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Power & Energy · Single machine
500 kVA Heavy-Duty Low-Noise Diesel Generator
A 500 kVA water-cooled diesel generator for continuous commercial use, with automatic start, AVR protection and a choice of canopy or container.
- Model
- MM-DG500F
- Product group
- Diesel Generators & Light Towers
- Rated power
- 500 kVA
- Frequency
- 50 / 60 Hz
- 500 kVA rating
- Water-cooled diesel engine
- 50 or 60 Hz, 1500 or 1800 RPM
- Silent, open, trailer or container
Overview
Large standby and prime power
A 500 kVA set is the size for a plant or a large building. Water cooling, a 24 V electric start and automatic voltage regulation are fitted. It is intended for continuous commercial use, for example as the main supply where the grid is weak.
Voltage and frequency
The table of voltages runs from 220 V to 440 V, so the same model serves most export markets. It runs at 1500 RPM for 50 Hz and 1800 RPM for 60 Hz. Three phase, four wire is the standard output.
Housing options
Choose from trailer, silent, super silent, open frame or container type. A container housing is popular for projects because it protects the set outdoors, carries lighting and can be moved with a crane. The color and your logo can be applied to order.
Engine and alternator
Engine and alternator models are chosen for a service network in the destination country. Choose carefully: in remote areas, spare parts availability matters as much as rated power.
Why choose it
Pick it when your load is large, you need long running hours, and noise matters. If your load is smaller, our 180 kVA mobile set or 250 kVA range might be a better fit.
Options
Voltage, frequency, housing type, duty class and parallel operation with other sets can be specified. The set is tested under load in our factory before shipment.
When 500 kVA is the right step up
The 500 kVA set is the largest in this group and the one where site planning becomes as important as the machine. A set of this size is moved by crane or heavy forklift, needs a flat plinth, an exhaust route, ventilation for the radiator and an access path for service. Next to the 180 kVA trailer set, it is intended to stay in one place, whether that is a factory, a mall, a hospital or a large construction site.
Where smaller sets are usually bought singly, 500 kVA sets are often paired: two units in parallel give redundancy and let one machine be serviced while the other carries the load. The three-phase four-wire output suits standard commercial distribution boards. Because ambient temperature affects output, we ask for site altitude and maximum temperature; at high altitude or in hot climates the engine may need derating. A container housing is normally chosen when the set will stand outdoors without a building.
Specifications
| Model | MM-DG500F |
|---|---|
| Rated power | 500 kVA |
| Frequency | 50 / 60 Hz |
| Cooling system | Water cooling |
| Protection | Automatic voltage regulation (AVR) |
| Starting system | 24 V DC electric start |
| Starting type | Auto start |
| Phase | 3 phase 4 wire |
| Engine | Diesel engine |
| Alternator | Brand per order |
| Usable output at 0.8 power factor | about 400 kW |
| Engine layout | 6-cylinder or V12 turbocharged, intercooled diesel |
| Fuel use at 75 % load | about 70–85 L/h |
| Weight of open set | about 4,000–5,500 kg |
| Weight of silent canopy set | about 5,500–7,500 kg |
| Sound level at 7 m, silent canopy | about 70–78 dB(A) |
| Service interval | oil and filters every 250–500 running hours |
Configurations
| Rated voltage | 440 / 415 / 400 / 380 / 240 / 230 / 220 V |
|---|---|
| Speed | 1500 / 1800 RPM |
| Types | Trailer / silent / super silent / open frame / container |
| Custom | Color and logo to order |
Standard equipment
- Water-cooled turbocharged diesel engine
- Brushless alternator with AVR
- Digital controller with remote communication port
- Heavy base frame with anti-vibration mounts
- Starter batteries, charger and cables
- Main circuit breaker
- Radiator and fan on the base
Options
- Soundproof canopy or 40 ft container housing
- Automatic transfer switch panel
- Parallel synchronizing panel
- Day tank or large base tank with level alarm
- Jacket water heater
- Exhaust silencer upgrade
- Logo and special paint
Frequently asked questions
Can I get a container version?
Yes. Container is a listed type. Dimensions depend on the container size selected.
Can I add my logo?
Yes. Color and logo are applied to your requirement.
Does it need an ATS?
For mains-failure standby it does. We can supply the transfer switch and panel.
Can two 500 kVA sets be paralleled?
Yes. Order both with the synchronizing controller and load-sharing function so they share load automatically. Ask for it when you order so alternators and controllers are matched.

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