Send Message

Commercial Building Diesel Emergency Generator 400kva 500kva 625kva Standby Power Generation

Commercial Building Diesel Emergency Generator 400kva 500kva 625kva Standby Power Generation
Features Gallery Product Description Request A Quote
Controller: Smartgen/Deepsea/ComAp
Cooling System: Closed Water Cooling
Frequency: 50/60Hz
Fuel Type: Diesel
Product Name: Emergency Diesel Generator
Rated Power: 400kVA 500kVA 625kVA
Rated Voltage: 400/230V
Speed: 1500/1800rpm
Starting System: Electric
Warranty: 1 Year Or 1000 Hours
High Light:

commercial building diesel emergency generator


400kva diesel emergency generator


500kva diesel generator backup power

Basic Infomation
Place of Origin: CHINA
Brand Name: Hosem
Certification: CE/ISO9001
Model Number: A-SH550
Payment & Shipping Terms
Packaging Details: ply-wood or plastic film
Delivery Time: 30 days
Payment Terms: L/C, T/T
Supply Ability: 500 unit per month
Product Description

Emergency Generator For Commercial Building 400kVA 500kVA 625kVA Standby Power Generation


Reliable Emergency Power for Commercial Buildings

Ensure uninterrupted operations in your commercial establishment with our range of robust emergency generators. Designed specifically for commercial buildings, these generators offer standby power solutions ranging from 400kVA, 500kVA to 625kVA, guaranteeing seamless functionality during unexpected power outages.


Key Features:

1. High Power Output: With a power output range from 400kVA to 625kVA, our emergency generators provide substantial power to sustain your critical operations during unforeseen blackouts. The generator adopt the SDEC brand engine as power, SDEC engines are known for their robustness and superior performance across various application.


2. Reliability and Durability: Built to endure prolonged usage and harsh conditions, these generators boast robust construction and advanced engineering, ensuring durability and reliability when you need it the most.


3. Automatic Standby Power: Equipped with advanced automatic systems, these generators seamlessly switch on in the event of a power outage, keeping your business operational without any interruption.


4. Scalability and Flexibility: Our range includes generators of varying capacities to suit the unique power needs of your commercial building. From smaller office spaces to larger corporate complexes, we have scalable solutions for all.


5. Fuel Efficiency: Engineered for optimal fuel consumption, these generators offer cost-effective power backup without compromising on performance or reliability.


6. Compliance and Safety: Meeting industry standards and regulations, our generators prioritize safety and compliance, ensuring peace of mind during emergencies.



Ideal for office buildings, shopping malls, data centers, hospitals, hotels, and other commercial establishments, our emergency generators provide the critical power required to maintain essential operations during unexpected power failures.

Why Choose Us:

Backed by years of expertise and a commitment to quality, our emergency generators are trusted by numerous businesses to safeguard against power interruptions and minimize downtime.

Contact us today to explore our range of emergency generators and discover the perfect power backup solution for your commercial building.


Generator Set Specification
Model A-SH550
Max. Power kVA 550.0
kW 440.0
Rate Power kVA 500.0
kW 400.0
Frequency Hz 50
Rate Voltage V 400/230
Rate Current A 721.7
Dimension For Open-type Genset mm 3600 X 1800 X 2150
Weight For Open-type Genset kg 4250
Dimension For Soundproof Genset mm 4700 X 1900 X 2300
Weight For Soundproof Generator kg 5400
Noise Level at 7 Meters dBA 78
Fuel Tank Capacity Litres 500
Battery Two of 200A Free Maintenance Battery



Engine Specification
Engine Manufacturer Shanghai Diesel Engine Co., Ltd.
Engine Brand SDEC
Engine Model SC25G690D2
No. of Cylinder 12 Cylinder V Ttyp
Aspiration Turbocharged and Air to Air Aftercooled
Governor Electric
Engine Max. Output Power kW 505
Displacement L 25.800
Starting Voltage V 24
Bore mm 135
Stroke mm 150
Lubrication Oil Capacity L 65
Compression Ratio 16:01
Intake Air Flow M3/Min 2×18.8
Fuel Consumption at 100% Load L/H



Alternator Specification
Alternator Manufacturer Fuzhou Hosem Power Co., Ltd.
Alternator Model ASF354C
Alternator Brand Hosem
Rate Output kVA 500
Frequency Hz 50Hz
Current A 721.7
Insulation Class H
Voltage Regulation SX440
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


Commercial Building Diesel Emergency Generator 400kva 500kva 625kva Standby Power Generation 0


Commercial Building Diesel Emergency Generator 400kva 500kva 625kva Standby Power Generation 1




1. What is an emergency generator?

   An emergency generator, also known as a backup generator, is a device that provides electrical power during a grid outage or power failure. It ensures continuous electricity supply to critical systems and appliances, keeping operations running smoothly during emergencies.


2. How does an emergency generator work?

   Emergency generators operate using an internal combustion engine that generates electricity. When the primary power source fails, the generator automatically starts and transfers power to the connected circuits, providing electricity until the primary power is restored.


3. What types of fuel do emergency generators use?

   Emergency generators typically run on various fuels such as diesel, natural gas, propane, or gasoline. The choice of fuel depends on factors like availability, cost, and the generator's intended use.


4. What are the key applications of emergency generators?

   Emergency generators are crucial for various applications, including hospitals, data centers, commercial buildings, manufacturing facilities, residential complexes, and critical infrastructure, ensuring uninterrupted power supply during blackouts.


5. How are emergency generators sized?

   Generator sizing depends on the total electrical load it needs to support during an outage. A professional assessment of power requirements helps determine the generator's capacity needed to sustain critical systems and appliances.


6. Why is regular maintenance important for emergency generators?

   Regular maintenance ensures the reliable performance of emergency generators. It includes periodic checks, servicing, and testing to identify and address any potential issues before an emergency occurs.


7. What safety precautions should be taken while using an emergency generator?

   Proper installation, ventilation, and compliance with safety codes are crucial. Generators must be placed in well-ventilated areas to prevent carbon monoxide buildup. Additionally, they should be operated and maintained according to manufacturer guidelines.


8. Can an emergency generator be used as the primary power source?

   Emergency generators are specifically designed for backup power and aren't intended for continuous, primary power supply. Using them as a primary power source can lead to premature wear and may not meet long-term energy needs.


9. How long can an emergency generator run continuously?

   The runtime of a generator depends on factors such as fuel capacity, load demand, and maintenance. Most generators can run continuously for hours to days if adequately fueled and maintained.


10. Do emergency generators require professional installation?

    Yes, professional installation by qualified technicians is recommended to ensure proper setup, compliance with local regulations, and safe operation of emergency generators.






Recommended Products
Get in touch with us
Contact Person : Jack Zheng
Tel : 86-15959182792
Fax : 86-591-86397381
Characters Remaining(20/3000)