Open frame diesel generators are robust and versatile power solutions widely used in various industries. These generators feature a sturdy frame structure that provides excellent protection and support for the internal components. With their powerful diesel engines, they offer reliable and efficient power generation for both standby and prime applications. The open frame design allows for easy access to the engine and other parts, simplifying maintenance and servicing. These generators are commonly employed in construction sites, remote locations, and as backup power sources, ensuring uninterrupted electricity supply even in challenging environments.
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500 kW
Prime power
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550 kW
Standby power
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380/220 V
Rated voltage
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2006+
Manufacturer since
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500 kW prime / 550 kW standby — 625 kVA — built as a open frame set package for mid-size industrial and site power.
The Outevo 500 kW Open Frame Diesel Generator Set is used for production lines and compressors, hotels and commercial buildings, data and telecom rooms, typically continuous prime duty with regular load swings. Loads are normally panel boards with mixed motor and lighting loads.
Every unit is assembled and load-tested on our own production line for the 500 kW classs. Shanghai Outevo Machinery Co., Ltd. has manufactured diesel and gas sets including this 500 kW rating generator sets since 2006 from a 20,000 m² production base in Shandong with a fully automatic line, and more than 2,000 sets have been delivered to over 100 countries.
Protection on the 500 kW set is IP23 or higher, upgradable for dusty, humid, rainy or high-temperature sites.
The engine, alternator and control system are mounted on a rigid fabricated steel base frame with integrated anti-vibration mounts. The open layout keeps every service point reachable, so inspection, filter changes and fault finding need no panel removal.
Rated 500 kW prime and 550 kW standby at 380/220 V, 50 Hz, 1500 rpm. The 500 kW set is sized for continuous prime duty with regular load swings, feeding panel boards with mixed motor and lighting loads.
For the 500 kW rating, diesel engines are drawn from Cummins, Perkins, Weichai and Yuchai platforms and matched to the alternator; coupling, alignment and full-load testing happen in our own works.
A closed intelligent water-cooling system with forced fan and large-capacity water tank holds the 500 kW set at stable temperature through high ambient and long continuous cycles.
Sealed dustproof, waterproof and anti-corrosion treatment brings the 500 kW set to IP23 or higher, upgradable for demanding environments; it keeps running in dust, rain, snow and temperature extremes.
On the 500 kW set, an optional automatic transfer switch, remote monitoring module, cable winch and quick connectors simplify site wiring and start-stop; mounting, control, protection and voltage settings follow the project specification.
Standard open frame set configuration at 500 kW prime / 550 kW standby (625 kVA). Ratings, voltage and frequency are confirmed at specification.
Engine platformCummins · Perkins · Weichai · YuchaiDiesel engines on the 500 kW set are selected from these Tier-1 platforms and matched to the alternator; the platform for your order is confirmed at order stage. |
Control & protectionATS & remote monitoringOn the 500 kW set, an optional automatic transfer switch for automatic standby start, plus an optional remote monitoring module. The control and protection scheme on the 500 kW set is set to your project specification. |
Build configurationOpen frame standardOpen frame standard |
1. Production linesThe 500 kW open frame diesel generator set set suits production lines and compressors. Duty is continuous prime duty with regular load swings. Mixed motor and lighting load means the alternator is matched with step-load margin at 500 kW. |
2. HotelsHotels and commercial buildings is a standard application for the 500 kW unit, which runs at continuous prime duty with regular load swings. Shift patterns for the 500 kW set usually mean 12–16 hours a day, so fuel autonomy is calculated on that basis. |
3. DataThe 500 kW set is commonly applied to data and telecom rooms at continuous prime duty with regular load swings. Compressor and motor starts drive the transient requirement, which is checked against the 500 kW rating. |
4. QuarriesFor quarries and crushing plants the 500 kW rating covers mid-size industrial and site power at continuous prime duty with regular load swings. Parallel operation on the 500 kW set is often considered where duty is split between two units. |
5. Agricultural processingWhere agricultural processing is the load, the 500 kW rating is normally specified at continuous prime duty with regular load swings. Sound limits at the boundary usually point to a canopy build at the 500 kW rating. |
6. Site officesThe 500 kW open frame diesel generator set set suits site offices and welfare blocks. Duty is continuous prime duty with regular load swings. Cable runs for the 500 kW set are longer, so voltage drop is checked before the final rating is fixed. |
The same engineering and testing standard applies to this 500 kW rating in all three builds — the difference is enclosure, access and transport.
| This model · 500 kW open frame diesel generator set |
| Range · 10–3,750 kVA |
| Diesel & gas |
| Open frame · silent · containerized · mobile |
| All open frame sets |
Send us the required power for the 500 kW set, voltage and frequency and we will return a configuration.
Tell us the rating, voltage and frequency you need for the 500 kW unit and where it is going. Our engineering team returns a configuration and quotation.
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