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| Categories | Cummins Generator Set |
|---|---|
| Brand Name: | Hosem |
| Model Number: | A-C55S |
| Certification: | CE/ ISO |
| Place of Origin: | China |
| MOQ: | 1 SET |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 1000 Set / Months |
| Delivery Time: | 30 days |
| Packaging Details: | Plastic films or ply-wood |
| Model: | A-C55S |
| Max. Power: | 44kW / 55kVA |
| Engine Brand: | Cummins |
| Rate Power: | 40kW / 50kVA |
| Engine Model: | 4BTA3.9-G2 |
| Rate Voltage: | 400/230V |
| Alternator Brand: | Hosem |
| Rate Current: | 72.2A |
| Alternator Model: | ASF224D |
| Frequency: | 50 Hz |
| Company Info. |
| Fuzhou Hosem Power Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
The Soundproof 40kW 50kVA Diesel Generator Powered by Reliable Cummins Engine delivers stable, fuel-efficient, and low-noise power for both residential and commercial applications.
Powered by a genuine Cummins 4BTA3.9-G2 diesel engine, this generator offers 40kW (50kVA) prime power and 44kW (55kVA) standby power, making it the perfect solution for reliable energy supply in offices, factories, schools, or backup systems during power outages.
Built with precision engineering and a heavy-duty soundproof canopy, this Cummins diesel generator ensures quiet operation and extended durability, providing dependable performance even in harsh working conditions.
| Generator Set Specification | ||
| Model | A-C55S | |
| Max. Power | kVA | 55 |
| kW | 44 | |
| Rate Power | kVA | 50 |
| kW | 40 | |
| Frequency | Hz | 50 |
| Rate Voltage | V | 400/230 |
| Rate Current | A | 72.2 |
| Fuel Tank Capacity | L | 120 |
| Dimension For Open-type Genset | mm | 1880 X 830 X 1350 |
| Weight For Open-type Genset | kg | 755 |
| Dimension For Soundproof Genset | mm | 2300 X 900 X 1250 |
| Weight For Soundproof Generator | kg | 1005 |
| Noise Level for Soundproof Generator at 7M | dBA | 72 |
| Battery | Two of Free Maintenance Battery | |
| Engine Specification | ||
| Engine Manufacturer | Dongfeng Cummins Engine Co., Ltd. | |
| Engine Brand | Cummins | |
| Engine Model | 4BTA3.9-G2 | |
| No. of Cylinder | 4 Cylinder in line | |
| Aspiration | Turbocharged & Aftercooled | |
| Governor | Electric | |
| Engine Max. Output Power | kW | 55 |
| Displacement | L | 3.9 |
| Compression Ratio | 17.3 : 1 | |
| Starting Voltage | V | 24 |
| Bore | mm | 102 |
| Stroke | mm | 120 |
| Lubrication Oil Capacity | L | 11 |
| Intake Air Flow | M3/Min | 4.13 |
| Fuel Consumption at 100% Load | L/H | 15 |
| Alternator Specification | ||
| Alternator Manufacturer | Fuzhou Hosem Power Co., Ltd. | |
| Alternator Model | ASF224D | |
| Alternator Brand | Hosem | |
| Rate Output | kVA | 50 |
| 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) | 80 | |
| 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. | ||
The 40kW 50kVA Cummins Diesel Generator is ideal for a wide range of power applications, including:
Q1: What are the essential foundation and clearance requirements for installing this generator?
A1: Before installation, ensure the generator room has a solid 200 mm thick concrete slab on compacted ground. Maintain at least 1 meter of clearance around the generator for ventilation and maintenance. The radiator side must have appropriate ventilation windows sized according to the radiator core area.
Q2: What ventilation and ambient temperature conditions should I ensure?
A2: Adequate ventilation is critical — the room should allow free airflow with the outlet area 1.2 – 1.5 times the radiator’s effective surface. Ambient temperature should not exceed 40°C to avoid derating and ensure efficiency for the generator set.
Q3: What checks should be done before the generator is loaded for the first time?
A3: After mechanical installation and wiring, perform a no-load test: switch to “Manual”, start the unit, observe voltage, frequency, and oil pressure. Confirm everything is within spec before connecting to full load.
Looking for a quiet, efficient, and durable diesel generator for your business or home?
The Soundproof 40kW 50kVA Diesel Generator Powered by Reliable Cummins Engine delivers dependable power, low fuel costs, and long service life—your ideal energy solution for any environment.
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