The Compact 40kVA SDEC Diesel Generator Set is engineered to provide reliable and stable power for offices, retail stores, small commercial buildings, and emergency backup applications. Powered by a dependable SDEC diesel engine, this generator combines compact dimensions with outstanding performance, making it an ideal solution for businesses that require uninterrupted electricity while maximizing installation space.
Designed with a premium alternator and an intelligent digital control system, the generator delivers consistent voltage and frequency, ensuring safe operation for sensitive electrical equipment. Its compact structure, durable construction, and low maintenance requirements make it a cost-effective choice for both standby and light-duty prime power applications.
A compact 40kVA diesel generator offers good balance of power capacity and installation flexibility. It is suitable for businesses that need dependable backup electricity without occupying excessive floor space. The proven SDEC engine delivers reliable performance and reduced operating costs, while the generator's robust design ensures long-term durability in demanding environments.
| Generator Set Specification | ||
| Model | A-SH44S | |
| Max. Power | kVA | 44.0 |
| kW | 35.2 | |
| Rate Power | kVA | 40.0 |
| kW | 32.0 | |
| Frequency | Hz | 50 |
| Rate Voltage | V | 400/230 |
| Rate Current | A | 57.7 |
| Dimension For Open-type Genset | mm | 1820 X 830 X 1350 |
| Weight For Open-type Genset | kg | 1000 |
| Dimension For Soundproof Genset | mm | 2500 X 960 X 1450 |
| Weight For Soundproof Generator | kg | 1180 |
| Noise Level at 7 Meters | dBA | 75 |
| Fuel Tank Capacity | Liters | 200 |
| Battery | One of Free Maintenance Battery | |
| Engine Specification | ||
| Engine Manufacturer | Shanghai Diesel Engine Co., Ltd. | |
| Engine Brand | SDEC | |
| Engine Model | 4ZT3.2-G21 | |
| No. of Cylinder | 4 Cylinder in line | |
| Aspiration | Turbocharged | |
| Governor | Mechanical | |
| Engine Max. Output Power | kW | 43 |
| Displacement | L | 3.200 |
| Starting Voltage | V | 12 |
| Bore | mm | 98 |
| Stroke | mm | 105 |
| Lubrication Oil Capacity | L | 8-10 |
| Compression Ratio | 18 : 1 | |
| Intake Air Flow | M3/Min | 4.1 |
| Fuel Consumption at 100% Load | L/H | 8.3 |

| Alternator Specification | ||
| Alternator Manufacturer | Fuzhou Hosem Power Co., Ltd. | |
| Alternator Model | ASF 184 J | |
| Alternator Brand | Hosem | |
| Rate Output | kVA | 40 |
| Frequency | Hz | 50Hz |
| Current | A | 57.7 |
| 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 | Smartgen | |
| Controller Model | HGM6120 | |
| Breaker Brand | Delixi | |
| Breaker Capacity | A | 63 |
| 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 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. | ||

Provides stable performance and dependable operation for long-term use.
Ideal for offices, commercial buildings, equipment rooms, and locations with limited installation space.
Ensures reliable voltage and frequency for lighting systems, HVAC equipment, computers, refrigeration units, and business machinery.
Designed to perform reliably under continuous commercial use and challenging operating conditions.
Convenient maintenance access minimizes downtime and reduces service costs.
Available with soundproof canopy, ATS (Automatic Transfer Switch), trailer-mounted design, remote monitoring, and customized electrical specifications.
The Compact 40kVA SDEC Diesel Generator Set is widely used in offices, retail stores, supermarkets, restaurants, clinics, schools, warehouses, and other commercial facilities where uninterrupted power is essential. During unexpected utility outages, it provides dependable backup electricity for lighting, air conditioning, computer systems, surveillance equipment, communication devices, and refrigeration units, helping businesses continue normal operations without costly interruptions.
This generator is also suitable for small factories, workshops, farms, and construction sites that require reliable three-phase power for equipment, pumps, compressors, and portable machinery. In remote locations or areas with unstable electrical infrastructure, it can operate as a primary power source to support daily operations. Thanks to its compact footprint and efficient SDEC engine, the generator is easy to install, economical to operate, and well suited for businesses seeking a reliable long-term power solution with low maintenance requirements.
Q1: What applications is a 40kVA diesel generator suitable for?
A: It is ideal for offices, retail stores, restaurants, clinics, schools, warehouses, workshops, small factories, and emergency backup power applications.
Q2: Can this generator power three-phase commercial equipment?
A: Yes. The generator provides stable three-phase electricity for HVAC systems, pumps, compressors, refrigeration units, and other commercial or industrial equipment.
Q3: Is the generator suitable for emergency backup power?
A: Yes. It is designed to provide reliable standby power during utility outages, helping businesses maintain essential operations.
Q4: Can an ATS be installed?
A: Yes. An optional Automatic Transfer Switch (ATS) enables the generator to start automatically and transfer the electrical load whenever the main power supply fails.
Q5: What customization options are available?
A: We offer soundproof enclosures, ATS systems, remote monitoring, trailer-mounted versions, larger fuel tanks, and customized voltage or frequency configurations to meet different project requirements.