25kVA Stable and Soundproof Isuzu Diesel Generator
A-I28S
Standby Power: 28/22 (KVA/KW)
Prime Power: 25/20 (KVA/KW)
Engine Model: JE493DB-04
Engine Speed: 1500 RPM
Alternator Model: ASF184FS
Starting System: Electric
Cylinder: 4 Cylinder in line
Fuel Type: Diesel
Dimension:2050 * 860 * 1100(L x W x H)
Weight: 920kg
minimum order: 1 unit
Supply Ability: 500 units / Month
Country of Origin: China
Stock Time: 30-35 Days
Prime Power: 25/20 (KVA/KW)
Engine Model: JE493DB-04
Engine Speed: 1500 RPM
Alternator Model: ASF184FS
Starting System: Electric
Cylinder: 4 Cylinder in line
Fuel Type: Diesel
Dimension:2050 * 860 * 1100(L x W x H)
Weight: 920kg
minimum order: 1 unit
Supply Ability: 500 units / Month
Country of Origin: China
Stock Time: 30-35 Days
Quantity
Product Description
This compact 20kW (25kVA) Isuzu diesel generator (Model A-I28S) features a reliable naturally aspirated Isuzu engine paired with a Hosem alternator, delivering stable 400/230V three-phase power at just 70dBA noise level. Equipped with a Smartgen controller for full protection, it’s ideal for small-scale backup and residential power needs.
Generator Set Specification：
| Model | A-I28S | |
| Max. Power | kVA | 28 |
| kW | 22.4 | |
| Rate Power | kVA | 25 |
| kW | 20 | |
| Frequency | Hz | 50 |
| Rate Voltage | V | 400/230 |
| Rate Current | A | 36.1 |
| Fuel Tank Capacity | L | 60 |
| Dimension For Open-type Genset | mm | 1370 X 680 X 1350 |
| Weight For Open-type Genset | kg | 570 |
| Dimension For Soundproof Genset | mm | 2050 X 860 X 1100 |
| Weight For Soundproof Generator | kg | 920 |
| Noise Level for Soundproof Generator at 7M | dBA | 70 |
| Battery | One of Free Maintenance Battery | |
Engine Specification：
| Engine Manufacturer | Isuzu Engine Co., Ltd. | |
| Engine Brand | Isuzu | |
| Engine Model | JE493DB-04 | |
| No. of Cylinder | 4 Cylinder in line | |
| Aspiration | Naturally Aspirated | |
| Governor | Mechanical | |
| Engine Max. Output Power | kW | 27 |
| Displacement | L | 2.8 |
| Compression Ratio | 18.2 : 1 | |
| Starting Voltage | V | 12 |
| Bore | mm | 93 |
| Stroke | mm | 102 |
| Lubrication Oil Capacity | L | 5.6 |
| Intake Air Flow | M3/Min | 18.2 |
| Fuel Consumption at 100% Load | L/H | 7.189156627 |
Alternator Specification：
| Alternator Manufacturer | Fuzhou Hosem Power Co., Ltd. | |
| Alternator Model | ASF184FS | |
| Alternator Brand | Hosem | |
| Rate Output | kVA | 25 |
| 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 | Smartgen | |
| Controller Model | HGM6120N | |
| 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 | |
| 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. | ||
Generator Details:
FQA：
Q1: What are the key application scenarios for your 25kVA Isuzu diesel generator with soundproof canopy?
A: This compact yet robust Isuzu genset is ideal for small commercial facilities, residential backup power, light construction sites, and remote residential or small-scale project locations. It delivers stable, uninterrupted power for critical equipment in both indoor and outdoor environments, including small shops, home backup systems, and temporary worksites.
Q2: Which engine model powers this 25kVA unit, and what makes it ideal for long-term reliable operation?
A: It is equipped with the genuine Isuzu JE493DB-04 engine – a 4-cylinder in-line naturally aspirated design. With low fuel consumption (7.2L/h at full load), excellent corrosion resistance, and proven durability, it ensures consistent power output even in variable operating conditions, making it perfect for continuous or backup use over extended periods.
Q3: What noise level does the soundproof Isuzu generator achieve, and where is it best suited?
A: Our soundproof canopy design reduces noise to 70 dBA at 7 meters, making this quiet Isuzu diesel generator suitable for noise-sensitive environments like residential areas, small offices, schools, and healthcare clinics, where low-noise operation is essential.
Q4: What optional features can we add to this 25kVA soundproof Isuzu generator set?
A: Optional configurations include ATS (automatic transfer switch), remote monitoring system, extended fuel tank, DeepSea controller, brushless alternator upgrade, and enhanced IP protection, allowing you to tailor the unit to meet your specific power and operational needs.
Q5: Can we customize this Isuzu diesel generator to fit our project requirements?
A: Our technical team can fully customize the unit to your specifications, including open/soundproof type selection, alternator brand options, control panel upgrades, exterior color choices, and other functional modifications tailored to your project’s unique demands.
