions under normal temperature conditions.
Q3: Can this generator work outdoors directly without silent canopy?
A3: The open type unit can be installed outdoors, but extra rain shelter is required to avoid rainwater damage.
Q4: Does the generator come with a warranty?
A4: 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)
